Commit Graph

4 Commits

Author SHA1 Message Date
Frank Chen d57557d51d
Improve doc and configuration of prometheus emitter (#13028)
* Improve doc and validation

* Add configuration for peon tasks

* Update doc

* Update test case

* Fix typo

* Update docs/development/extensions-contrib/prometheus.md

Co-authored-by: Kashif Faraz <kashif.faraz@gmail.com>

* Update docs/development/extensions-contrib/prometheus.md

Co-authored-by: Kashif Faraz <kashif.faraz@gmail.com>

Co-authored-by: Kashif Faraz <kashif.faraz@gmail.com>
2022-09-09 02:20:34 +08:00
Jianhuan Liu d4403c15aa
Upgrade prometheus version, add more labels to PrometheusEmitter (#12769)
Changes:
- Upgrade prometheus to version 0.16.0
- Add optional labels `druid_service` and `host_name` to `PrometheusEmitter`
2022-07-15 14:43:12 +05:30
Clint Wylie ec334a641b
MySQL extension with MariaDB connector docs (#11608)
* add docs for mariadb support via mysql extensions

* add logging so you know what druid knows

* homogenize

* spelling

* missed a couple
2021-08-19 01:52:26 -07:00
Tianxin Zhao a57c28e9ce
prometheus metric exporter (#10412)
* prometheus-emitter

* use existing jetty server to expose prometheus collection endpoint

* unused variables

* better variable names

* removed unused dependencies

* more metric definitions

* reorganize

* use prometheus HTTPServer instead of hooking into Jetty server

* temporary empty help string

* temporary non-empty help.  fix incorrect dimension value in JSON (also updated statsd json)

* added full help text.  added metric conversion factor for timers that are not using seconds. Correct metric dimension name in documentation

* added documentation for prometheus emitter

* safety for invalid labelNames

* fix travis checks

* Unit test and better sanitization of metrics names and label values

* add precondition to check namespace against regex

* use precompiled regex

* remove static imports. fix metric types

* better docs. fix possible NPE in PrometheusEmitterConfig. Guard against multiple calls to PrometheusEmitter.start()

* Update regex for label-value replacements to allow internal numeric values.  Additional tests

* Adds missing license header
updates website/.spelling to add words used in prometheus-emitter docs.
updates docs/operations/metrics.md to correct the spelling of
bufferPoolName

* fixes version in extensions-contrib/prometheus-emitter

* fix style guide errors

* update import ordering

* add another word to website/.spelling

* remove unthrown declared exception

* remove unused import

* Pushgateway strategy for metrics

* typo

* Format fix and nullable strategy

* Update pom file for prometheus-emitter

* code review comments. Counter to gauge for cache metrics, periodical task to pushGateway

* Syntax fix

* Dimension label regex include numeric character back, fix previous commit

* bump prometheus-emitter pom dev version

* Remove scheduled task inside poen that push metrics

* Fix checkstyle

* Unit test coverage

* Unit test coverage

* Spelling

* Doc fix

* spelling

Co-authored-by: Michael Schiff <michael.schiff@tubemogul.com>
Co-authored-by: Michael Schiff <schiff.michael@gmail.com>
Co-authored-by: Tianxin Zhao <tianxin.zhao@tubemogul.com>
Co-authored-by: Tianxin Zhao <tizhao@adobe.com>
2021-03-09 14:37:31 -08:00