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23.10.2020 · Query frontend-- Query frontend是一项可选服务，可提供查询器的API终结点，并可用于加速读取路径。当Query frontend就位时，应将传入的查询请求定向到Query frontend，而不是Querier。为了执行实际查询，集群中仍将需要Querier服务。

25.06.2021 · 一个日志流选择器 {container="query-frontend",namespace="loki-dev"}，用于过滤 loki-dev 命名空间下面的 query-frontend 容器的日志 然后后面跟着一个日志管道 |= "metrics.go" | logfmt | duration > 10s and throughput_mb < 500 ，这管道表示将筛选出包含 metrics.go 这个词的日志，然后解析每一行日志提取更多的表达并进行过滤

而 Loki 则恰恰相反，Loki 不会对日志数据建立全文索引，取而代之的是对非结构化日志数据进行压缩存储，并且只对日志数据的 metadata(时间戳、labels 等)建立索引，所以相比 ELK ... Query Frontend. Overrides. TableManager.

And the result metrics "Ingester.TotalReached 84" shows that. Our loki accesses a lot of logs, and we want to use the query frontend to ...

// returns the set of query-frontend IPs. service.mixin.spec.withClusterIp('None') +. // Query frontend will not become ready ...

The query is composed of: a log stream selector {container="query-frontend",namespace="loki-dev"} which targets the query-frontend container in the loki-dev namespace.

Sep 06, 2021 · The query frontend also supports caching metric query results and reuses them on subsequent queries. The cache is store in Loki's caching backend (currently Memcached, Redis, and an in-memory...

The query frontend operates in one of two ways: Specify --frontend.downstream-url or its YAML equivalent, frontend.downstream_url. This proxies requests over HTTP to the specified URL. Without --frontend.downstream-url or its yaml equivalent frontend.downstream_url, the query frontend defaults to a pull service.

Grafana Loki日志采集初探1. ... Query frontend是一个可选的服务，提供Querier组件的API端点，可以用来加速读取路径。当Query frontend就位后，传入的查询请求应该被定向到Query frontend，而不 …

21.09.2020 · query_frontend拆分查询请求是通过queryrange.split_queriers_by_interval决定的。如果将它设置为1h，query_frontend会将一天的查询分解为24个一小时的查询，将其分发给querier，然后将返回的数据再做日志聚合。 这在生产环境中非常有用，小白强烈建议开启。

Loki comes with its very own language for querying logs called LogQL. ... Almost zero dependencies setup schema_config Query Frontend 280 lines (230 sloc) ...

Like Prometheus, but for logs. Contribute to grafana/loki development by creating an account on GitHub.

Siavash Hello Community, I hope you are all safe. Siavash I've been trying to get Loki's query-frontend to work in GRPC ...

仅适用于即时日志查询 max_look_back_period: 60s # 配置 querier worker，采集并执行由 query-frontend 排队的查询 frontend_worker: frontend_address: "frontend-loki-grpc:9095" parallelism: 10 dns_lookup_duration: 30s grpc_client_config: max_recv_msg_size: 104857600 max_send_msg_size: 16777216 use_gzip_compression: false rate ...

Kubernetes Query Frontend Example. Disclaimer. This aims to be a general purpose example; there are a number of substitutions to make for it to work ...

Mar 15, 2022 · Query Frontend HA. Grafana Loki. welsonyy March 15, 2022, 10:12am #1. Hi All, According to frontend_worker_config configuration ( here ), we need to provide the “frontend_address”, but it only support one frontend, I wonder how to do the frontend HA and does reduce the worker.

The query is composed of: a log stream selector {container="query-frontend",namespace="loki-dev"} which targets the query-frontend container in the loki-dev namespace.

Query frontend 是可选组件，其提供了 Querier 的 API 并可用于读加速。 当系统中有该组件时，所有的读请求都会经由 Query frontend 而非 Querier 处理。 Query frontend 是无状态的，生产环境中推荐 2 副本来达到调度的均衡。 Query frontend 会对请求做一些调整，并将请求放入一个内部的队列中。 在该场景中，Querier 作为 workers 不断从队列中获取任务、执行任务，并将结果返回给 Query …

Kubernetes Query Frontend Example Disclaimer This aims to be a general purpose ... It's a common occurrence to start running Grafana Loki as a single binary ...

Hi. We have deployed Loki distributed (2.4.1) to Redhat Openshift on AWS. here is the current components as well as their replica and resources: Ingester: 3 pods, 600m CPU, 5Gi ram, and 10Gi storage each. distributor: 1 pod, 200m CPU, 700Mi ram. Querier: 2 pods, 1500m CPU, 5Gi ram, and 10Gi storage each. Query Frontend: 3 pods, 200m CPU, 500Mi RAM.

Nov 09, 2021 · Hello! I have faced with a problem when deploying loki-distributed chart. Apparently querier tries to connect to query-frontend and fails to resolve a grpc endpoint with the following error: "failed DNS SRV record lookup" err="lookup _gr...

1.4.3 Query frontend（查询前端） Query frontend是一个可选的服务，提供Querier组件的API端点，可以用来加速读取路径。当Query frontend就位后，传入的查询请求应该被定向到Query frontend，而不是Querier。为了执行实际的查询，在集群中仍然需要Querier组件。