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Re: kolccst obj: large streams pool memory segment

From: Charles Schultz <>
Date: Thu, 4 Oct 2007 09:10:23 -0500
Message-ID: <>

Thanks. I found one bug (*5058318*).

What does kolccst mean? I am assuming that KO is the same for all those. Kernel Operations? Kernel Optimizer?

On 10/4/07, Yasin Baskan <> wrote:
> Did you search Metalink for "kolccst obj"? It reports several bugs
> related to memory leaks in Streams.
> *From:* [mailto:
>] *On Behalf Of *Charles Schultz
> *Sent:* Thursday, October 04, 2007 4:04 PM
> *To:* oracle-l
> *Subject:* kolccst obj: large streams pool memory segment
> Anyone know where I can find more information about this KOLCCST object?
> And other KO objects for that matter?
> SQL > select * from (select * from v$sgastat where pool = 'streams pool'
> order by bytes desc) where rownum < 6;
> ------------ ---------------------------------------- ----------
> streams pool kolccst obj 1987055480
> streams pool kol raw 465430552
> streams pool kolcalm coll 464969704
> streams pool koicnfadt adt attr 419245184
> streams pool kol vstring 259053352
> Kinda curious why we are eating so much memory. This is a downstream
> database, so I expect to be using the Streams Pool. Perhaps there is a
> perfectly valid reason for this, and in that case I would like to learn
> about it.
> --
> Charles Schultz
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Charles Schultz

Received on Thu Oct 04 2007 - 09:10:23 CDT

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