Mon Aug 29 06:25:17 PDT 2005
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Hello list, I have been using slony-1.0.5 for a simple one master one slave replication setup quite stably for some time with postgresql-7.4.7 on both sides. A week ago, I move the database to another machine and made the necessary modification to slon configuration and the system runs smoothly for a while. However, when today I checked the master node, I find a bunch of slon processes instead of one, which is the number I usually find. Is it normal for slon to start more than one processes for this setting? I don't think so, but what's the reason that suddenly so many processes come up? And more importantly, is my replication still running correctly now? Though sl_status indicates that there is no lag between the master and slave, I am still worring about the new phenomena. I started slon on the master node with: ws2:~# slon slontest "dbname=homelister host=localhost user=postgres" >master.log 2>&1 & And after that with 'ps -Af | grep slon', I got: ws2:~# ps -Af | grep slon root 6654 3121 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6656 6654 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6657 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6658 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6660 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6661 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6662 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6663 6656 0 12:56 pts/2 00:00:00 slon slontest dbname=homelister host=localhost user=postgres root 6851 4307 0 13:20 pts/7 00:00:00 grep slon How can I find out what is going on and whether any corrective measures are necessary? Thanks for assistance! -- HONG Yuan ????????? http://www.homemaster.cn
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