From: | Jov <amutu(at)amutu(dot)com> |
---|---|
To: | Raghavendra <raghavendra(dot)rao(at)enterprisedb(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: stand by is starting until I do some work in the primary |
Date: | 2014-02-23 07:25:00 |
Message-ID: | CADyrUxONSh_CgWaUcjFKhov0bm0TGjq_joN7r8i=KJ6JKZXfLA@mail.gmail.com |
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Lists: | pgsql-general |
Sure.Before the restart,I have login in the slave many times.
some more info ,but I don't think related:
centOS 6 ,amd64,128GB memory,24 core, pgsql-9.3.3,master and slave in the
same host.
this is my first instance of 9.3,I don't exprence this before on 9.0~9.2.
Jov
blog: http:amutu.com/blog <http://amutu.com/blog>
2014-02-23 15:01 GMT+08:00 Raghavendra <raghavendra(dot)rao(at)enterprisedb(dot)com>:
>
>
> On Sun, Feb 23, 2014 at 12:18 PM, Jov <amutu(at)amutu(dot)com> wrote:
>
>> Today I reinstall a pg extension,then restart the primary and slave. the
>> primary is OK and I can login,and the pg_stat_replication view show the
>> slave is connected.
>> but when I try to login the slave,it shows:
>> FATAL:the database system is starting up
>>
>> I wait several minutes,but it still show the same error. and the primary
>> is no activities,the xlog dir in slave have only 2 WAL files,WAL receiver
>> is there and seams do nothing.I try to restart the slave several times,but
>> nothing help.I even try to use pg_xlogdump to analyze the 2 WAL files,but
>> find nothing abnormal.
>>
>> But,when I login to the primary,run:
>> create table xx as select * from big_table.
>>
>> It produce many WAL,and then the slave became normal and I can login.
>>
>> it is instresting.I always think that when the pg_stat_replication show
>> the slave there,it means the slave is OK and can be send read stmt.We have
>> some monitor use this and some udf get the alived slave for client read.Now
>> I find I'm wrong.
>>
>> Any comment?
>>
>>
> Hot_standby parameter should be turned on at slave postresql.conf, is that
> checked ?
>
> ---
> Regards,
> Raghavendra
> EnterpriseDB Corporation
> Blog: http://raghavt.blogspot.com/
>
>
>>
>> Jov
>> blog: http:amutu.com/blog <http://amutu.com/blog>
>>
>
>
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