Search Postgresql Archives

Re: capturing/viewing sort_mem utilization on a per query basis

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Lonni J Friedman <netllama@xxxxxxxxx> writes:
> I've got a pesky J2EE based app that is using PostgreSQL-7.4.x on the
> backend.  Lately i've been getting a disturbing large number of
> PostgreSQL out of memory exceptions on the J2EE side when running
> queries that have some huge joins in them.

Such an error on the client side would indicate that the query retrieved
more rows than the client app had memory for.  Perhaps your problem is
incorrectly-constrained joins that are returning way more rows than
you expect?

			regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to majordomo@xxxxxxxxxxxxxx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux