Re: Archiver restart timer
| От | Simon Riggs |
|---|---|
| Тема | Re: Archiver restart timer |
| Дата | |
| Msg-id | 1101109584.2869.86.camel@localhost.localdomain обсуждение исходный текст |
| Ответ на | Archiver restart timer (Simon Riggs <simon@2ndquadrant.com>) |
| Ответы |
Re: Archiver restart timer
|
| Список | pgsql-patches |
On Sun, 2004-11-21 at 23:07, Simon Riggs wrote: > I enclose a short patch to reduce the PGARCH_RESTART_INTERVAL from 60 > seconds to 10 seconds. The original number was plucked from thin air > some months ago, and I'd like to review that now based upon further > thought, observation and experience. > > This change has little or no effect on performance, since the interval > is there mainly to avoid repeated respawn attempts if archiver fails at > startup. Archiver start-up time is very quick, so there is little danger > of exceeding 10 seconds. > > On a busy system, if the archiver does die, then many files can build up > in the 60 seconds before respawning. That xlog file backlog could take > some time to clear. This then leaves a larger than normal window of data > loss for a possibly long period. > > It's a minor change only, with no other effect on function. ...and now for the diff -c version.... ;-) -- Best Regards, Simon Riggs
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