Re: [PERFORM] too many clog files

2008-09-07 Thread Duan Ligong
ms that vacuum could not delete old clog files at all. My configurations are as follows: - - - - tcpip_socket = true max_connections = 500 port = 5432 shared_buffers = 1000 syslog = 2 log_min_messages = fatal #others are default values. - - - - Thanks Duan > Duan Ligong wrote: > > >

Re: [PERFORM] too many clog files

2008-09-07 Thread Duan Ligong
ust killing the processes? #It seems that the 7 rows are caused by logining db and executing the select clause. and they are not long-running transactions, aren't they? because the procpid changes when I logout and login again. Thanks Duan > --- On Thu, 9/4/08, Duan Ligong <[EMAIL

Re: [PERFORM] too many clog files

2008-09-04 Thread Duan Ligong
Thanks for your reply. Greg wrote: > On Tue, 2 Sep 2008, Duan Ligong wrote: > > - Does Vacuum delete the old clog files? > > Yes, if those transactions are all done. One possibility here is that > you've got some really long-running transaction floating around that is

Re: [PERFORM] too many clog files

2008-09-01 Thread Duan Ligong
Alvaro Herrera wrote: > > Duan Ligong wrote: > > I have encountered an issue that there are too many > > clog file under the .../pg_clog/ directory. Some of them > > were even produced one month ago. > > If you're going to repost a question, it is only po

[PERFORM] too many clog files

2008-09-01 Thread Duan Ligong
Hi, there. I have encountered an issue that there are too many clog file under the .../pg_clog/ directory. Some of them were even produced one month ago. My questions: - Does Vacuum delete the old clog files? - Can we controll the maximum number of the clog files? - When, or in what case is a

Re: [PERFORM] control the number of clog files and xlog files

2008-08-27 Thread Duan Ligong
ed by external programs? Best regards Duan > -- > Alvaro Herrerahttp://www.CommandPrompt.com/ > The PostgreSQL Company - Command Prompt, Inc. > > -- > Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) > To make ch

[PERFORM] control the number of clog files and xlog files

2008-08-26 Thread Duan Ligong
Hi, Would you like to be so kind as to answer the following questions: - Is there any way to control the number of clog files and xlog files? I encounter an issue that there are too many clog files under the pg_clog/ directory which occupy more space than I can endure.. - What determines the