Re: BUG #16104: Invalid DSA Memory Alloc Request in Parallel Hash
От | Tomas Vondra |
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Тема | Re: BUG #16104: Invalid DSA Memory Alloc Request in Parallel Hash |
Дата | |
Msg-id | 20191214133912.effa4k2pwjnmplej@development обсуждение исходный текст |
Ответ на | Re: BUG #16104: Invalid DSA Memory Alloc Request in Parallel Hash (Thomas Munro <thomas.munro@gmail.com>) |
Ответы |
Re: BUG #16104: Invalid DSA Memory Alloc Request in Parallel Hash
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Список | pgsql-bugs |
On Sat, Dec 14, 2019 at 05:01:05PM +1300, Thomas Munro wrote: >On Wed, Dec 11, 2019 at 6:32 AM Tomas Vondra ><tomas.vondra@2ndquadrant.com> wrote: >> The annoying thing is that it's the workers that crash, and the leader >> failed to notice that, so it was waiting in WaitForParallelWorkersToExit >> forever. Not sure what the issue is. > >That's bad. Some edge case in >WaitForBackgroundWorkerShutdown()/GetBackgroundWorkerPid() that is >b0rked perhaps? Can you reproduce it, and tell us what the stack >looks like, maybe on a new thread? Sure. I'll try reproducing it and get this extra info. I was planning to do that, but then I lost the data for the report because of a silly mistake. Early next week, hopefully. regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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