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1. zunda ? nはおまけ :green_dango: (zundan@mastodon.zunda.ninja@mastodon.zunda.ninja)'s status on Wednesday, 13-Feb-2019 10:15:53 JST zunda ? nはおまけ :green_dango:

   > As dead tuples continue to accumulate in the index, Postgres enters a hot loop as it searches the B-tree, comes up with an invisible tuple, and repeats the process again and again, surfacing empty-handed every time.

   Postgres Job Queues & Failure By MVCC https://brandur.org/postgres-queues