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Adapter",{"type":606,"value":607,"toc":2898},"minimark",[608,619,654,704,708,711,754,757,764,1554,1557,1562,1650,1654,1657,1678,1681,1846,1850,1853,1857,1860,1890,1907,1916,1967,1990,1999,2003,2010,2081,2113,2132,2136,2210,2215,2219,2231,2234,2332,2335,2339,2344,2366,2381,2396,2411,2415,2418,2612,2615,2619,2622,2681,2691,2700,2704,2722,2736,2749,2759,2763,2766,2854,2866,2870,2894],[609,610,611,612,618],"p",{},"The Loki adapter pushes wide events to ",[613,614,191],"a",{"href":615,"rel":616},"https:\u002F\u002Fgrafana.com\u002Fdocs\u002Floki\u002Flatest\u002F",[617],"nofollow"," via its push API. It works with a self-hosted single-tenant instance, a multi-tenant deployment, and Grafana Cloud.",[609,620,621,622,626,627,631,632,635,636,639,640,631,643,631,646,649,650,653],{},"Each event is pushed as a ",[623,624,625],"strong",{},"JSON log line"," under a small, low-cardinality label set. That distinction matters in Loki: labels are indexed and billed by cardinality, while the log line is searched at query time. evlog labels only ",[628,629,630],"code",{},"service",", ",[628,633,634],{},"environment",", and ",[628,637,638],{},"level"," by default, and leaves everything else (",[628,641,642],{},"requestId",[628,644,645],{},"path",[628,647,648],{},"user",", your custom fields) in the line, queryable with ",[628,651,652],{},"| json",".",[655,656,659,662,692],"prompt",{":actions":657,"description":658,"icon":194},"[\"copy\",\"cursor\",\"claude\"]","Add the Grafana Loki drain adapter",[609,660,661],{},"Add the Grafana Loki drain adapter to send evlog wide events to Loki.",[663,664,665,669,672,675,678,686,689],"ol",{},[666,667,668],"li",{},"Identify which framework I'm using and follow its evlog integration pattern",[666,670,671],{},"Install evlog if not already installed",[666,673,674],{},"Import createLokiDrain from 'evlog\u002Floki'",[666,676,677],{},"Wire createLokiDrain() into my framework's drain configuration",[666,679,680,681,685],{},"Set LOKI_ENDPOINT (e.g. ",[613,682,683],{"href":683,"rel":684},"http:\u002F\u002Flocalhost:3100",[617],"). For Grafana Cloud also set LOKI_USER (instance ID) and LOKI_API_KEY",[666,687,688],{},"For multi-tenant self-hosted Loki, set LOKI_TENANT_ID instead",[666,690,691],{},"Test by triggering a request and querying {service=\"my-app\"} in Grafana",[609,693,694,695,699,700],{},"Adapter docs: ",[613,696,697],{"href":697,"rel":698},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki",[617],"\nFramework setup: ",[613,701,702],{"href":702,"rel":703},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[617],[705,706,20],"h2",{"id":707},"installation",[609,709,710],{},"The Loki adapter comes bundled with evlog:",[712,713,719],"pre",{"className":714,"code":715,"filename":716,"language":717,"meta":718,"style":718},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { createLokiDrain } from 'evlog\u002Floki'\n","src\u002Findex.ts","typescript","",[628,720,721],{"__ignoreMap":718},[722,723,726,730,734,738,741,744,747,751],"span",{"class":724,"line":725},"line",1,[722,727,729],{"class":728},"s7zQu","import",[722,731,733],{"class":732},"sMK4o"," {",[722,735,737],{"class":736},"sTEyZ"," createLokiDrain",[722,739,740],{"class":732}," }",[722,742,743],{"class":728}," from",[722,745,746],{"class":732}," '",[722,748,750],{"class":749},"sfazB","evlog\u002Floki",[722,752,753],{"class":732},"'\n",[705,755,25],{"id":756},"quick-start",[609,758,759,760,763],{},"Set ",[628,761,762],{},"LOKI_ENDPOINT"," and wire the drain into your framework.",[765,766,767,881,1003,1107,1214,1319,1456],"code-group",{},[712,768,771],{"className":714,"code":769,"filename":770,"language":717,"meta":718,"style":718},"\u002F\u002F server\u002Fplugins\u002Fevlog.ts\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createLokiDrain())\n})\n","Nuxt \u002F Nitro",[628,772,773,779,798,805,837,872],{"__ignoreMap":718},[722,774,775],{"class":724,"line":725},[722,776,778],{"class":777},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog.ts\n",[722,780,782,784,786,788,790,792,794,796],{"class":724,"line":781},2,[722,783,729],{"class":728},[722,785,733],{"class":732},[722,787,737],{"class":736},[722,789,740],{"class":732},[722,791,743],{"class":728},[722,793,746],{"class":732},[722,795,750],{"class":749},[722,797,753],{"class":732},[722,799,801],{"class":724,"line":800},3,[722,802,804],{"emptyLinePlaceholder":803},true,"\n",[722,806,808,811,814,818,821,823,827,830,834],{"class":724,"line":807},4,[722,809,810],{"class":728},"export",[722,812,813],{"class":728}," default",[722,815,817],{"class":816},"s2Zo4"," defineNitroPlugin",[722,819,820],{"class":736},"(",[722,822,820],{"class":732},[722,824,826],{"class":825},"sHdIc","nitroApp",[722,828,829],{"class":732},")",[722,831,833],{"class":832},"spNyl"," =>",[722,835,836],{"class":732}," {\n",[722,838,840,843,845,848,850,853,856,859,862,864,867,869],{"class":724,"line":839},5,[722,841,842],{"class":736},"  nitroApp",[722,844,653],{"class":732},[722,846,847],{"class":736},"hooks",[722,849,653],{"class":732},[722,851,852],{"class":816},"hook",[722,854,820],{"class":855},"swJcz",[722,857,858],{"class":732},"'",[722,860,861],{"class":749},"evlog:drain",[722,863,858],{"class":732},[722,865,866],{"class":732},",",[722,868,737],{"class":816},[722,870,871],{"class":855},"())\n",[722,873,875,878],{"class":724,"line":874},6,[722,876,877],{"class":732},"}",[722,879,880],{"class":736},")\n",[712,882,884],{"className":714,"code":883,"filename":275,"language":717,"meta":718,"style":718},"import { Hono } from 'hono'\nimport { evlog } from 'evlog\u002Fhono'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = new Hono()\napp.use(evlog({ drain: