prometheus_http_requests_total{method="get"} # Empty query resultabsent(prometheus_http_requests_total{method="get"}) => 1 # 返回不带度量指标名称# 3.由于不存在度量指标 nonexistent,所以返回不带度量指标名称且带有标签的时间序列,且样本值为1absent(nonexistent{job="myjob"}) => {job="myjob"}...
提供的向量无样本数据演示 prometheus_http_requests_total{method="get"} # Empty query result absent(prometheus_http_requests_total{method="get"}) => 1 # 返回不带度量指标名称 # 3.由于不存在度量指标 nonexistent,所以返回不带度量指标名称且带有标签的时间序列,且样本值为1 ...
Wondering why a query returns an empty result? Want best-in-class autocompletion, highlighting, and linting? Whether you are building queries for dashboards, alerts, or ad-hoc insights, PromLens takes the frustration out of working with PromQL and helps you build, understand, and fix your qu...
query=go_info{job="Server"} #// 返回结果: {"status":"success","data":{"resultType":"vector","result":[{"metric":{"__name__":"go_info","instance":"localhost:9090","job":"Server","version":"go1.16.2"},"value":[1629539549.827,"1"]}]}} #// 结果说明: status 字段 : success...
fix: empty result type on prom query endpoint (GreptimeTeam#1732) Jun 6, 2023 tests feat: serialize/deserialize support for PromQL plans (GreptimeTeam#1684) Jun 2, 2023 .dockerignore build: add dockerfile to build greptimedb container image (GreptimeTe… ...
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PromQL can be a difficult language to understand, particularly if you are faced with an empty input field and are having to come up with the formation of queries on your own. This article is a primer dedicated to the basics of how to run Prometheus queries. ...
PromQL can be a difficult language to understand, particularly if you are faced with an empty input field and are having to come up with the formation of queries on your own. This article is a primer dedicated to the basics of how to run Prometheus queries. ...
If a query needs to operate on a very large amount of data, graphing it might time out or overload the server or browser. Thus, when constructing queries over unknown data, always start building the query in the tabular view of Prometheus’s expression browser until the result set seems re...
start : START_METRIC metric ===> 对应parse.go中的ParseMetric方法 { yylex.(*parser).generatedParserResult = $2 } | START_SERIES_DESCRIPTION series_description ===>对应ParseSeriesDesc方法 | START_EXPRESSION /* empty */ EOF ===> ParseExpr方法 { yylex.(*parser).addParseErrf(PositionRange...