Re: SimpleLruTruncate() mutual exclusion
От | Dmitry Dolgov |
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Тема | Re: SimpleLruTruncate() mutual exclusion |
Дата | |
Msg-id | 20200130153433.6gvgm723lzpgiogh@localhost обсуждение исходный текст |
Ответ на | Re: SimpleLruTruncate() mutual exclusion (Noah Misch <noah@leadboat.com>) |
Ответы |
Re: SimpleLruTruncate() mutual exclusion
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Список | pgsql-hackers |
> On Sun, Nov 17, 2019 at 10:14:26PM -0800, Noah Misch wrote: > > > I'm probably missing something, so just wanted to clarify. Do I > > understand correctly, that thread [1] and this one are independent, and > > it is assumed in the scenario above that we're at the end of XID space, > > but not necessarily having rounding issues? I'm a bit confused, since > > the reproduce script does something about cutoffPage, and I'm not sure > > if it's important or not. > > I think the repro recipe contained an early fix for the other thread's bug. > While they're independent in principle, I likely never reproduced this bug > without having a fix in place for the other thread's bug. The bug in the > other thread was easier to hit. Just to clarify, since the CF item for this patch was withdrawn recently. Does it mean that eventually the thread [1] covers this one too? [1]: https://www.postgresql.org/message-id/flat/20190202083822.GC32531%40gust.leadboat.com
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