createLokiDrain() }))\n",[628,885,886,906,926,944,948,967],{"__ignoreMap":718},[722,887,888,890,892,895,897,899,901,904],{"class":724,"line":725},[722,889,729],{"class":728},[722,891,733],{"class":732},[722,893,894],{"class":736}," Hono",[722,896,740],{"class":732},[722,898,743],{"class":728},[722,900,746],{"class":732},[722,902,903],{"class":749},"hono",[722,905,753],{"class":732},[722,907,908,910,912,915,917,919,921,924],{"class":724,"line":781},[722,909,729],{"class":728},[722,911,733],{"class":732},[722,913,914],{"class":736}," evlog",[722,916,740],{"class":732},[722,918,743],{"class":728},[722,920,746],{"class":732},[722,922,923],{"class":749},"evlog\u002Fhono",[722,925,753],{"class":732},[722,927,928,930,932,934,936,938,940,942],{"class":724,"line":800},[722,929,729],{"class":728},[722,931,733],{"class":732},[722,933,737],{"class":736},[722,935,740],{"class":732},[722,937,743],{"class":728},[722,939,746],{"class":732},[722,941,750],{"class":749},[722,943,753],{"class":732},[722,945,946],{"class":724,"line":807},[722,947,804],{"emptyLinePlaceholder":803},[722,949,950,953,956,959,962,964],{"class":724,"line":839},[722,951,952],{"class":832},"const",[722,954,955],{"class":736}," app ",[722,957,958],{"class":732},"=",[722,960,961],{"class":732}," new",[722,963,894],{"class":816},[722,965,966],{"class":736},"()\n",[722,968,969,972,974,977,979,982,984,987,990,993,995,998,1000],{"class":724,"line":874},[722,970,971],{"class":736},"app",[722,973,653],{"class":732},[722,975,976],{"class":816},"use",[722,978,820],{"class":736},[722,980,981],{"class":816},"evlog",[722,983,820],{"class":736},[722,985,986],{"class":732},"{",[722,988,989],{"class":855}," drain",[722,991,992],{"class":732},":",[722,994,737],{"class":816},[722,996,997],{"class":736},"() ",[722,999,877],{"class":732},[722,1001,1002],{"class":736},"))\n",[712,1004,1006],{"className":714,"code":1005,"filename":270,"language":717,"meta":718,"style":718},"import express from 'express'\nimport { evlog } from 'evlog\u002Fexpress'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = express()\napp.use(evlog({ drain: createLokiDrain() }))\n",[628,1007,1008,1025,1044,1062,1066,1079],{"__ignoreMap":718},[722,1009,1010,1012,1015,1018,1020,1023],{"class":724,"line":725},[722,1011,729],{"class":728},[722,1013,1014],{"class":736}," express ",[722,1016,1017],{"class":728},"from",[722,1019,746],{"class":732},[722,1021,1022],{"class":749},"express",[722,1024,753],{"class":732},[722,1026,1027,1029,1031,1033,1035,1037,1039,1042],{"class":724,"line":781},[722,1028,729],{"class":728},[722,1030,733],{"class":732},[722,1032,914],{"class":736},[722,1034,740],{"class":732},[722,1036,743],{"class":728},[722,1038,746],{"class":732},[722,1040,1041],{"class":749},"evlog\u002Fexpress",[722,1043,753],{"class":732},[722,1045,1046,1048,1050,1052,1054,1056,1058,1060],{"class":724,"line":800},[722,1047,729],{"class":728},[722,1049,733],{"class":732},[722,1051,737],{"class":736},[722,1053,740],{"class":732},[722,1055,743],{"class":728},[722,1057,746],{"class":732},[722,1059,750],{"class":749},[722,1061,753],{"class":732},[722,1063,1064],{"class":724,"line":807},[722,1065,804],{"emptyLinePlaceholder":803},[722,1067,1068,1070,1072,1074,1077],{"class":724,"line":839},[722,1069,952],{"class":832},[722,1071,955],{"class":736},[722,1073,958],{"class":732},[722,1075,1076],{"class":816}," express",[722,1078,966],{"class":736},[722,1080,1081,1083,1085,1087,1089,1091,1093,1095,1097,1099,1101,1103,1105],{"class":724,"line":874},[722,1082,971],{"class":736},[722,1084,653],{"class":732},[722,1086,976],{"class":816},[722,1088,820],{"class":736},[722,1090,981],{"class":816},[722,1092,820],{"class":736},[722,1094,986],{"class":732},[722,1096,989],{"class":855},[722,1098,992],{"class":732},[722,1100,737],{"class":816},[722,1102,997],{"class":736},[722,1104,877],{"class":732},[722,1106,1002],{"class":736},[712,1108,1110],{"className":714,"code":1109,"filename":280,"language":717,"meta":718,"style":718},"import Fastify from 'fastify'\nimport { evlog } from 'evlog\u002Ffastify'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = Fastify()\nawait app.register(evlog, { drain: createLokiDrain() })\n",[628,1111,1112,1128,1147,1165,1169,1182],{"__ignoreMap":718},[722,1113,1114,1116,1119,1121,1123,1126],{"class":724,"line":725},[722,1115,729],{"class":728},[722,1117,1118],{"class":736}," Fastify ",[722,1120,1017],{"class":728},[722,1122,746],{"class":732},[722,1124,1125],{"class":749},"fastify",[722,1127,753],{"class":732},[722,1129,1130,1132,1134,1136,1138,1140,1142,1145],{"class":724,"line":781},[722,1131,729],{"class":728},[722,1133,733],{"class":732},[722,1135,914],{"class":736},[722,1137,740],{"class":732},[722,1139,743],{"class":728},[722,1141,746],{"class":732},[722,1143,1144],{"class":749},"evlog\u002Ffastify",[722,1146,753],{"class":732},[722,1148,1149,1151,1153,1155,1157,1159,1161,1163],{"class":724,"line":800},[722,1150,729],{"class":728},[722,1152,733],{"class":732},[722,1154,737],{"class":736},[722,1156,740],{"class":732},[722,1158,743],{"class":728},[722,1160,746],{"class":732},[722,1162,750],{"class":749},[722,1164,753],{"class":732},[722,1166,1167],{"class":724,"line":807},[722,1168,804],{"emptyLinePlaceholder":803},[722,1170,1171,1173,1175,1177,1180],{"class":724,"line":839},[722,1172,952],{"class":832},[722,1174,955],{"class":736},[722,1176,958],{"class":732},[722,1178,1179],{"class":816}," Fastify",[722,1181,966],{"class":736},[722,1183,1184,1187,1190,1192,1195,1198,1200,1202,1204,1206,1208,1210,1212],{"class":724,"line":874},[722,1185,1186],{"class":728},"await",[722,1188,1189],{"class":736}," app",[722,1191,653],{"class":732},[722,1193,1194],{"class":816},"register",[722,1196,1197],{"class":736},"(evlog",[722,1199,866],{"class":732},[722,1201,733],{"class":732},[722,1203,989],{"class":855},[722,1205,992],{"class":732},[722,1207,737],{"class":816},[722,1209,997],{"class":736},[722,1211,877],{"class":732},[722,1213,880],{"class":736},[712,1215,1217],{"className":714,"code":1216,"filename":285,"language":717,"meta":718,"style":718},"import { Elysia } from 'elysia'\nimport { evlog } from 'evlog\u002Felysia'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\nconst app = new Elysia().use(evlog({ drain: createLokiDrain() }))\n",[628,1218,1219,1239,1258,1276,1280],{"__ignoreMap":718},[722,1220,1221,1223,1225,1228,1230,1232,1234,1237],{"class":724,"line":725},[722,1222,729],{"class":728},[722,1224,733],{"class":732},[722,1226,1227],{"class":736}," Elysia",[722,1229,740],{"class":732},[722,1231,743],{"class":728},[722,1233,746],{"class":732},[722,1235,1236],{"class":749},"elysia",[722,1238,753],{"class":732},[722,1240,1241,1243,1245,1247,1249,1251,1253,1256],{"class":724,"line":781},[722,1242,729],{"class":728},[722,1244,733],{"class":732},[722,1246,914],{"class":736},[722,1248,740],{"class":732},[722,1250,743],{"class":728},[722,1252,746],{"class":732},[722,1254,1255],{"class":749},"evlog\u002Felysia",[722,1257,753],{"class":732},[722,1259,1260,1262,1264,1266,1268,1270,1272,1274],{"class":724,"line":800},[722,1261,729],{"class":728},[722,1263,733],{"class":732},[722,1265,737],{"class":736},[722,1267,740],{"class":732},[722,1269,743],{"class":728},[722,1271,746],{"class":732},[722,1273,750],{"class":749},[722,1275,753],{"class":732},[722,1277,1278],{"class":724,"line":807},[722,1279,804],{"emptyLinePlaceholder":803},[722,1281,1282,1284,1286,1288,1290,1292,1295,1297,1299,1301,1303,1305,1307,1309,1311,1313,1315,1317],{"class":724,"line":839},[722,1283,952],{"class":832},[722,1285,955],{"class":736},[722,1287,958],{"class":732},[722,1289,961],{"class":732},[722,1291,1227],{"class":816},[722,1293,1294],{"class":736},"()",[722,1296,653],{"class":732},[722,1298,976],{"class":816},[722,1300,820],{"class":736},[722,1302,981],{"class":816},[722,1304,820],{"class":736},[722,1306,986],{"class":732},[722,1308,989],{"class":855},[722,1310,992],{"class":732},[722,1312,737],{"class":816},[722,1314,997],{"class":736},[722,1316,877],{"class":732},[722,1318,1002],{"class":736},[712,1320,1322],{"className":714,"code":1321,"filename":265,"language":717,"meta":718,"style":718},"import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\n@Module({\n  imports: [EvlogModule.forRoot({ drain: createLokiDrain() })],\n})\nexport class AppModule {}\n",[628,1323,1324,1344,1364,1382,1386,1399,1434,1441],{"__ignoreMap":718},[722,1325,1326,1328,1330,1333,1335,1337,1339,1342],{"class":724,"line":725},[722,1327,729],{"class":728},[722,1329,733],{"class":732},[722,1331,1332],{"class":736}," Module",[722,1334,740],{"class":732},[722,1336,743],{"class":728},[722,1338,746],{"class":732},[722,1340,1341],{"class":749},"@nestjs\u002Fcommon",[722,1343,753],{"class":732},[722,1345,1346,1348,1350,1353,1355,1357,1359,1362],{"class":724,"line":781},[722,1347,729],{"class":728},[722,1349,733],{"class":732},[722,1351,1352],{"class":736}," EvlogModule",[722,1354,740],{"class":732},[722,1356,743],{"class":728},[722,1358,746],{"class":732},[722,1360,1361],{"class":749},"evlog\u002Fnestjs",[722,1363,753],{"class":732},[722,1365,1366,1368,1370,1372,1374,1376,1378,1380],{"class":724,"line":800},[722,1367,729],{"class":728},[722,1369,733],{"class":732},[722,1371,737],{"class":736},[722,1373,740],{"class":732},[722,1375,743],{"class":728},[722,1377,746],{"class":732},[722,1379,750],{"class":749},[722,1381,753],{"class":732},[722,1383,1384],{"class":724,"line":807},[722,1385,804],{"emptyLinePlaceholder":803},[722,1387,1388,1391,1394,1396],{"class":724,"line":839},[722,1389,1390],{"class":732},"@",[722,1392,1393],{"class":816},"Module",[722,1395,820],{"class":736},[722,1397,1398],{"class":732},"{\n",[722,1400,1401,1404,1406,1409,1411,1414,1416,1418,1420,1422,1424,1426,1428,1431],{"class":724,"line":874},[722,1402,1403],{"class":855},"  imports",[722,1405,992],{"class":732},[722,1407,1408],{"class":736}," [EvlogModule",[722,1410,653],{"class":732},[722,1412,1413],{"class":816},"forRoot",[722,1415,820],{"class":736},[722,1417,986],{"class":732},[722,1419,989],{"class":855},[722,1421,992],{"class":732},[722,1423,737],{"class":816},[722,1425,997],{"class":736},[722,1427,877],{"class":732},[722,1429,1430],{"class":736},")]",[722,1432,1433],{"class":732},",\n",[722,1435,1437,1439],{"class":724,"line":1436},7,[722,1438,877],{"class":732},[722,1440,880],{"class":736},[722,1442,1444,1446,1449,1453],{"class":724,"line":1443},8,[722,1445,810],{"class":728},[722,1447,1448],{"class":832}," class",[722,1450,1452],{"class":1451},"sBMFI"," AppModule",[722,1454,1455],{"class":732}," {}\n",[712,1457,1459],{"className":714,"code":1458,"filename":300,"language":717,"meta":718,"style":718},"import { initLogger } from 'evlog'\nimport { createLokiDrain } from 'evlog\u002Floki'\n\ninitLogger({\n  env: { service: 'my-app' },\n  drain: createLokiDrain(),\n})\n",[628,1460,1461,1480,1498,1502,1511,1535,1548],{"__ignoreMap":718},[722,1462,1463,1465,1467,1470,1472,1474,1476,1478],{"class":724,"line":725},[722,1464,729],{"class":728},[722,1466,733],{"class":732},[722,1468,1469],{"class":736}," initLogger",[722,1471,740],{"class":732},[722,1473,743],{"class":728},[722,1475,746],{"class":732},[722,1477,981],{"class":749},[722,1479,753],{"class":732},[722,1481,1482,1484,1486,1488,1490,1492,1494,1496],{"class":724,"line":781},[722,1483,729],{"class":728},[722,1485,733],{"class":732},[722,1487,737],{"class":736},[722,1489,740],{"class":732},[722,1491,743],{"class":728},[722,1493,746],{"class":732},[722,1495,750],{"class":749},[722,1497,753],{"class":732},[722,1499,1500],{"class":724,"line":800},[722,1501,804],{"emptyLinePlaceholder":803},[722,1503,1504,1507,1509],{"class":724,"line":807},[722,1505,1506],{"class":816},"initLogger",[722,1508,820],{"class":736},[722,1510,1398],{"class":732},[722,1512,1513,1516,1518,1520,1523,1525,1527,1530,1532],{"class":724,"line":839},[722,1514,1515],{"class":855},"  