Add a soft limit for the number of requested doc-value fields #26574
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cbuescher
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Seems fine to me, especially for a soft limit. |
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jpountz
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Sep 11, 2017
Requesting to many docvalue_fields in a search request can potentially be costly because it might incur a per-field per-document seek. This change introduces a soft limit on the number of fields that can be retrieved. The setting can be changed per index using the `index.max_docvalue_fields_search` setting. Relates to elastic#26390
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nik9000
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| * doc values might incur a per-field per-document seek. | ||
| */ | ||
| public static final Setting<Integer> MAX_DOCVALUE_FIELDS_SEARCH_SETTING = | ||
| Setting.intSetting("index.max_docvalue_fields_search", 100, 1, Property.Dynamic, Property.IndexScope); |
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I think 0 is a good minimum value.
| int maxAllowedDocvalueFields = context.mapperService().getIndexSettings().getMaxDocvalueFields(); | ||
| if (source.docValueFields().size() > maxAllowedDocvalueFields) { | ||
| throw new IllegalArgumentException( | ||
| "Trying to retrieve too many docvalue_fields. " + "Must be less than or equal to: [" + maxAllowedDocvalueFields |
cbuescher
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Requesting to many docvalue_fields in a search request can potentially be costly because it might incur a per-field per-document seek. This change introduces a soft limit on the number of fields that can be retrieved. The setting can be changed per index using the `index.max_docvalue_fields_search` setting. Relates to #26390
cbuescher
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Requesting to many docvalue_fields in a search request can potentially be costly because it might incur a per-field per-document seek. This change introduces a soft limit on the number of fields that can be retrieved. The setting can be changed per index using the `index.max_docvalue_fields_search` setting. Relates to #26390
cbuescher
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Sep 13, 2017
After backporting the related change to the 6.x branches, this test can now also be run in a mixed cluster. Relates to #26574
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* master: (21 commits) Ensure module is bundled before installing in tests Add boolean similarity to built in similarity types (elastic#26613) [Tests] Remove skip tests in search/30_limits.yml Let search phases override max concurrent requests Add a soft limit for the number of requested doc-value fields (elastic#26574) Support for accessing Azure repositories through a proxy (elastic#23518) Add beta tag to MSI Windows Installer (elastic#26616) Fix Lucene version of 5.6.1. Remove azure deprecated settings (elastic#26099) Handle the 5.6.0 release Allow plugins to validate cluster-state on join (elastic#26595) Remove index mapper dynamic settings (elastic#25734) update AWS SDK for ECS Task IAM support in discovery-ec2 (elastic#26479) Azure repository: Accelerate the listing of files (used in delete snapshot) (elastic#25710) Build: Remove norelease from forbidden patterns (elastic#26592) Fix reference to painless inside expression engine (elastic#26528) Build: Move javadoc linking to root build.gradle (elastic#26529) Test: Remove leftover static bwc test case (elastic#26584) Docs: Remove remaining references to file and native scripts (elastic#26580) Snapshot fallback should consider build.snapshot ...
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* master: (39 commits) [Docs] Correct typo in removal_of_types.asciidoc (elastic#26646) [Docs] "The the" is a great band, but ... (elastic#26644) Move all repository-azure classes under one single package (elastic#26624) [Docs] Update link in removal_of_types.asciidoc (elastic#26614) Fix percolator highlight sub fetch phase to not highlight query twice (elastic#26622) Refactor bootstrap check results and error messages Add BootstrapContext to expose settings and recovered state to bootstrap checks (elastic#26628) [Tests] Removing skipping tests in search rest tests Initialize checkpoint tracker with allocation ID Move non-core mappers to a module. (elastic#26549) [Docs] Clarify size parameter in Completion Suggester doc (elastic#26617) Add soft limit on allowed number of script fields in request (elastic#26598) Remove MapperService#dynamic. (elastic#26603) Fix incomplete sentences in parent-join docs (elastic#26623) More efficient encoding of range fields. (elastic#26470) Ensure module is bundled before installing in tests Add boolean similarity to built in similarity types (elastic#26613) [Tests] Remove skip tests in search/30_limits.yml Let search phases override max concurrent requests Add a soft limit for the number of requested doc-value fields (elastic#26574) ...
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Requesting to many docvalue_fields in a search request can potentially be costly
because it might incur a per-field per-document seek. This change introduces a
soft limit on the number of fields that can be retrieved. The setting can be
changed per index using the
index.max_docvalue_fields_searchsetting.Relates to #26390