Search Postgresql Archives

Re: wiki on monitoring locks has queries that don't seem to work

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Nov 25, 2013 at 1:47 PM, Jeff Janes <jeff.janes@xxxxxxxxx> wrote:
> On Mon, Nov 25, 2013 at 11:57 AM, Scott Marlowe <scott.marlowe@xxxxxxxxx>
> wrote:
>>
>> So I'm running 8.4 and go to this
>> page:http://wiki.postgresql.org/wiki/Lock_Monitoring
>>
>> I have a query that is definitely blocked by another query. I run the
>> first or third queries, the ones that explicitly say that they're for
>> <9.2 and neither produces any output. The third query gives me a list
>> of 182 rows, only a few of which are actually locked in any meaningful
>> ways.
>
>
> Those queries only find row-level locks, not object-level locks (as
> indicated).  I suspect that you are blocking on object-level locks. Maybe
> you will have better luck with
> http://wiki.postgresql.org/wiki/Lock_dependency_information.
>
>>
>>
>> Now if I run this query:
>>
>>  select relname,pg_locks.* from pg_class,pg_locks where
>> relfilenode=relation and not granted;
>>
>> I get the one row for the update / insert / delete that is getting
>> blocked.
>
>
> Can you show us that row?
>
>
> Cheers,
>
> Jeff

well it's gone now. it was a delete on sl_log_1 in slony. I'll wait
for it to happen again and can repost it. meanwhile I'll try the link
you posted. Thanks.

-- 
To understand recursion, one must first understand recursion.


-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux