From: | John R Pierce <pierce(at)hogranch(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Replication/cloning: rsync vs modification dates? |
Date: | 2012-07-16 22:03:26 |
Message-ID: | 50048FAE.1060404@hogranch.com |
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Lists: | pgsql-general |
On 07/16/12 2:42 PM, Chris Angelico wrote:
> On Tue, Jul 17, 2012 at 4:35 AM, Sergey Konoplev
> <sergey(dot)konoplev(at)postgresql-consulting(dot)com> wrote:
>> >I wonder if it is correct in general to use mtime and size to perform
>> >these checks from the point of view of PostgreSQL.
>> >
>> >If it works with the current version then is there a guaranty that it
>> >will work with the future versions?
> That was my exact question. Ideally, I'd like to hear from someone who
> works with the Postgres internals, but the question may not even be
> possible to answer.
as much as anything else, this is dependent on your OS properly updating
mtime on an open file that's getting random writes.
--
john r pierce N 37, W 122
santa cruz ca mid-left coast
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