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Re: HIGH IO ON SYSTEM DATA FILES

From: Ruth Gramolini <rgramolini_at_tax.state.vt.us>
Date: Mon, 17 Jun 2002 11:54:07 -0800
Message-ID: <F001.0047F817.20020617115407@fatcity.com>


Do you have a recommendation on the number of sequences to cache or is that up to the application,etc?

Thanks in advance,
Ruth
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Monday, June 17, 2002 2:58 PM

> uncached sequences are another frequent cause. lots of people think that
> using sequences without caching will prevent "number loss", which is
untrue.
> it only reduces the number of scenarios under which blocks of numbers can
be
> "lost". transaction rollbacks and application logic are a much more
> frequent cause...
>
> ...gotta wonder why people would worry about "number loss" or "gaps in the
> number sequence". this concern should only be a consideration instead of
a
> knee-jerk negative reaction. i keep flashing back to that George Carlin
> routine on the discovery of a "new number" named "bleen", which resides
> between 6 and 7...
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Monday, June 17, 2002 11:48 AM
>
>
> > Seema,
> > Check for users with temporary or default tablespace set to system.
> > Another area to look at is the level of activity in the data dictionary
> > (such as space management). I have found condition 1 to be rather common
> > (unfortunately).
> >
> > Daniel W. Fink
> > Sr. Oracle DBA
> > MICROMEDEX
> > 303.486.6456
> >
> >
> > -----Original Message-----
> > Sent: Monday, June 17, 2002 10:38 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > Hi
> > I am wondering in one of database teh IO rate is high on system data
> > files.Let me know what could be reason and how to reduce it.
> > Thx
> > -Seema
> >
> >
> > _________________________________________________________________
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> > --
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> > Author: Seema Singh
> > INET: oracledbam_at_hotmail.com
> >
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Ruth Gramolini
  INET: rgramolini_at_tax.state.vt.us

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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Received on Mon Jun 17 2002 - 14:54:07 CDT

Original text of this message

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