RE: Redo Log size used

2001-03-26 Thread Steve Adams

Hi Glenn,

Try 'log_file_usage.sql' at
http://www.ixora.com.au/scripts/redo_log.htm#log_file_usage.

@   Regards,
@   Steve Adams
@   http://www.ixora.com.au/
@   http://www.christianity.net.au/


-Original Message-
Sent: Tuesday, 27 March 2001 5:51
To: Multiple recipients of list ORACLE-L


What can I query to see how much of the redo log file is currently in
use?


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Author: Glenn Travis
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Author: Steve Adams
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Re: Redo Log size used

2001-03-26 Thread Mohammad Rafiq

See your alertSID.log by using

tail -f alertSID.log

Regards
Rafiq




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To: Multiple recipients of list ORACLE-L [EMAIL PROTECTED]
Date: Mon, 26 Mar 2001 11:51:11 -0800

What can I query to see how much of the redo log file is currently in use?


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Author: Glenn Travis
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RE: Redo Log size used

2001-03-26 Thread Steve Adams

Hi Glenn,

Yes, your query is fine, and does just what you think.
Please see http://www.ixora.com.au/q+a/0102/06135327.htm for the meaning
of cpodr_bno.
Please see http://www.ixora.com.au/tips/tuning/log_buffer_size.htm for
the relationship between log blocks and the log buffer.

@   Regards,
@   Steve Adams
@   http://www.ixora.com.au/
@   http://www.christianity.net.au/


-Original Message-
Sent: Tuesday, 27 March 2001 7:27
To: Steve Adams
Cc: Oracledba


As always your script was exactly what I was looking for.  I am assuming
the
column sys.x_$kccle.lesiz is number of blocks which make up the logfile,
and
sys.x_$kcccp.cpodr_bno is number of blocks in the log file currently in
use,
although I can't decipher the column name meaning.  Using your
http://www.ixora.com.au/scripts/redo_log.htm#log_block_size.sql script,
I
was able to see the number of bytes in a redo log block.  Again, I am
assuming it is bytes (why is the redo log block size different from the
log
buffer size (set in the init.ora file)?).  What exactly is the
sys.x_$kccle.lebsz column?

I wrote this query to give me the number of MB currently in use by in
the
redo log file.

select
  le.leseq  log_sequence#,
  le.lesiz * le.lebsz /1024 /1024 logmbtotal,
  cp.cpodr_bno * le.lebsz /1024 /1024 logmbinuse
from
  sys.x_$kcccp  cp,
  sys.x_$kccle  le
where
  le.inst_id = userenv('Instance') and
  cp.inst_id = userenv('Instance') and
  le.leseq = cp.cpodr_seq

Am I making the correct assumptions here?

 -Original Message-
 From: Steve Adams [mailto:[EMAIL PROTECTED]]
 Sent: Monday, March 26, 2001 3:26 PM
 To: [EMAIL PROTECTED]
 Cc: Oracledba
 Subject: RE: Redo Log size used


 Hi Glenn,

 Try 'log_file_usage.sql' at
 http://www.ixora.com.au/scripts/redo_log.htm#log_file_usage.

 @   Regards,
 @   Steve Adams
 @   http://www.ixora.com.au/
 @   http://www.christianity.net.au/


 -Original Message-
 From: Glenn Travis [mailto:[EMAIL PROTECTED]]
 Sent: Tuesday, 27 March 2001 5:48
 To: [EMAIL PROTECTED]
 Subject: Redo Log size used


 What can I query to see how much of the redo log file is currently in
use?


-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Steve Adams
  INET: [EMAIL PROTECTED]

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