commit | 082139a71d24cef4a0b632cb966a0e9b930e99ae | [log] [tgz] |
---|---|---|
author | Marco Miller <marco.miller@ericsson.com> | Mon Jun 17 15:00:35 2019 -0400 |
committer | Marco Miller <marco.miller@ericsson.com> | Tue Jun 18 14:33:49 2019 -0400 |
tree | 6d086445ed570008e4844e5ff3f1b20808952b01 | |
parent | 0fdb0da28ca4ce88b310ef009f8365383746b9cc [diff] |
Elasticsearch: Base the default number of shards on ES version Before Elasticsearch 7.0, the default number of shards was 5. Since version 6, there is a warning about that default number changing to 1 starting from 7.0.0. The related Issue 9768 first reported about it. Set the default number of shards to 1 starting with 7.0, to remove that index creation warning with V7, thus fit with what Elasticsearch 7.0+ expects. Stick to the previous default for versions earlier than 7, to not potentially jeopardize existing deployments based on ES 6 or 5. Making this value non-default requires a corresponding configuration change on the Elasticsearch server side. And changing the number of shards for the latter is a non-trivial procedure. [1] introduces that and is already part of the Gerrit documentation. [1] https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started-concepts.html#getting-started-shards-and-replicas Bug: Issue 10499 Change-Id: I9e91c471b48c4c4c893927c153a5661dfccc2bcb
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