Re: [HACKERS] Memory context usage
Tom Lane escreveu: Adriano Lange alange0...@gmail.com writes: I need to control the size of a memory context on the fly and take some actions when the used memory exceeds a defined size. The existing places that do that sort of thing do their own counting of how much they've allocated. I have seen that the AllocSet structure is hid by MemoryContext which has only a stderr output interface for its stats. I would need these stats internally but maybe this is only my demand for now. Thanks for attention. Adriano -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
Re: [HACKERS] Memory context usage
On Fri, 28 Aug 2009, Tom Lane wrote: MemoryContextStats() might help. It just dumps the info to stderr though. Which means it ends up in the database log files in the common configuration where where the database's stderr is redirected to there. I even script running this regularly against stuff I'm suspicious of, using something like this passed the PID of the process I want to watch: #!/bin/bash gdb -p $1 EOF p MemoryContextStats(TopMemoryContext) detach quit EOF -- * Greg Smith gsm...@gregsmith.com http://www.gregsmith.com Baltimore, MD -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
Re: [HACKERS] Memory context usage
On Fri, Aug 28, 2009 at 5:18 AM, Greg Smithgsm...@gregsmith.com wrote: On Fri, 28 Aug 2009, Tom Lane wrote: MemoryContextStats() might help. It just dumps the info to stderr though. Which means it ends up in the database log files in the common configuration where where the database's stderr is redirected to there. I even script running this regularly against stuff I'm suspicious of, using something like this passed the PID of the process I want to watch: #!/bin/bash gdb -p $1 EOF p MemoryContextStats(TopMemoryContext) detach quit EOF -- * Greg Smith gsm...@gregsmith.com http://www.gregsmith.com Baltimore, MD Is there another way to get it in the source code? I need to control the size of a memory context on the fly and take some actions when the used memory exceeds a defined size. Thanks Adriano -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
Re: [HACKERS] Memory context usage
Adriano Lange alange0...@gmail.com writes: I need to control the size of a memory context on the fly and take some actions when the used memory exceeds a defined size. The existing places that do that sort of thing do their own counting of how much they've allocated. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
[HACKERS] Memory context usage
Hi, How can I get the used memory of a memory context? Is there some function like: int getMemoryUsage( MemoryContext ) ? I still working in a subplan cache for a query optimizer and I need to know whether a temporary memory context is in certain limits. Thanks Adriano -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
Re: [HACKERS] Memory context usage
Adriano Lange alange0...@gmail.com writes: How can I get the used memory of a memory context? MemoryContextStats() might help. It just dumps the info to stderr though. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