env",[722,1517,992],{"class":732},[722,1519,733],{"class":732},[722,1521,1522],{"class":855}," service",[722,1524,992],{"class":732},[722,1526,746],{"class":732},[722,1528,1529],{"class":749},"my-app",[722,1531,858],{"class":732},[722,1533,1534],{"class":732}," },\n",[722,1536,1537,1540,1542,1544,1546],{"class":724,"line":874},[722,1538,1539],{"class":855},"  drain",[722,1541,992],{"class":732},[722,1543,737],{"class":816},[722,1545,1294],{"class":736},[722,1547,1433],{"class":732},[722,1549,1550,1552],{"class":724,"line":1436},[722,1551,877],{"class":732},[722,1553,880],{"class":736},[705,1555,547],{"id":1556},"configuration",[1558,1559,1561],"h3",{"id":1560},"environment-variables","Environment variables",[1563,1564,1565,1581],"table",{},[1566,1567,1568],"thead",{},[1569,1570,1571,1575,1578],"tr",{},[1572,1573,1574],"th",{},"Variable",[1572,1576,1577],{},"Required",[1572,1579,1580],{},"Description",[1582,1583,1584,1601,1621,1635],"tbody",{},[1569,1585,1586,1591,1594],{},[1587,1588,1589],"td",{},[628,1590,762],{},[1587,1592,1593],{},"Yes",[1587,1595,1596,1597,1600],{},"Base URL of the Loki instance, without the push path (",[628,1598,1599],{},"LOKI_URL"," also accepted)",[1569,1602,1603,1608,1611],{},[1587,1604,1605],{},[628,1606,1607],{},"LOKI_API_KEY",[1587,1609,1610],{},"No",[1587,1612,1613,1614,1617,1618,1600],{},"API token. Sent as Basic with ",[628,1615,1616],{},"LOKI_USER",", otherwise as Bearer (",[628,1619,1620],{},"GRAFANA_API_KEY",[1569,1622,1623,1627,1629],{},[1587,1624,1625],{},[628,1626,1616],{},[1587,1628,1610],{},[1587,1630,1631,1632,1600],{},"Grafana Cloud instance ID. Switches auth to Basic (",[628,1633,1634],{},"GRAFANA_USER",[1569,1636,1637,1642,1644],{},[1587,1638,1639],{},[628,1640,1641],{},"LOKI_TENANT_ID",[1587,1643,1610],{},[1587,1645,1646,1647],{},"Tenant for multi-tenant self-hosted Loki, sent as ",[628,1648,1649],{},"X-Scope-OrgID",[1558,1651,1653],{"id":1652},"priority","Priority",[609,1655,1656],{},"Configuration is resolved highest to lowest:",[663,1658,1659,1665,1671,1676],{},[666,1660,1661,1662],{},"Overrides passed to ",[628,1663,1664],{},"createLokiDrain()",[666,1666,1667,1670],{},[628,1668,1669],{},"runtimeConfig.evlog.loki"," (Nitro)",[666,1672,1673,1670],{},[628,1674,1675],{},"runtimeConfig.loki",[666,1677,1561],{},[1558,1679,346],{"id":1680},"options",[1563,1682,1683,1698],{},[1566,1684,1685],{},[1569,1686,1687,1690,1693,1696],{},[1572,1688,1689],{},"Option",[1572,1691,1692],{},"Type",[1572,1694,1695],{},"Default",[1572,1697,1580],{},[1582,1699,1700,1721,1737,1752,1770,1790,1807,1827],{},[1569,1701,1702,1707,1712,1715],{},[1587,1703,1704],{},[628,1705,1706],{},"endpoint",[1587,1708,1709],{},[628,1710,1711],{},"string",[1587,1713,1714],{},"—",[1587,1716,1717,1718],{},"Base URL, without ",[628,1719,1720],{},"\u002Floki\u002Fapi\u002Fv1\u002Fpush",[1569,1722,1723,1728,1732,1734],{},[1587,1724,1725],{},[628,1726,1727],{},"apiKey",[1587,1729,1730],{},[628,1731,1711],{},[1587,1733,1714],{},[1587,1735,1736],{},"API token",[1569,1738,1739,1743,1747,1749],{},[1587,1740,1741],{},[628,1742,648],{},[1587,1744,1745],{},[628,1746,1711],{},[1587,1748,1714],{},[1587,1750,1751],{},"Grafana Cloud instance ID (enables Basic auth)",[1569,1753,1754,1759,1763,1765],{},[1587,1755,1756],{},[628,1757,1758],{},"tenantId",[1587,1760,1761],{},[628,1762,1711],{},[1587,1764,1714],{},[1587,1766,1767,1769],{},[628,1768,1649],{}," for multi-tenant Loki",[1569,1771,1772,1777,1782,1787],{},[1587,1773,1774],{},[628,1775,1776],{},"labelFields",[1587,1778,1779],{},[628,1780,1781],{},"string[]",[1587,1783,1784],{},[628,1785,1786],{},"['service', 'environment', 'level']",[1587,1788,1789],{},"Event fields promoted to Loki labels",[1569,1791,1792,1797,1802,1804],{},[1587,1793,1794],{},[628,1795,1796],{},"labels",[1587,1798,1799],{},[628,1800,1801],{},"Record\u003Cstring, string>",[1587,1803,1714],{},[1587,1805,1806],{},"Static labels merged into every stream",[1569,1808,1809,1814,1819,1824],{},[1587,1810,1811],{},[628,1812,1813],{},"timeout",[1587,1815,1816],{},[628,1817,1818],{},"number",[1587,1820,1821],{},[628,1822,1823],{},"5000",[1587,1825,1826],{},"Request timeout in ms",[1569,1828,1829,1834,1838,1843],{},[1587,1830,1831],{},[628,1832,1833],{},"retries",[1587,1835,1836],{},[628,1837,1818],{},[1587,1839,1840],{},[628,1841,1842],{},"2",[1587,1844,1845],{},"Retry attempts on transient failures",[705,1847,1849],{"id":1848},"deployment","Deployment",[609,1851,1852],{},"Loki runs either way, and the adapter is the same in both cases. Only\nauthentication differs.",[1558,1854,1856],{"id":1855},"self-hosted","Self-hosted",[609,1858,1859],{},"A single-tenant instance needs nothing but the endpoint:",[712,1861,1864],{"className":714,"code":1862,"filename":1863,"language":717,"meta":718,"style":718},"createLokiDrain({ endpoint: 'http:\u002F\u002Flocalhost:3100' })\n","server\u002Fplugins\u002Fevlog.ts",[628,1865,1866],{"__ignoreMap":718},[722,1867,1868,1871,1873,1875,1878,1880,1882,1884,1886,1888],{"class":724,"line":725},[722,1869,1870],{"class":816},"createLokiDrain",[722,1872,820],{"class":736},[722,1874,986],{"class":732},[722,1876,1877],{"class":855}," endpoint",[722,1879,992],{"class":732},[722,1881,746],{"class":732},[722,1883,683],{"class":749},[722,1885,858],{"class":732},[722,1887,740],{"class":732},[722,1889,880],{"class":736},[712,1891,1896],{"className":1892,"code":1893,"filename":1894,"language":1895,"meta":718,"style":718},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","LOKI_ENDPOINT=http:\u002F\u002Flocalhost:3100\n",".env","bash",[628,1897,1898],{"__ignoreMap":718},[722,1899,1900,1902,1904],{"class":724,"line":725},[722,1901,762],{"class":736},[722,1903,958],{"class":732},[722,1905,1906],{"class":749},"http:\u002F\u002Flocalhost:3100\n",[609,1908,1909,1910,1913,1914,992],{},"For