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Re: keep dictionary objects

From: Mladen Gogala <mladen_at_wangtrading.com>
Date: Thu, 25 Mar 2004 12:09:21 -0500
Message-ID: <20040325170920.GE3526@mladen.wangtrading.com>


That is not a good practice. SYS objects have their own cache, described in the ancient V$ table called "V$ROWCACHE" (coming all the way from version 6.0). Puttin those tables explicitly in the keep pool will not buy you anything but it will waste some memory.

On 03/25/2004 11:42:09 AM, thump604_at_comcast.net wrote:
> Has anyone evaluated or have any experience placing any dictionary objects in the keep pool?
> I'm considering the following for keep pool:
>
> SYS ICOL$ 20 TABLE
> SYS IND$ 19 TABLE
> SYS CLU$ 5 TABLE
> SYS C_OBJ# 2 CLUSTER
> SYS COL$ 21 TABLE
> SYS TAB$ 4 TABLE
> SYS COLTYPE$ 241 TABLE
> SYS ATTRCOL$ 244 TABLE
> SYS VIEWTRCOL$ 246 TABLE
> SYS LOB$ 251 TABLE
> SYS TYPE_MISC$ 253 TABLE
> SYS NTAB$ 288 TABLE
> SYS LIBRARY$ 293 TABLE
> SYS REFCON$ 296 TABLE
> SYS ICOLDEP$ 299 TABLE
>
> --
> - David
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Received on Thu Mar 25 2004 - 11:23:31 CST

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