Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL

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От Fujii Masao
Тема Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL
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Msg-id 3f0b79eb1003240636y6ba3d739idc4555f88c98e32e@mail.gmail.com
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Ответ на Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL  (Fujii Masao <masao.fujii@gmail.com>)
Ответы Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Список pgsql-hackers
On Wed, Mar 24, 2010 at 10:20 PM, Fujii Masao <masao.fujii@gmail.com> wrote:
>> Thanks. That's easily fixable (applies over the previous patch):
>>
>> --- a/src/backend/access/transam/xlog.c
>> +++ b/src/backend/access/transam/xlog.c
>> @@ -3773,7 +3773,7 @@ retry:
>>                pagelsn.xrecoff = 0;
>>            }
>>            /* Wait for the next page to become available */
>> -           if (!XLogPageRead(&pagelsn, emode, false, false))
>> +           if (!XLogPageRead(&pagelsn, emode_arg, false, false))
>>                return NULL;
>>
>>            /* Check that the continuation record looks valid */
>
> Seems correct.

On second thought, the following lines seem to be necessary just after
calling XLogPageRead() since it reads new WAL file from another source.

>    if (readSource == XLOG_FROM_STREAM || readSource == XLOG_FROM_ARCHIVE)
>        emode = PANIC;
>    else
>        emode = emode_arg;

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


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