Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-11-23 Thread Bruce Momjian
Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Jeff Amiel wrote: Can somebody explain this one to me? because of our auditing technique, we

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-11-04 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Jeff Amiel wrote: Can somebody explain this one to me? because of our auditing technique, we have many LONG lived temp

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-11-02 Thread Alvaro Herrera
Jeff Amiel wrote: Bruce Momjian wrote: No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Can somebody explain this one to me? because of our auditing technique, we have many LONG lived temp tables.(one

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-11-01 Thread Jeff Amiel
Bruce Momjian wrote: No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Can somebody explain this one to me? because of our auditing technique, we have many LONG lived temp tables.(one per

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-10-31 Thread Bruce Momjian
Alvaro Herrera wrote: Bruce Momjian wrote: Is this item closed? No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Thanks. Added to TODO. -- Bruce Momjian [EMAIL PROTECTED]http://momjian.us

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-09-14 Thread Bruce Momjian
Andrew Hammond wrote: On 9/13/07, Bruce Momjian [EMAIL PROTECTED] wrote: Alvaro Herrera wrote: Bruce Momjian wrote: Is this item closed? No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-09-13 Thread Andrew Hammond
On 9/13/07, Bruce Momjian [EMAIL PROTECTED] wrote: Alvaro Herrera wrote: Bruce Momjian wrote: Is this item closed? No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Sorry, I don't understand this.

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-09-13 Thread Bruce Momjian
Alvaro Herrera wrote: Bruce Momjian wrote: Is this item closed? No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation Sorry, I don't understand this. Can you give me more text? Thanks. -- Bruce Momjian

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-07-17 Thread Bruce Momjian
Is this item closed? --- Alvaro Herrera wrote: Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: Tom Lane wrote: Yeah, we had better investigate some way to clean them up. It was never obvious before

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-07-17 Thread Alvaro Herrera
Bruce Momjian wrote: Is this item closed? No, it isn't. Please add a TODO item about it: * Prevent long-lived temp tables from causing frozen-Xid advancement starvation -- Alvaro Herrerahttp://www.CommandPrompt.com/ The PostgreSQL Company - Command

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-06-28 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: Well, it certainly seems like this shouldn't be happening. Maybe the table belonged to a session that crashed, but the pg_class entry has not been cleaned up -- possibly because that backend has not connected to that particular database. Hm --- a

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-06-28 Thread Alvaro Herrera
Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: Well, it certainly seems like this shouldn't be happening. Maybe the table belonged to a session that crashed, but the pg_class entry has not been cleaned up -- possibly because that backend has not connected to that particular

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-06-28 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: Tom Lane wrote: Yeah, we had better investigate some way to clean them up. It was never obvious before that it mattered to get rid of orphan temp tables, but I guess it does. Would it be enough to delete the tuple from pg_class? No, you need a full

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-06-28 Thread Alvaro Herrera
Tom Lane wrote: Alvaro Herrera [EMAIL PROTECTED] writes: Tom Lane wrote: Yeah, we had better investigate some way to clean them up. It was never obvious before that it mattered to get rid of orphan temp tables, but I guess it does. Would it be enough to delete the tuple from

Re: [HACKERS] [GENERAL] AutoVacuum Behaviour Question

2007-06-28 Thread Tom Lane
Alvaro Herrera [EMAIL PROTECTED] writes: Oh, I was just thinking in way for Bruce to get out of his current situation. Oh, for that a manual drop table as superuser should work fine. regards, tom lane ---(end of