From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | "K, Niranjan (NSN - IN/Bangalore)" <niranjan(dot)k(at)nsn(dot)com> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Synch Replication |
Date: | 2009-02-06 02:49:56 |
Message-ID: | 3f0b79eb0902051849wf5395d0m7a5b815cca4d5f2b@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi Niranjan,
On Thu, Feb 5, 2009 at 10:50 PM, K, Niranjan (NSN - IN/Bangalore)
<niranjan(dot)k(at)nsn(dot)com> wrote:
>> I changed the code to dump all messages for replication, so
>> please try it and report the result. The messages which the
>> standby server receives are logged in the file (*1). Please
>> send also that file.
>>
>> (*1) <installation_directory>/sbydata/walreceiver_trace.out
>
> Refer attachments.
Thanks for interesting results!
According to the logs, walreceiver receives 'c' message (which is invalid
for walreceiver) though walsender doesn't send it. So, next, I should
diagnose more carefully the messages between those processes.
Please test synch-rep again and report the following information.
* server log
* walreceiver_trace.out
* netstat -nap (before and after replication crashes)
* tcpdump -i lo -n tcp
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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