a ",[623,1911,1912],{},"multi-tenant"," deployment, name the tenant, and it is sent as ",[628,1915,1649],{},[712,1917,1919],{"className":714,"code":1918,"filename":1863,"language":717,"meta":718,"style":718},"createLokiDrain({\n  endpoint: 'http:\u002F\u002Floki.internal:3100',\n  tenantId: 'team-checkout',\n})\n",[628,1920,1921,1929,1945,1961],{"__ignoreMap":718},[722,1922,1923,1925,1927],{"class":724,"line":725},[722,1924,1870],{"class":816},[722,1926,820],{"class":736},[722,1928,1398],{"class":732},[722,1930,1931,1934,1936,1938,1941,1943],{"class":724,"line":781},[722,1932,1933],{"class":855},"  endpoint",[722,1935,992],{"class":732},[722,1937,746],{"class":732},[722,1939,1940],{"class":749},"http:\u002F\u002Floki.internal:3100",[722,1942,858],{"class":732},[722,1944,1433],{"class":732},[722,1946,1947,1950,1952,1954,1957,1959],{"class":724,"line":800},[722,1948,1949],{"class":855},"  tenantId",[722,1951,992],{"class":732},[722,1953,746],{"class":732},[722,1955,1956],{"class":749},"team-checkout",[722,1958,858],{"class":732},[722,1960,1433],{"class":732},[722,1962,1963,1965],{"class":724,"line":807},[722,1964,877],{"class":732},[722,1966,880],{"class":736},[712,1968,1970],{"className":1892,"code":1969,"filename":1894,"language":1895,"meta":718,"style":718},"LOKI_ENDPOINT=http:\u002F\u002Floki.internal:3100\nLOKI_TENANT_ID=team-checkout\n",[628,1971,1972,1981],{"__ignoreMap":718},[722,1973,1974,1976,1978],{"class":724,"line":725},[722,1975,762],{"class":736},[722,1977,958],{"class":732},[722,1979,1980],{"class":749},"http:\u002F\u002Floki.internal:3100\n",[722,1982,1983,1985,1987],{"class":724,"line":781},[722,1984,1641],{"class":736},[722,1986,958],{"class":732},[722,1988,1989],{"class":749},"team-checkout\n",[609,1991,1992,1993,1995,1996,653],{},"If your instance sits behind an authenticating proxy, ",[628,1994,1727],{}," alone is sent as\n",[628,1997,1998],{},"Authorization: Bearer",[1558,2000,2002],{"id":2001},"grafana-cloud","Grafana Cloud",[609,2004,2005,2006,2009],{},"Grafana Cloud authenticates with your ",[623,2007,2008],{},"instance ID"," plus an access policy\ntoken, sent together as HTTP Basic:",[712,2011,2013],{"className":714,"code":2012,"filename":1863,"language":717,"meta":718,"style":718},"createLokiDrain({\n  endpoint: 'https:\u002F\u002Flogs-prod-eu-west-0.grafana.net',\n  user: '123456',\n  apiKey: process.env.GRAFANA_API_KEY,\n})\n",[628,2014,2015,2023,2038,2054,2075],{"__ignoreMap":718},[722,2016,2017,2019,2021],{"class":724,"line":725},[722,2018,1870],{"class":816},[722,2020,820],{"class":736},[722,2022,1398],{"class":732},[722,2024,2025,2027,2029,2031,2034,2036],{"class":724,"line":781},[722,2026,1933],{"class":855},[722,2028,992],{"class":732},[722,2030,746],{"class":732},[722,2032,2033],{"class":749},"https:\u002F\u002Flogs-prod-eu-west-0.grafana.net",[722,2035,858],{"class":732},[722,2037,1433],{"class":732},[722,2039,2040,2043,2045,2047,2050,2052],{"class":724,"line":800},[722,2041,2042],{"class":855},"  user",[722,2044,992],{"class":732},[722,2046,746],{"class":732},[722,2048,2049],{"class":749},"123456",[722,2051,858],{"class":732},[722,2053,1433],{"class":732},[722,2055,2056,2059,2061,2064,2066,2069,2071,2073],{"class":724,"line":807},[722,2057,2058],{"class":855},"  apiKey",[722,2060,992],{"class":732},[722,2062,2063],{"class":736}," process",[722,2065,653],{"class":732},[722,2067,2068],{"class":736},"env",[722,2070,653],{"class":732},[722,2072,1620],{"class":736},[722,2074,1433],{"class":732},[722,2076,2077,2079],{"class":724,"line":839},[722,2078,877],{"class":732},[722,2080,880],{"class":736},[712,2082,2084],{"className":1892,"code":2083,"filename":1894,"language":1895,"meta":718,"style":718},"LOKI_ENDPOINT=https:\u002F\u002Flogs-prod-eu-west-0.grafana.net\nLOKI_USER=123456\nLOKI_API_KEY=glc_xxx\n",[628,2085,2086,2095,2104],{"__ignoreMap":718},[722,2087,2088,2090,2092],{"class":724,"line":725},[722,2089,762],{"class":736},[722,2091,958],{"class":732},[722,2093,2094],{"class":749},"https:\u002F\u002Flogs-prod-eu-west-0.grafana.net\n",[722,2096,2097,2099,2101],{"class":724,"line":781},[722,2098,1616],{"class":736},[722,2100,958],{"class":732},[722,2102,2103],{"class":749},"123456\n",[722,2105,2106,2108,2110],{"class":724,"line":800},[722,2107,1607],{"class":736},[722,2109,958],{"class":732},[722,2111,2112],{"class":749},"glc_xxx\n",[2114,2115,2117,2119,2120,2123,2124,2128,2129,653],"callout",{"color":2116,"icon":13},"info",[628,2118,648],{}," is the ",[623,2121,2122],{},"numeric instance ID"," of the Loki datasource. Find it under\n",[2125,2126,2127],"em",{},"Connections → Data sources → Loki"," in your Grafana Cloud stack. It is not your\naccount email. Using the wrong value is the usual cause of a ",[628,2130,2131],{},"401",[1558,2133,2135],{"id":2134},"which-auth-applies","Which auth applies",[1563,2137,2138,2157],{},[1566,2139,2140],{},[1569,2141,2142,2146,2150,2154],{},[1572,2143,2144],{},[628,2145,648],{},[1572,2147,2148],{},[628,2149,1727],{},[1572,2151,2152],{},[628,2153,1758],{},[1572,2155,2156],{},"Header sent",[1582,2158,2159,2173,2186,2199],{},[1569,2160,2161,2164,2166,2168],{},[1587,2162,2163],{},"✓",[1587,2165,2163],{},[1587,2167],{},[1587,2169,2170],{},[628,2171,2172],{},"Authorization: Basic