| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Using condition variables to wait for checkpoints |
| Date: | 2019-04-05 09:05:02 |
| Message-ID: | CA+hUKGJKbCd+_K+SEBsbHxVT60SG0ivWHHAdvL0bLTUt2xpA2w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 14, 2019 at 11:05 AM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> I renamed the CVs because the names I had used before broke the
> convention that variables named ckpt_* are protected by ckpt_lck, and
> pushed.
Erm... this made successful checkpoints slightly faster but failed
checkpoints infinitely slower. It would help if we woke up CV waiters
in the error path too. Patch attached.
--
Thomas Munro
https://enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Wake-up-interested-backends-when-a-checkpoint-fails.patch | text/x-patch | 1002 bytes |
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