| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Craig Ringer <craig(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Postgres, fsync, and OSs (specifically linux) |
| Date: | 2018-04-29 23:42:52 |
| Message-ID: | CAEepm=1k+-w_8cfr8eXWNx=7HUZzPqyzD-4CD3_=3OeDuParVg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Apr 30, 2018 at 11:02 AM, Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> MySQL: The default is still buffered
Someone pulled me up on this off-list: the default is buffered (fsync)
on Unix, but it's unbuffered on Windows. That's quite interesting.
https://dev.mysql.com/doc/refman/8.0/en/innodb-parameters.html#sysvar_innodb_flush_method
https://mariadb.com/kb/en/library/xtradbinnodb-server-system-variables/#innodb_flush_method
--
Thomas Munro
http://www.enterprisedb.com
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