base64(user:apiKey)",[1569,2174,2175,2177,2179,2181],{},[1587,2176],{},[1587,2178,2163],{},[1587,2180],{},[1587,2182,2183],{},[628,2184,2185],{},"Authorization: Bearer \u003CapiKey>",[1569,2187,2188,2190,2192,2194],{},[1587,2189],{},[1587,2191],{},[1587,2193,2163],{},[1587,2195,2196],{},[628,2197,2198],{},"X-Scope-OrgID: \u003CtenantId>",[1569,2200,2201,2203,2205,2207],{},[1587,2202],{},[1587,2204],{},[1587,2206],{},[1587,2208,2209],{},"none — unauthenticated instance",[609,2211,2212,2214],{},[628,2213,1758],{}," is independent and can be combined with either auth mode.",[705,2216,2218],{"id":2217},"labels-and-cardinality","Labels and cardinality",[2114,2220,2223,2224,2226,2227,2230],{"color":2221,"icon":2222},"warning","i-lucide-triangle-alert","Never promote a high-cardinality field to a label. Loki creates one stream per unique label combination, so labelling ",[628,2225,642],{}," or ",[628,2228,2229],{},"userId"," will create millions of streams and degrade or break your instance.",[609,2232,2233],{},"Add a label only for values you filter on and that have a bounded set:",[712,2235,2237],{"className":714,"code":2236,"filename":1863,"language":717,"meta":718,"style":718},"createLokiDrain({\n  \u002F\u002F `region` has a handful of values — safe\n  labelFields: ['service', 'environment', 'level', 'region'],\n  \u002F\u002F Static labels for everything in this deployment\n  labels: { cluster: 'prod-eu' },\n})\n",[628,2238,2239,2247,2252,2298,2303,2326],{"__ignoreMap":718},[722,2240,2241,2243,2245],{"class":724,"line":725},[722,2242,1870],{"class":816},[722,2244,820],{"class":736},[722,2246,1398],{"class":732},[722,2248,2249],{"class":724,"line":781},[722,2250,2251],{"class":777},"  \u002F\u002F `region` has a handful of values — safe\n",[722,2253,2254,2257,2259,2262,2264,2266,2268,2270,2272,2274,2276,2278,2280,2282,2284,2286,2288,2291,2293,2296],{"class":724,"line":800},[722,2255,2256],{"class":855},"  labelFields",[722,2258,992],{"class":732},[722,2260,2261],{"class":736}," [",[722,2263,858],{"class":732},[722,2265,630],{"class":749},[722,2267,858],{"class":732},[722,2269,866],{"class":732},[722,2271,746],{"class":732},[722,2273,634],{"class":749},[722,2275,858],{"class":732},[722,2277,866],{"class":732},[722,2279,746],{"class":732},[722,2281,638],{"class":749},[722,2283,858],{"class":732},[722,2285,866],{"class":732},[722,2287,746],{"class":732},[722,2289,2290],{"class":749},"region",[722,2292,858],{"class":732},[722,2294,2295],{"class":736},"]",[722,2297,1433],{"class":732},[722,2299,2300],{"class":724,"line":807},[722,2301,2302],{"class":777},"  \u002F\u002F Static labels for everything in this deployment\n",[722,2304,2305,2308,2310,2312,2315,2317,2319,2322,2324],{"class":724,"line":839},[722,2306,2307],{"class":855},"  labels",[722,2309,992],{"class":732},[722,2311,733],{"class":732},[722,2313,2314],{"class":855}," cluster",[722,2316,992],{"class":732},[722,2318,746],{"class":732},[722,2320,2321],{"class":749},"prod-eu",[722,2323,858],{"class":732},[722,2325,1534],{"class":732},[722,2327,2328,2330],{"class":724,"line":874},[722,2329,877],{"class":732},[722,2331,880],{"class":736},[609,2333,2334],{},"Everything else stays in the JSON line and is fully queryable. See below.",[705,2336,2338],{"id":2337},"querying-in-grafana","Querying in Grafana",[609,2340,2341,2342,992],{},"Filter by label, then reach into the wide event with ",[628,2343,652],{},[712,2345,2349],{"className":2346,"code":2347,"language":2348,"meta":718,"style":718},"language-logql shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{service=\"checkout\", environment=\"production\"}\n  | json\n  | status >= 500\n","logql",[628,2350,2351,2356,2361],{"__ignoreMap":718},[722,2352,2353],{"class":724,"line":725},[722,2354,2355],{},"{service=\"checkout\", environment=\"production\"}\n",[722,2357,2358],{"class":724,"line":781},[722,2359,2360],{},"  | json\n",[722,2362,2363],{"class":724,"line":800},[722,2364,2365],{},"  | status >= 500\n",[712,2367,2369],{"className":2346,"code":2368,"language":2348,"meta":718,"style":718},"# Slow requests on one route\n{service=\"checkout\"} | json | path=\"\u002Fapi\u002Forders\" | durationMs > 1000\n",[628,2370,2371,2376],{"__ignoreMap":718},[722,2372,2373],{"class":724,"line":725},[722,2374,2375],{},"# Slow requests on one route\n",[722,2377,2378],{"class":724,"line":781},[722,2379,2380],{},"{service=\"checkout\"} | json | path=\"\u002Fapi\u002Forders\" | durationMs > 1000\n",[712,2382,2384],{"className":2346,"code":2383,"language":2348,"meta":718,"style":718},"# One request end to end\n{service=\"checkout\"} | json | requestId=\"4a8ff3a8-...\"\n",[628,2385,2386,2391],{"__ignoreMap":718},[722,2387,2388],{"class":724,"line":725},[722,2389,2390],{},"# One request end to end\n",[722,2392,2393],{"class":724,"line":781},[722,2394,2395],{},"{service=\"checkout\"} | json | requestId=\"4a8ff3a8-...\"\n",[712,2397,2399],{"className":2346,"code":2398,"language":2348,"meta":718,"style":718},"# Error rate per service\nsum by (service) (rate({environment=\"production\", level=\"error\"}[5m]))\n",[628,2400,2401,2406],{"__ignoreMap":718},[722,2402,2403],{"class":724,"line":725},[722,2404,2405],{},"# Error rate per service\n",[722,2407,2408],{"class":724,"line":781},[722,2409,2410],{},"sum by (service) (rate({environment=\"production\", level=\"error\"}[5m]))\n",[705,2412,2414],{"id":2413},"batching","Batching",[609,2416,2417],{},"Pair the drain with a pipeline to push in batches rather than per request:",[712,2419,2421],{"className":714,"code":2420,"filename":1863,"language":717,"meta":718,"style":718},"import { createDrainPipeline } from 'evlog\u002Fpipeline'\nimport { createLokiDrain } from 'evlog\u002Floki'\nimport type { DrainContext } from 