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| author | Alex Groleau <agroleau@gitlab.com> | 2019-08-27 12:41:39 -0400 |
|---|---|---|
| committer | Alex Groleau <agroleau@gitlab.com> | 2019-08-27 12:41:39 -0400 |
| commit | aa01f092829facd1044ad02f334422b7dbdc8b0e (patch) | |
| tree | a754bf2497820432df7da0f2108bb7527a8dd7b8 /doc/development/hash_indexes.md | |
| parent | a1d9c9994a9a4d79b824c3fd9322688303ac8b03 (diff) | |
| parent | 6b10779053ff4233c7a64c5ab57754fce63f6710 (diff) | |
| download | gitlab-ce-runner-metrics-extractor.tar.gz | |
Merge branch 'master' of gitlab_gitlab:gitlab-org/gitlab-cerunner-metrics-extractor
Diffstat (limited to 'doc/development/hash_indexes.md')
| -rw-r--r-- | doc/development/hash_indexes.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/development/hash_indexes.md b/doc/development/hash_indexes.md index e6c1b3590b1..417ea18e22f 100644 --- a/doc/development/hash_indexes.md +++ b/doc/development/hash_indexes.md @@ -1,6 +1,6 @@ # Hash Indexes -Both PostgreSQL and MySQL support hash indexes besides the regular btree +PostgreSQL supports hash indexes besides the regular btree indexes. Hash indexes however are to be avoided at all costs. While they may _sometimes_ provide better performance the cost of rehashing can be very high. More importantly: at least until PostgreSQL 10.0 hash indexes are not |