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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
..
core De-incubation cleanup in code, docs, packaging (#9108) 2020-01-03 12:33:19 -05:00
i18n add SQL operators for bitwise expressions (#10823) 2021-02-18 20:56:33 -08:00
pages/en Docusaurus build framework + ingestion doc refresh. (#8311) 2019-08-20 21:48:59 -07:00
script Graduation update for ASF release process guide and download links (#9126) 2020-01-06 15:00:33 -06:00
scss fix website build (#10172) 2020-07-11 22:01:43 -07:00
static fix website build (#10172) 2020-07-11 22:01:43 -07:00
.gitignore Docusaurus build framework + ingestion doc refresh. (#8311) 2019-08-20 21:48:59 -07:00
.spelling prometheus metric exporter (#10412) 2021-03-09 14:37:31 -08:00
README.md Docusaurus build framework + ingestion doc refresh. (#8311) 2019-08-20 21:48:59 -07:00
package-lock.json Fix dependabot warnings (#10796) 2021-01-26 23:11:26 -08:00
package.json Druid Quickstart refactor and update (#9766) 2020-04-30 12:07:28 -07:00
pom.xml Bump dev version to 0.22.0-SNAPSHOT (#10759) 2021-01-15 13:16:23 -08:00
redirects.json fix website build (#10172) 2020-07-11 22:01:43 -07:00
sidebars.json refactor query caching docs (#10848) 2021-03-08 22:25:48 -08:00
siteConfig.js De-incubation cleanup in code, docs, packaging (#9108) 2020-01-03 12:33:19 -05:00

README.md

Druid doc builder

This website was created with Docusaurus.

To edit this documentation run:

npm install

Then run

npm start