Re: db_writers experience ?

From: Gavin Maltby, Vector Durban <gavin_at_durban.vector.co.za>
Date: 19 Oct 1994 09:32:43 GMT
Message-ID: <382p3r$6d8_at_ticsa.com>


sta_at_logibec.com writes:

>>Does anyone have any experience with "db_writers" init parameter?
>>The server will use many "dbwriter" vs single writer as default.
>>Stephane Ah-ki
>
>If you have more than you need, the usage of the extraneous ones
>will be lower than the needed ones. I just look at the cumulative
>execution time as displayed by ps for usage information.

You could also run the {bstat,estat}.sql scripts (Oracle 6) or utl{b,e}stat.sql found in ~/rdbms/admin to watch utilisation of the database. If the db_free_needed (or something close) statistic is greater than 0 then an increase of db_writers will do some good.

Cheers

Gavin

---
      .
     /| The
    / | Vector 
   /  | Group   ---------------------------------------
  /\  |____           Gavin Maltby, Vector Durban
 /  \/|    |          Email: gavin_at_durban.vector.co.za
 \   \|    |          Tel: INT+ 27 31 266 9948
  \   |   /           Fax: INT+ 27 31 266 0811
   \  |  /            Note: I speak for myself, and not
    \ | /             necessarily for Vector or Sun!
     \|/         --------------------------------------
      " Sun Partner in South Africa
Received on Wed Oct 19 1994 - 10:32:43 CET

Original text of this message