| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, 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: | 2018-04-18 05:04:17 |
| Message-ID: | CAEepm=3a_FmO4K7tySFgUq+3RK-tuWYbT_mxf0eEC19tcY+hTA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Apr 11, 2018 at 10:22 PM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>> On Tue, Apr 10, 2018 at 12:53 PM, Andres Freund <andres(at)anarazel(dot)de>
>> wrote:
>>> That person said he'd work on adding an equivalent of linux'
>>> prctl(PR_SET_PDEATHSIG) to FreeBSD.
Here is an implementation of Andres's idea for Linux, and also for
patched FreeBSD (for later if/when that lands). Do you think this
makes sense Heikki? I am planning to add this to the next CF.
--
Thomas Munro
http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Use-signals-for-postmaster-death-detection-on-Linux.patch | application/octet-stream | 8.5 KB |
| 0002-Use-signals-for-postmaster-death-detection-on-FreeBS.patch | application/octet-stream | 4.7 KB |
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