[pgpool-general: 4275] Re: Pgpool - connection hangs in DISCARD ALL

Gerhard Wiesinger lists at wiesinger.com
Thu Dec 31 16:15:35 JST 2015


On 31.12.2015 08:07, Tatsuo Ishii wrote:
>> Great to hear. BTW: Would be great if you could tag ALL releases
>> (e.g. 3.4.3 is missing) and make also release branches in git. I think
>> that will make development easier.
> I think we have the tag for 3.4.3:
> http://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=2e7cb13706db48be0ceb3363a284823316aae0af
>
> Also we have "stable" branches for all stable releases. As for 3.4, we
> have a branch called "V3_4_STABLE". Isn't this what you want? This is
> pretty similar way as PostgreSQL uses.

Yes, sorry, TortoiseGit didn't show them, strange.

>> It worked now for 3 days well but today I still had the same
>> issue. Looks like the probability has been reduced, but not fixed in
>> all cases.
> [snip]
>> root 1349 0.0 0.1 94248 864 ?  S 00:13 0:01 pgpool: nag hei
>> 192.168.0.9(39886) DISCARD
> Yeah, looks like pgpool is hanging while executing DISCARD. Assuming
> you apply the fix in 3.4 stable tree, do you know how to reproduce the
> problem?

Yes, patch is applied. I verified it again on the RPM build directory.

No, I don't know how to reproduce. It just happens on a production 
machine. But I attached a detailed stack trace in the previous post.

Ciao,
Gerhard



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