Expand segment sorter for all timeseries indices#78639
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mayya-sharipova merged 4 commits intoelastic:masterfrom Oct 5, 2021
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Expand segment sorter for all timeseries indices#78639mayya-sharipova merged 4 commits intoelastic:masterfrom
mayya-sharipova merged 4 commits intoelastic:masterfrom
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PR elastic#75195 added segment sorter on @timestamp desc for datastream indices. This PR applies segment sorter to all indices that have @timestamp field. The presence of @timestamp field can serve as a strong indication that we are dealing with timeseries indices. The most common type of query for timeseries indices is to get the latest data, that is data sorted by @timestamp desc. This PR sorts segments by @timestamp desc which allows to speed up this kind of queries. Relates to elastic#75195
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Pinging @elastic/es-search (Team:Search) |
jimczi
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Thanks @mayya-sharipova. I left one minor comment.
server/src/main/java/org/elasticsearch/cluster/metadata/DataStream.java
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server/src/main/java/org/elasticsearch/index/mapper/MappingLookup.java
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server/src/main/java/org/elasticsearch/index/shard/IndexShard.java
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@jimczi Thanks for the review, can you please continue to review when you have time |
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@elasticmachine run elasticsearch-ci/part-2 |
mayya-sharipova
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PR elastic#75195 added segment sorter on @timestamp desc for datastream indices. This PR applies segment sorter to all indices that have @timestamp field. The presence of @timestamp field can serve as a strong indication that we are dealing with timeseries indices. The most common type of query for timeseries indices is to get the latest data, that is data sorted by @timestamp desc. This PR sorts segments by @timestamp desc which allows to speed up this kind of queries. Backport for elastic#78639 Relates to elastic#75195
mayya-sharipova
added a commit
that referenced
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Oct 5, 2021
PR #75195 added segment sorter on @timestamp desc for datastream indices. This PR applies segment sorter to all indices that have @timestamp field. The presence of @timestamp field can serve as a strong indication that we are dealing with timeseries indices. The most common type of query for timeseries indices is to get the latest data, that is data sorted by @timestamp desc. This PR sorts segments by @timestamp desc which allows to speed up this kind of queries. Backport for #78639 Relates to #75195
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PR #75195 added segment sorter on @timestamp desc for datastream indices.
This PR applies segment sorter to all indices that have @timestamp
field.
The presence of @timestamp field can serve as a strong
indication that we are dealing with timeseries indices. The most
common type of query for timeseries indices is to get the latest data,
that is data sorted by @timestamp desc. This PR sorts segments
by @timestamp desc which allows to speed up this kind of queries.
Relates to #75195