Re: Excessive PostmasterIsAlive calls slow down WAL redo

From:	Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
To:	Andres Freund <andres(at)anarazel(dot)de>
Cc:	Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: Excessive PostmasterIsAlive calls slow down WAL redo
Date:	2018-04-21 00:25:27
Message-ID:	CAEepm=1DXugViYteokOvTt-0PhzfVEw1E=c=dEN9p7BZSaQQkg@mail.gmail.com
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Thread:	2018-04-05 07:23:43 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi> 📎  2018-04-05 13:42:37 from Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>  2018-04-05 13:50:24 from Simon Riggs <simon(at)2ndquadrant(dot)com>  2018-04-05 18:27:58 from Andres Freund <andres(at)anarazel(dot)de>   2018-04-05 18:39:27 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>    2018-04-05 19:20:38 from Andres Freund <andres(at)anarazel(dot)de>     2018-04-06 11:39:28 from Stephen Frost <sfrost(at)snowman(dot)net>      2018-04-06 16:39:29 from Andres Freund <andres(at)anarazel(dot)de>       2018-04-06 17:09:30 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi>        2018-04-06 19:09:52 from Stephen Frost <sfrost(at)snowman(dot)net>     2018-04-10 00:53:30 from Andres Freund <andres(at)anarazel(dot)de>      2018-04-10 01:31:07 from Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>       2018-04-10 01:34:31 from Andres Freund <andres(at)anarazel(dot)de>        2018-04-10 01:57:23 from Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>         2018-04-10 01:59:04 from Andres Freund <andres(at)anarazel(dot)de>      2018-04-10 01:36:19 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>       2018-04-10 01:40:37 from Andres Freund <andres(at)anarazel(dot)de>       2018-04-11 10:22:28 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi>        2018-04-11 10:55:58 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>        2018-04-18 05:04:17 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> 📎         2018-04-19 03:05:50 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> 📎          2018-04-19 06:20:33 from Andres Freund <andres(at)anarazel(dot)de>           2018-04-19 07:34:46 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>            2018-04-21 00:25:27 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> 📎             2018-04-24 07:37:40 from Michael Paquier <michael(at)paquier(dot)xyz>              2018-04-25 06:23:26 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> 📎               2018-06-27 05:26:39 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>                2018-07-10 11:39:38 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi> 📎                 2018-07-11 01:16:31 from Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>                  2018-07-11 08:10:14 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi>    2018-04-06 05:08:36 from Michael Paquier <michael(at)paquier(dot)xyz>
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Attachment	Content-Type	Size
0001-Use-signals-for-postmaster-death-on-Linux-v3.patch	application/octet-stream	8.4 KB
0002-Use-signals-for-postmaster-death-on-FreeBSD-v3.patch	application/octet-stream	4.9 KB

In response to

• Re: Excessive PostmasterIsAlive calls slow down WAL redo at 2018-04-19 07:34:46 from Thomas Munro

Responses

• Re: Excessive PostmasterIsAlive calls slow down WAL redo at 2018-04-24 07:37:40 from Michael Paquier

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