Re: Lookup/Code table as hot block

  • From: "Syed Jaffar Hussain" <sjaffarhussain@xxxxxxxxx>
  • To: Mark.Bobak@xxxxxxxxxxxxxxx
  • Date: Tue, 2 May 2006 12:15:28 +0300

I think minimize records_per_block is use when there is bitmap index on it.
If the tables has index on it, I hope that root block of the index is
not the cause for hot block.

Jaffar

On 5/2/06, Bobak, Mark <Mark.Bobak@xxxxxxxxxxxxxxx> wrote:
Or you can use the minimize records per block trick....


-----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx on behalf of Jared Still Sent: Mon 5/1/2006 6:59 PM To: ranko.mosic@xxxxxxxxx Cc: _oracle_L_list Subject: Re: Lookup/Code table as hot block

One method to deal with this is to rebuild the table
with a sufficiently high pctfree that there is only
one row per block.

Jared


On 4/24/06, Ranko Mosic <ranko.mosic@xxxxxxxxx> wrote: > > Hi List, > I have couple of thousand of users all accessing the same, very small > lookup > table. > This is hot block in database cache. > How can I avoid this ? Multiple table copies ? How to do this - all users > connect under single name . > > -- > Regards, > Ranko Mosic > Contract Senior Oracle DBA > B. Eng, Oracle 10g, 9i Certified Database Professional > Phone: 416-450-2785 > email: mosicr@xxxxxxxxxx > > http://ca.geocities.com/mosicr@xxxxxxxxxx/ContractSeniorOracleDBARankoMosicMain.html > > > Hi List, > I have couple of thousand of users all accessing the same, very small > lookup table. > This is hot block in database cache. > How can I avoid this ? Multiple table copies ? How to do this - all users > connect under single name . > > -- > Regards, > Ranko Mosic > Contract Senior Oracle DBA > B. Eng, Oracle 10g, 9i Certified Database Professional > Phone: 416-450-2785 > email: mosicr@xxxxxxxxxx > http://ca.geocities.com/mosicr@xxxxxxxxxx/ContractSeniorOracleDBARankoMosicMain.html > > > >


-- Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist

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--
Best Regards,
Syed Jaffar Hussain
8i,9i & 10g, OCP DBA
Banque Saudi Fransi,
Saudi Arabia
http://jaffardba.blogspot.com/
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"Winners don't do different things. They do things differently."
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