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Operating Systems AIX ORACLE Database running slow on AIX ( nmon / topas ) Post 302470288 by filosophizer on Tuesday 9th of November 2010 04:28:51 PM
Old 11-09-2010
This is another SYSTEM, it is IBM P 550 with 6 Processors and with Memory 96GB / 32GB Paging Space. 1000 users connecting concurrently to the Oracle Database

This is one of the best topics and most useful one as many companies buy AIX machines solely for Oracle Database.


The machine is still running slow. How can one trace and fine tune ?


Code:
 Disk    Busy%     KBPS     TPS KB-Read KB-Writ  Steals     3458  % Comp     90.0
  hdisk1   98.5     1.6K  333.5     1.2K  446.0   PgspIn      307  % Noncomp   9.9
  hdisk2   88.5    10.8K  757.5     3.1K    7.7K  PgspOut     111  % Client    9.9
  hdisk3    5.5   412.0    16.0     4.0   408.0   PageIn     1095
  hdisk4    0.0     0.0     0.0     0.0     0.0   PageOut    2179  PAGING SPACE
                                                  Sios       3271  Size,MB   33408
  Name            PID  CPU%  PgSp Owner                            % Used     35.5
  oracle      3141878  14.2  19.4 oraprod         NFS (calls/sec)  % Free     65.5
  oracle      3313978   5.9  34.9 oraprod         ServerV2       0
   
   
   
   
   
  Paging space is 35 .5 % 
   
  Hdisk 1 (which is internal server hard disk  not storage )is used with 98 %
   
  Hdisk2 is storage disk (which had DB )


Last edited by filosophizer; 12-12-2010 at 08:57 AM..
 

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Jifty::DBI::Handle::Oracle(3pm) 			User Contributed Perl Documentation			   Jifty::DBI::Handle::Oracle(3pm)

NAME
Jifty::DBI::Handle::Oracle - An oracle specific Handle object SYNOPSIS
DESCRIPTION
This module provides a subclass of Jifty::DBI::Handle that compensates for some of the idiosyncrasies of Oracle. METHODS
connect PARAMHASH: Driver, Database, Host, User, Password Takes a paramhash and connects to your DBI datasource. database_version Returns value of ORA_OCI constant, see "Constants" in DBD::Oracle. insert Takes a table name as the first argument and assumes that the rest of the arguments are an array of key-value pairs to be inserted. build_dsn PARAMHASH Takes a bunch of parameters: Required: Driver, Database or Host/SID, Optional: Port and RequireSSL Builds a dsn suitable for an Oracle DBI connection blob_params column_NAME column_type Returns a hash ref for the bind_param call to identify BLOB types used by the current database for a particular column type. The current Oracle implementation only supports ORA_CLOB types(112). apply_limits STATEMENTREF ROWS_PER_PAGE FIRST_ROW takes an SQL SELECT statement and massages it to return ROWS_PER_PAGE starting with FIRST_ROW; distinct_query STATEMENTREF takes an incomplete SQL SELECT statement and massages it to return a DISTINCT result set. AUTHOR
Jesse Vincent, jesse@fsck.com SEE ALSO
Jifty::DBI, Jifty::DBI::Handle, DBD::Oracle perl v5.14.2 2011-04-26 Jifty::DBI::Handle::Oracle(3pm)
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