[IMP] queue_job_batch: improve perf#932
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hoangtrann wants to merge 1 commit intoOCA:18.0from
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In an instance with a lot of queue jobs, lacking index on
job_batch_idand properread_groupon job batch can lead to full seq scan on db and cause performance degrade.Before the changes, on a local database with roughly 100k rows and 10% of it having
job_batch_id_compute_job_countOn a production database where the performance issue occurs, the time it takes to execute the query is actually much worst