RE: [Proposal] Add accumulated statistics for wait event

Yoshikazu Imai (Fujitsu) <imai.yoshikazu@fujitsu.com>

From: "imai.yoshikazu@fujitsu.com" <imai.yoshikazu@fujitsu.com>

To: "imai.yoshikazu@fujitsu.com" <imai.yoshikazu@fujitsu.com>

Cc: "'attic79@126.com'" <attic79@126.com>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>, Imai Yoshikazu <yoshikazu_i443@live.jp>

Date: 2020-02-25T07:53:26Z

Lists: pgsql-hackers

Attachments

0001-Add-pg_stat_waitaccum-view-v6.patch (application/octet-stream) patch v6-0001
0002-POC-Change-measuring-method-of-wait-event-time-fr-v6.patch (application/octet-stream) patch v6-0002

On Fri, Feb 14, 2020 at 11:59 AM, 王胜利 wrote: 
>        I am glad to know you are working on PG accumulated statistics feature, and I am interested on it.
>        I see these two patch file you made, can you let me know which branch of PG code based?
>
>        when I use this:  https://github.com/postgres/postgres/commits/master, and apply these patches, report some error.

Thanks for Wang's mail, I noticed my 0002 patch was wrong from v3.

Here, I attach correct patches.

Also I will begin to do some benchmark with higher scale and higher number of
users and try to change stats reporting implementation to not affect
performance, which I couldn't have not started because of another tasks.

--
Yoshikazu Imai