'evlog'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 100, intervalMs: 5000 },\n})\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', pipeline(createLokiDrain()))\n})\n",[628,2422,2423,2443,2461,2483,2487,2511,2541,2547,2551,2572,2605],{"__ignoreMap":718},[722,2424,2425,2427,2429,2432,2434,2436,2438,2441],{"class":724,"line":725},[722,2426,729],{"class":728},[722,2428,733],{"class":732},[722,2430,2431],{"class":736}," createDrainPipeline",[722,2433,740],{"class":732},[722,2435,743],{"class":728},[722,2437,746],{"class":732},[722,2439,2440],{"class":749},"evlog\u002Fpipeline",[722,2442,753],{"class":732},[722,2444,2445,2447,2449,2451,2453,2455,2457,2459],{"class":724,"line":781},[722,2446,729],{"class":728},[722,2448,733],{"class":732},[722,2450,737],{"class":736},[722,2452,740],{"class":732},[722,2454,743],{"class":728},[722,2456,746],{"class":732},[722,2458,750],{"class":749},[722,2460,753],{"class":732},[722,2462,2463,2465,2468,2470,2473,2475,2477,2479,2481],{"class":724,"line":800},[722,2464,729],{"class":728},[722,2466,2467],{"class":728}," type",[722,2469,733],{"class":732},[722,2471,2472],{"class":736}," DrainContext",[722,2474,740],{"class":732},[722,2476,743],{"class":728},[722,2478,746],{"class":732},[722,2480,981],{"class":749},[722,2482,753],{"class":732},[722,2484,2485],{"class":724,"line":807},[722,2486,804],{"emptyLinePlaceholder":803},[722,2488,2489,2491,2494,2496,2498,2501,2504,2507,2509],{"class":724,"line":839},[722,2490,952],{"class":832},[722,2492,2493],{"class":736}," pipeline ",[722,2495,958],{"class":732},[722,2497,2431],{"class":816},[722,2499,2500],{"class":732},"\u003C",[722,2502,2503],{"class":1451},"DrainContext",[722,2505,2506],{"class":732},">",[722,2508,820],{"class":736},[722,2510,1398],{"class":732},[722,2512,2513,2516,2518,2520,2523,2525,2529,2531,2534,2536,2539],{"class":724,"line":874},[722,2514,2515],{"class":855},"  batch",[722,2517,992],{"class":732},[722,2519,733],{"class":732},[722,2521,2522],{"class":855}," size",[722,2524,992],{"class":732},[722,2526,2528],{"class":2527},"sbssI"," 100",[722,2530,866],{"class":732},[722,2532,2533],{"class":855}," intervalMs",[722,2535,992],{"class":732},[722,2537,2538],{"class":2527}," 5000",[722,2540,1534],{"class":732},[722,2542,2543,2545],{"class":724,"line":1436},[722,2544,877],{"class":732},[722,2546,880],{"class":736},[722,2548,2549],{"class":724,"line":1443},[722,2550,804],{"emptyLinePlaceholder":803},[722,2552,2554,2556,2558,2560,2562,2564,2566,2568,2570],{"class":724,"line":2553},9,[722,2555,810],{"class":728},[722,2557,813],{"class":728},[722,2559,817],{"class":816},[722,2561,820],{"class":736},[722,2563,820],{"class":732},[722,2565,826],{"class":825},[722,2567,829],{"class":732},[722,2569,833],{"class":832},[722,2571,836],{"class":732},[722,2573,2575,2577,2579,2581,2583,2585,2587,2589,2591,2593,2595,2598,2600,2602],{"class":724,"line":2574},10,[722,2576,842],{"class":736},[722,2578,653],{"class":732},[722,2580,847],{"class":736},[722,2582,653],{"class":732},[722,2584,852],{"class":816},[722,2586,820],{"class":855},[722,2588,858],{"class":732},[722,2590,861],{"class":749},[722,2592,858],{"class":732},[722,2594,866],{"class":732},[722,2596,2597],{"class":816}," pipeline",[722,2599,820],{"class":855},[722,2601,1870],{"class":816},[722,2603,2604],{"class":855},"()))\n",[722,2606,2608,2610],{"class":724,"line":2607},11,[722,2609,877],{"class":732},[722,2611,880],{"class":736},[609,2613,2614],{},"Events sharing a label set are grouped into a single Loki stream, and entries are sorted by timestamp, because Loki rejects out-of-order pushes within a stream.",[705,2616,2618],{"id":2617},"verify-it-locally","Verify it locally",[609,2620,2621],{},"Spin up Loki in Docker and push a real event, with no cloud account needed:",[712,2623,2626],{"className":1892,"code":2624,"filename":2625,"language":1895,"meta":718,"style":718},"docker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml up -d\nLOKI_ENDPOINT=http:\u002F\u002Flocalhost:3100 pnpm run test:e2e\ndocker compose -f packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml down -v\n","Terminal",[628,2627,2628,2648,2665],{"__ignoreMap":718},[722,2629,2630,2633,2636,2639,2642,2645],{"class":724,"line":725},[722,2631,2632],{"class":1451},"docker",[722,2634,2635],{"class":749}," compose",[722,2637,2638],{"class":749}," -f",[722,2640,2641],{"class":749}," packages\u002Fevlog\u002Ftest\u002Fe2e\u002Fdocker-compose.yml",[722,2643,2644],{"class":749}," up",[722,2646,2647],{"class":749}," -d\n",[722,2649,2650,2652,2654,2656,2659,2662],{"class":724,"line":781},[722,2651,762],{"class":736},[722,2653,958],{"class":732},[722,2655,683],{"class":749},[722,2657,2658],{"class":1451}," pnpm",[722,2660,2661],{"class":749}," run",[722,2663,2664],{"class":749}," test:e2e\n",[722,2666,2667,2669,2671,2673,2675,2678],{"class":724,"line":800},[722,2668,2632],{"class":1451},[722,2670,2635],{"class":749},[722,2672,2638],{"class":749},[722,2674,2641],{"class":749},[722,2676,2677],{"class":749}," down",[722,2679,2680],{"class":749}," -v\n",[609,2682,2683,2684,2687,2688,2690],{},"The suite is a ",[623,2685,2686],{},"round-trip",": it pushes events, queries them back through\nLoki's range API, and asserts the label set, the JSON log line and the\ntimestamp survived. Without ",[628,2689,762],{}," it skips itself with a visible\nlabel rather than passing silently.",[609,2692,2693,2694,2696,2697,653],{},"To eyeball the result instead, point any Grafana at ",[628,2695,683],{},"\nand run ",[628,2698,2699],{},"{service=\"evlog-e2e\"}",[705,2701,2703],{"id":2702},"troubleshooting","Troubleshooting",[609,2705,2706,2711,2712,2714,2715,2717,2718,2721],{},[623,2707,2708,653],{},[628,2709,2710],{},"Missing