KÖPFERL Robert <robert.koepferl@sonorys.at> writes:
> Thus I run VACUUM ANALYZE; every night by cron. However I keep getting
> ERROR: tuple concurrently updated
Have you got other processes also doing VACUUM ANALYZE? The only known
reason for this to happen is that two processes concurrently ANALYZE the
same table and conflict when they both try to update the same
pg_statistic rows.
regards, tom lane