| 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 08:40:22 |
| Message-ID: | 3f0b79eb0902060040r13865421s89354ff0b254dd06@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi,
On Fri, Feb 6, 2009 at 2:14 PM, K, Niranjan (NSN - IN/Bangalore)
<niranjan(dot)k(at)nsn(dot)com> wrote:
> Hi,
>
>> * server log
>> * walreceiver_trace.out
>> * netstat -nap (before and after replication crashes)
>> * tcpdump -i lo -n tcp
>>
> In addition to the requested logs, I have provided the network interface
> information.
Your tcpdump.log shows that walsender doesn't send any invalid messages,
but walreceiver seems to receive it. So, I suspect libpq functions which
walreceiver uses as the cause of the trouble. I changed synch-rep to dump
all the behaviors of those libpq functions.
Please retry new synch-rep code and report the following information.
* server log
* <installation_directory>/sbydata/walreceiver_trace.out
* tcpdump -i lo -n tcp
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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