endpoint"," ",[628,2713,762],{}," is unset and no ",[628,2716,1706],{}," was passed. The drain logs ",[628,2719,2720],{},"[evlog\u002Floki] Missing endpoint"," once and then does nothing, so requests are never blocked or failed.",[609,2723,2724,2729,2730,2732,2733,2735],{},[623,2725,2726,653],{},[628,2727,2728],{},"Loki API error: 401"," On Grafana Cloud, check that ",[628,2731,648],{}," is the numeric ",[623,2734,2008],{}," of the Loki datasource, not your account email.",[609,2737,2738,2744,2745,2748],{},[623,2739,2740,2743],{},[628,2741,2742],{},"Loki API error: 400"," mentioning out-of-order entries."," Older Loki versions reject entries older than the most recent one in a stream. evlog sorts within each push; if you still hit this, enable ",[628,2746,2747],{},"unordered_writes"," in Loki or reduce the batch interval.",[609,2750,2751,2754,2755,2758],{},[623,2752,2753],{},"Nothing appears in Grafana."," Confirm the label set you are querying. Run ",[628,2756,2757],{},"{service=~\".+\"}"," first to see which streams arrived.",[705,2760,2762],{"id":2761},"direct-api-usage","Direct API usage",[609,2764,2765],{},"Bypass the drain to push events yourself:",[712,2767,2770],{"className":714,"code":2768,"filename":2769,"language":717,"meta":718,"style":718},"import { sendBatchToLoki, sendToLoki } from 'evlog\u002Floki'\n\nawait sendToLoki(event, { endpoint: 'http:\u002F\u002Flocalhost:3100' })\nawait sendBatchToLoki(events, { endpoint: 'http:\u002F\u002Flocalhost:3100' })\n","scripts\u002Fbackfill.ts",[628,2771,2772,2796,2800,2827],{"__ignoreMap":718},[722,2773,2774,2776,2778,2781,2783,2786,2788,2790,2792,2794],{"class":724,"line":725},[722,2775,729],{"class":728},[722,2777,733],{"class":732},[722,2779,2780],{"class":736}," sendBatchToLoki",[722,2782,866],{"class":732},[722,2784,2785],{"class":736}," sendToLoki",[722,2787,740],{"class":732},[722,2789,743],{"class":728},[722,2791,746],{"class":732},[722,2793,750],{"class":749},[722,2795,753],{"class":732},[722,2797,2798],{"class":724,"line":781},[722,2799,804],{"emptyLinePlaceholder":803},[722,2801,2802,2804,2806,2809,2811,2813,2815,2817,2819,2821,2823,2825],{"class":724,"line":800},[722,2803,1186],{"class":728},[722,2805,2785],{"class":816},[722,2807,2808],{"class":736},"(event",[722,2810,866],{"class":732},[722,2812,733],{"class":732},[722,2814,1877],{"class":855},[722,2816,992],{"class":732},[722,2818,746],{"class":732},[722,2820,683],{"class":749},[722,2822,858],{"class":732},[722,2824,740],{"class":732},[722,2826,880],{"class":736},[722,2828,2829,2831,2833,2836,2838,2840,2842,2844,2846,2848,2850,2852],{"class":724,"line":807},[722,2830,1186],{"class":728},[722,2832,2780],{"class":816},[722,2834,2835],{"class":736},"(events",[722,2837,866],{"class":732},[722,2839,733],{"class":732},[722,2841,1877],{"class":855},[722,2843,992],{"class":732},[722,2845,746],{"class":732},[722,2847,683],{"class":749},[722,2849,858],{"class":732},[722,2851,740],{"class":732},[722,2853,880],{"class":736},[609,2855,2856,631,2859,635,2862,2865],{},[628,2857,2858],{},"buildLokiPayload()",[628,2860,2861],{},"toLokiLabels()",[628,2863,2864],{},"resolveLokiPushUrl()"," are also exported for custom transports.",[705,2867,2869],{"id":2868},"next-steps","Next steps",[2871,2872,2873,2878,2883,2888],"ul",{},[666,2874,2875,2877],{},[613,2876,66],{"href":67},": control log volume before it reaches Loki",[666,2879,2880,2882],{},[613,2881,440],{"href":441},": add derived fields to every event",[666,2884,2885,2887],{},[613,2886,534],{"href":535},": batching, retries, and fan-out",[666,2889,2890,2893],{},[613,2891,2892],{"href":153},"Adapters Overview",": all available destinations",[2895,2896,2897],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html 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.sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":718,"searchDepth":781,"depth":781,"links":2899},[2900,2901,2902,2907,2912,2913,2914,2915,2916,2917,2918],{"id":707,"depth":781,"text":20},{"id":756,"depth":781,"text":25},{"id":1556,"depth":781,"text":547,"children":2903},[2904,2905,2906],{"id":1560,"depth":800,"text":1561},{"id":1652,"depth":800,"text":1653},{"id":1680,"depth":800,"text":346},{"id":1848,"depth":781,"text":1849,"children":2908},[2909,2910,2911],{"id":1855,"depth":800,"text":1856},{"id":2001,"depth":800,"text":2002},{"id":2134,"depth":800,"text":2135},{"id":2217,"depth":781,"text":2218},{"id":2337,"depth":781,"text":2338},{"id":2413,"depth":781,"text":2414},{"id":2617,"depth":781,"text":2618},{"id":2702,"depth":781,"text":2703},{"id":2761,"depth":781,"text":2762},{"id":2868,"depth":781,"text":2869},"Push wide events to Grafana Loki — self-hosted, multi-tenant, or Grafana Cloud — with low-cardinality labels and full JSON querying.","md",[2922,2929],{"label":2923,"icon":2924,"to":2925,"target":2926,"color":2927,"variant":2928},"Loki HTTP API","i-lucide-external-link","https:\u002F\u002Fgrafana.com\u002Fdocs\u002Floki\u002Flatest\u002Freference\u002Floki-http-api\u002F","_blank","neutral","subtle",{"label":2930,"icon":2924,"to":2931,"target":2926,"color":2927,"variant":2928},"LogQL","https:\u002F\u002Fgrafana.com\u002Fdocs\u002Floki\u002Flatest\u002Fquery\u002F",{},{"title":191,"icon":194},{"title":604,"description":2919},"3ojNapfXdoP0ukimUFES-lT5m0GMw5mDjlzlQ4F9Dtc",[2937,2939],{"title":181,"path":182,"stem":183,"description":2938,"icon":184,"children":-1},"Send wide events to Datadog Logs via the native HTTP intake API. Supports all Datadog sites and DD_* environment variables.",{"title":196,"path":197,"stem":198,"description":2940,"icon":199,"children":-1},"Insert wide events into ClickHouse over the HTTP interface — typed columns for what you aggregate, full JSON for everything else.",1791049466049]