Make PostmasterIsAlive() go faster with signals

Title

Topic

Performance

Created

2018-04-18 05:52:53

Last modified

2018-07-11 01:19:14 (6 years, 4 months ago)

Latest email

2018-07-11 08:10:14 (6 years, 4 months ago)

Status

2018-07: Committed

Target version

Authors

Thomas Munro (macdice)

Reviewers

Heikki Linnakangas (heikki)Become reviewer

Committer

Thomas Munro (macdice)

Links

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/1617
git checkout commitfest/cf/1617

Emails

Excessive PostmasterIsAlive calls slow down WAL redo: First at 2018-04-05 07:23:43 by Heikki Linnakangas <hlinnaka at iki.fi>
Latest at 2018-07-11 08:10:14 by Heikki Linnakangas <hlinnaka at iki.fi>
Latest attachment (0001-Use-signals-for-postmaster-death-on-Linux-2.patch) at 2018-07-10 11:39:38 from Heikki Linnakangas <hlinnaka at iki.fi>
    Attachment (0001-Use-signals-for-postmaster-death-on-Linux-2.patch) at 2018-07-10 11:39:38 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
    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
2018-07-11 01:19:14	Thomas Munro (macdice)	Closed in commitfest 2018-07 with status: Committed
2018-07-11 01:19:14	Thomas Munro (macdice)	Changed committer to macdice
2018-07-10 11:40:23	Heikki Linnakangas (heikki)	New status: Waiting on Author
2018-07-10 11:40:18	Heikki Linnakangas (heikki)	Added heikki as reviewer
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