| From: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> |
| Cc: | Yugo NAGATA <nagata(at)sraoss(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Avoid stuck of pbgench due to skipped transactions |
| Date: | 2021-09-07 09:24:39 |
| Message-ID: | alpine.DEB.2.22.394.2109071121360.56739@pseudo |
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| Thread: | |
| Lists: | pgsql-hackers |
Hello Fujii-san,
> Stop counting skipped transactions under -T as soon as the timer is
> exceeded. Because otherwise it can take a very long time to count all of
> them especially when quite a lot of them happen with unrealistically
> high rate setting in -R, which would prevent pgbench from ending
> immediately. Because of this behavior, note that there is no guarantee
> that all skipped transactions are counted under -T though there is under
> -t. This is OK in practice because it's very unlikely to happen with
> realistic setting.
Ok, I find this text quite clear.
> One question is; which version do we want to back-patch to?
If we consider it a "very minor bug fix" which is triggered by somehow
unrealistic options, so I'd say 14 & dev, or possibly only dev.
--
Fabien.
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