From: | Kuntal Ghosh <kuntalghosh(dot)2007(at)gmail(dot)com> |
---|---|
To: | Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> |
Cc: | Beena Emerson <memissemerson(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: increasing the default WAL segment size |
Date: | 2017-02-28 04:50:18 |
Message-ID: | CAGz5QCLE5vs8pk-DhNno_bgYQ9Jn8AQHjNiT33x9m8k3XsRXDA@mail.gmail.com |
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On Tue, Feb 28, 2017 at 9:45 AM, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> wrote:
> On 2/24/17 6:30 AM, Kuntal Ghosh wrote:
>>
>> * You're considering any WAL file with a power of 2 as valid. Suppose,
>> the correct WAL seg size is 64mb. For some reason, the server
>> generated a 16mb invalid WAL file(maybe it crashed while creating the
>> WAL file). Your code seems to treat this as a valid file which I think
>> is incorrect. Do you agree with that?
>
>
> Detecting correct WAL size based on the size of a random WAL file seems like
> a really bad idea to me.
+1
--
Thanks & Regards,
Kuntal Ghosh
EnterpriseDB: http://www.enterprisedb.com
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