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Commit12e6782

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> 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.Simon Riggs
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‎src/backend/postmaster/pgarch.c

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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.12 2004/11/18 17:13:38 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.13 2004/12/02 22:40:18 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#definePGARCH_AUTOWAKE_INTERVAL 60/* How often to force a poll of
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* the archive status directory;
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* in seconds. */
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#definePGARCH_RESTART_INTERVAL60/* How often to attempt to restart
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#definePGARCH_RESTART_INTERVAL10/* How often to attempt to restart
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* a failed archiver; in seconds. */
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/* ----------

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