Re: PostgreSQL 9.2.4 using large amount of memory

Is there any way to set max memory a postgres connection can use in
postgres or linux[centOS 5.6 64bit]?

Thanks
Bhushan

On Wed, Jan 29, 2014 at 8:39 PM, Bhushan Pathak
<bhushan(dot)pathak02(at)gmail(dot)com>wrote:

> Bruce -
> Will go through the blog posts. Thanks for the info.
>
> Raghav -
> I have not executed analyze after the upgrade.
>
> -- Bhushan
>
>
>
>
>
> On Wed, Jan 29, 2014 at 7:49 AM, Raghavendra <
> raghavendra(dot)rao(at)enterprisedb(dot)com> wrote:
>
>> Thanks
>>
>> On 27 Jan 2014 22:35, "Bhushan Pathak" <bhushan(dot)pathak02(at)gmail(dot)com>
>> wrote:
>> >
>> > Hello,
>> >
>> > We have recently shifted to postgresql version 9.2.4 from 9.1.3. After
>> the migration, we observed that some of our delete queries on single table
>> [which have triggers, which in turn call other functions] have started
>> consuming large amounts of memory.
>> >
>> > In 9.1.3, this usage was upto 25MB with the same load on the same
>> server. With 9.2.4 it has jumped upto ~580 MB. We are monitoring the RES
>> column from top output to get the memory usage.
>> >
>> > Our migration method from 9.1.3 to 9.2.4 was take a dump, un-install
>> 9.1.3, install 9.2.4 & restore the dump.
>> >
>> > I also went through the thread -
>> >
>> http://postgresql.1045698.n5.nabble.com/Memory-usage-after-upgrade-to-9-2-4-td5752733.html
>> >
>> > In the thread in the end it is mentioned that there was some data
>> corruption & points to 9.1.6 release notes. I went through the release
>> notes & only thing of note that I found was the re-indexing or performing
>> vacuum operation in case of in-place upgrade, which is not the case for me.
>> >
>> > Any help/pointers in debugging would be helpful.
>> >
>> > Thanks
>> > Bhushan
>> >
>>
>> Just wanted to know, after upgrade as a part of process have you
>> performed ANALYZE on the database. I agree this might not relate to the
>> question but am curious to know this issue raised after proper upgrade
>> method.
>>
>> --Raghav
>>
>
>