4f6ad25b0d
Move pushes_since_gc to Redis ## What does this MR do? This moves tracking of the pushes since the last Git GC to Redis to reduce DB load. ## Are there points in the code the reviewer needs to double check? Styling mostly. ## Why was this MR needed? Updating this column can lead to a lot of writes which in turn puts a lot of load on table vacuuming. For example, in the last hour alone we had 5067 UPDATEs for this column (per InfluxDB): ``` > select count(increment_pushes_since_gc_call_count) from sidekiq_transactions where time > now() - 1h; name: sidekiq_transactions -------------------------- time count 1473780996567714622 5067 ``` ## What are the relevant issue numbers? https://gitlab.com/gitlab-org/gitlab-ce/issues/22125 See merge request !6326 |
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