Make PostmasterIsAlive() go faster with signals

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Title Make PostmasterIsAlive() go faster with signals
Topic Performance
Created 2018-04-18 05:52:53
Last modified 2018-04-18 05:53:01 (1 month, 1 week ago)
Latest email 2018-04-25 06:23:26 (1 month ago)
Status
2018-09: Needs review
Authors Thomas Munro (macdice)
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Excessive PostmasterIsAlive calls slow down WAL redo
First at 2018-04-05 07:23:43 by Heikki Linnakangas <hlinnaka at iki.fi>
Latest at 2018-04-25 06:23:26 by Thomas Munro <thomas.munro at enterprisedb.com>
Latest attachment (0001-Use-signals-for-postmaster-death-on-Linux-v4.patch) at 2018-04-25 06:23:26 from Thomas Munro <thomas.munro at enterprisedb.com>
    Attachment (0001-Use-signals-for-postmaster-death-on-Linux-v4.patch) at 2018-04-25 06:23:26 from Thomas Munro <thomas.munro at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Use-signals-for-postmaster-death-on-Linux-v3.patch) at 2018-04-21 00:25:27 from Thomas Munro <thomas.munro at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Use-signals-for-postmaster-death-on-Linux-v2.patch) at 2018-04-19 03:05:50 from Thomas Munro <thomas.munro at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Use-signals-for-postmaster-death-detection-on-Linux.patch) at 2018-04-18 05:04:17 from Thomas Munro <thomas.munro at enterprisedb.com> (Patch: Yes)
    Attachment (0001-Call-HandleStartupProcInterrupts-less-frequently-in-.patch) at 2018-04-05 07:23:43 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
History
When Who What
2018-04-18 05:53:01 Thomas Munro (macdice) Changed authors to Thomas Munro (macdice)
2018-04-18 05:52:53 Thomas Munro (macdice) Attached mail thread 7261eb39-0369-f2f4-1bb5-62f3b6083b5e@iki.fi
2018-04-18 05:52:53 Thomas Munro (macdice) Created patch record
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