Robert Haas wrote:
>> I believe that user could get GIN's error about work_mem only intentionally:
>> - turn off autovacuum
> Meanwhile, in the other thread, we're having a discussion about people
> wanting to do exactly this on a database-wide basis during peak load
> hours...
>> - decrease work_mem for at least ten times
>> - execute query
> Why would the new work_mem need to be 10x smaller than the old work mem?
That is is way to get GIN's error emitted. Work_mem should be decreased
to catch a chance to get lossy tidbitmap.