First of all, which Java you are using? on which system? Is it J9 or
classic JVM ? Anything changed before this issue occur? Java upgrade?
application upgrade or OS upgrade? Or the data handled handled by this
application changed?
Best regards.
Gavin, Zhang Gan --
IBM i J9 Team Lead,
Email: zhanggan@xxxxxxxxxx
Phone: +86-10-82452719
Address: 1/F, 28, ZhongGuanCun Software Park, No.8 Dong Bei Wang West
Road, Haidian District, Beijing P.R.China 100193
J9 on i:

----- Original message -----
From: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx>
Sent by: "JAVA400-L" <java400-l-bounces@xxxxxxxxxxxx>
To: "'java400-l@xxxxxxxxxxxx'" <java400-l@xxxxxxxxxxxx>
Subject: Java 1.6 batch performance issue
Date: Mon, Feb 22, 2016 11:13 PM

We have a batch job that uses Java 1.6 get info from a remote internal
Normally the process takes 1 1/2 hours.
Within the last week, 2 occurrences job took 45 minutes longer.
Other processes were dependent on the timely completion of this info.
Because its Java, joblog does not help.
What tools can be used to troubleshoot/isolate this issue?
Anything in MPG?
We only started this process 1/19 of this year.
The Java process will be replaced later this year when the remote app is
upgraded and allows another interface besides Java.

8205-E6C 740
1.5 CPU
155gb mem
100% SSD
V7R1 Latest CUM, TR11, most latest groups Java Group 23

BRCBACLOAD *NONE 0 2/13/16 5:00 6:36 1:36 *NORMAL
BRCBACLOAD *NONE 0 2/14/16 5:00 6:44 1:44 *NORMAL
BRCBACLOAD *NONE 0 2/15/16 5:00 6:33 1:34 *NORMAL
BRCBACLOAD *NONE 0 2/16/16 5:00 6:40 1:41 *NORMAL
BRCBACLOAD *NONE 0 2/17/16 5:00 6:38 1:39 *NORMAL
BRCBACLOAD *NONE 0 2/18/16 5:00 6:38 1:39 *NORMAL
BRCBACLOAD *NONE 0 2/19/16 5:00 7:26 2:26 *NORMAL
BRCBACLOAD *NONE 0 2/20/16 5:00 6:35 1:36 *NORMAL
BRCBACLOAD *NONE 0 2/21/16 5:00 6:45 1:45 *NORMAL
BRCBACLOAD *NONE 0 2/22/16 5:00 7:27 2:28 *NORMAL

Thank You
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home


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