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Home -> Community -> Mailing Lists -> Oracle-L -> RE: SEGMENT SPACE MANAGEMENT AUTO hangs on 9.2.0.4 on Linux
MessageHi,
We're still on 817 but I was wandering about those new automatic features
(Automatic Undo Management, Automatic Segment Space management,..) how well
they work ?
Anybody using in production with 9i2 ?
Stéphane
-----Original Message-----
From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com]On Behalf Of
Tanel Poder
Sent: Tuesday, September 30, 2003 5:49 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: SEGMENT SPACE MANAGEMENT AUTO hangs on 9.2.0.4 on Linux
You still can have row migration when pctfree is set too low. ASSM doesn't
resolve that. But yeah, ASSM removes the pctused and freelist/group issues
(and introduces others :)
Tanel.
And why not? Forgetting about PCTFREE/PCTUSED is the main point of automatic segment space management.
Initial/next are resolved by using LMT, because that's what takes care of your extent sizes.
--
Mladen Gogala
Oracle DBA
-----Original Message-----
From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com] On Behalf
Of Richard Foote
Sent: Monday, September 29, 2003 11:55 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: SEGMENT SPACE MANAGEMENT AUTO hangs on 9.2.0.4 on Linux
Hi Mladen,
I can't help you with your problem, I haven't had the pleasure on NT
or Tru64 but I just wanted to point out that you can't forget about PCTFREE
even with ASSM.
Cheers
Richard
----- Original Message -----
From: Mladen Gogala
To: Multiple recipients of list ORACLE-L
Sent: Tuesday, September 30, 2003 12:44 AM
Subject: SEGMENT SPACE MANAGEMENT AUTO hangs on 9.2.0.4 on Linux
I have RDBMS 9.2.0.4 on RH 7.3 and I executed the following command:
create tablespace wizard
datafile '/oradata/WIZ/wizard01.dbf' size 3072M reuse
autoextend on next 1024M maxsize 16385m
extent management local autoallocate
segment space management auto;
The whole system just hung, doing I/O like crazy. I was unable to
killl one of the server processes
which survived even shutdown abort, so I had to bounce thw whole
box. No errors, no traces, no
anything. Does anybody else have experience with this? Is there a
known bug (not currently known
to me) with a patch that I can install? I'd really like to use
"SEGMENT SPACE MANAGEMENT AUTO"
and forget about pctfree/pctused stuff.
--
Mladen Gogala
Oracle DBA
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