YAMAMOTO Takashi <y...@mwd.biglobe.ne.jp> wrote: > LOG: could not truncate directory "pg_serial": apparent > wraparound Did you get a warning with this text?: memory for serializable conflict tracking is nearly exhausted If not, there's some sort of cleanup bug to fix in the predicate locking's use of SLRU. It may be benign, but we won't really know until we find it. I'm investigating. -Kevin
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