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Example of how to set slow logs dynamically per-index (#42384) 

* Example of how to set slow logs dynamically per-index

* Make _settings API example more explicit

Co-Authored-By: James Rodewig <james.rodewig@elastic.co>

* Add TEST directive to fix CI

Co-Authored-By: James Rodewig <james.rodewig@elastic.co>
This commit is contained in:
Luiz Guilherme Pais dos Santos 2019-06-21 10:24:33 -03:00 committed by James Rodewig
parent 4fe650c9e5
commit eeb1812510
1 changed files with 37 additions and 2 deletions
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39
docs/reference/index-modules/slowlog.asciidoc
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@ -26,7 +26,26 @@ index.search.slowlog.threshold.fetch.trace: 200ms
index.search.slowlog.level: info
--------------------------------------------------
All of the above settings are _dynamic_ and are set per-index.
All of the above settings are _dynamic_ and can be set for each index using the
<<indices-update-settings, update indices settings>> API. For example:
[source,js]
--------------------------------------------------
PUT /twitter/_settings
{
"index.search.slowlog.threshold.query.warn": "10s",
"index.search.slowlog.threshold.query.info": "5s",
"index.search.slowlog.threshold.query.debug": "2s",
"index.search.slowlog.threshold.query.trace": "500ms",
"index.search.slowlog.threshold.fetch.warn": "1s",
"index.search.slowlog.threshold.fetch.info": "800ms",
"index.search.slowlog.threshold.fetch.debug": "500ms",
"index.search.slowlog.threshold.fetch.trace": "200ms",
"index.search.slowlog.level": "info"
}
--------------------------------------------------
// CONSOLE
// TEST[setup:twitter]
By default, none are enabled (set to `-1`). Levels (`warn`, `info`,
`debug`, `trace`) allow to control under which logging level the log
@ -83,7 +102,23 @@ index.indexing.slowlog.level: info
index.indexing.slowlog.source: 1000
--------------------------------------------------
All of the above settings are _dynamic_ and are set per-index.
All of the above settings are _dynamic_ and can be set for each index using the
<<indices-update-settings, update indices settings>> API. For example:
[source,js]
--------------------------------------------------
PUT /twitter/_settings
{
"index.indexing.slowlog.threshold.index.warn": "10s",
"index.indexing.slowlog.threshold.index.info": "5s",
"index.indexing.slowlog.threshold.index.debug": "2s",
"index.indexing.slowlog.threshold.index.trace": "500ms",
"index.indexing.slowlog.level": "info",
"index.indexing.slowlog.source": "1000"
}
--------------------------------------------------
// CONSOLE
// TEST[setup:twitter]
By default Elasticsearch will log the first 1000 characters of the _source in
the slowlog. You can change that with `index.indexing.slowlog.source`. Setting