Thu Feb 5 12:25:35 PST 2015
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On Thu, Feb 5, 2015 at 11:41 AM, Steve Singer <ssinger at ca.afilias.info> wrote: > On 02/05/2015 02:03 PM, Tory M Blue wrote: > >> >> >> On Thu, Feb 5, 2015 at 10:45 AM, Steve Singer <ssinger at ca.afilias.info >> <mailto:ssinger at ca.afilias.info>> wrote: >> >> On 02/05/2015 01:41 PM, Tory M Blue wrote: >> >> >> >> >> > Your looking for long running transactions not queries. > > What does this give you? > > select state,min(xact_start) from pg_stat_activity group by state ; > state | min --------+------------------------------- active | 2015-02-05 12:14:13.445753-08 idle | (2 rows) > > and what is > select txid_current_snapshot( txid_current_snapshot ------------------------------- 460123733:460124165:460123733 (1 row) I didn't see anything in the pg_stat table that was not a current job, or a job that had been running for any length of time.. I went ahead and manually truncated sl_log_1 , the next log switch worked just fine, and the following truncate of sl_log_2 worked automatically as well. I think this has something to do with the size of the table, and the fact that sync events were taking 5-9 seconds each. Maybe, the truncate was being blocked based on those events? I did some checking and I felt secure that all events in sl_log_1 were in fact sync'd/replicated. I can't tell you what was locking that table however. But as of right now I seem to be in a good state I based the commands off this thread/site http://venublog.com/2012/03/12/postgresql-slony-replication-lag-manual-log-tables-cleanup/ older version but since I was not doing a delete and following the truncate that 2.2 uses, felt I was in okay shape to go behind the curtains and try to shake slon loose. Thanks Steve! Tory -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.slony.info/pipermail/slony1-general/attachments/20150205/5a885f94/attachment.htm
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