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Full Discussion: AIX CPU usage
Operating Systems AIX AIX CPU usage Post 302982659 by baladelaware73 on Saturday 1st of October 2016 12:17:22 PM
Old 10-01-2016
AIX CPU usage

hi,
We have two LPARs, both have same capacity and believe same configuration. ulimit settings for oracle user is unlimited for both LPARs. Installed oracle databases with same configurations on both LPARs, both databases sync every second so volume is same. Both LPARs/databases have identical jobs running at exact time.
We run net-backup process at same time on both LPARs every night. LPAR1 finishes in 30 min but LPAR2 takes 2 hours to complete.
When I observed, i noticed backup processes running on LPAR1 consuming 35 to 40% CPU for every PID. And i noticed backup processes running on LPAR2 consuming only 5 to 10% CPU for every PID.
I'm understanding that backup process in LPAR2 delays because it's not utilizing available CPU, please correct me if 'm wrong? Secondly how we can make or instruct the AIX to utilize more CPUs for the backup processes running on LPAR2?

-Thanks in advance
-Bala
 

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GETTABLE(8)						      System Manager's Manual						       GETTABLE(8)

NAME
gettable - get NIC format host tables from a host SYNOPSIS
/usr/sbin/gettable [ -v ] host [ outfile ] DESCRIPTION
Gettable is a simple program used to obtain the NIC standard host tables from a ``nicname'' server. The indicated host is queried for the tables. The tables, if retrieved, are placed in the file outfile or by default, hosts.txt. The -v option will get just the version number instead of the complete host table and put the output in the file outfile or by default, hosts.ver. Gettable operates by opening a TCP connection to the port indicated in the service specification for ``nicname''. A request is then made for ``ALL'' names and the resultant information is placed in the output file. Gettable is best used in conjunction with the htable(8) program which converts the NIC standard file format to that used by the network library lookup routines. SEE ALSO
intro(3N), htable(8), named(8) BUGS
If the name-domain system provided network name mapping well as host name mapping, gettable would no longer be needed. 4.2 Berkeley Distribution November 17, 1996 GETTABLE(8)
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