Re: Slow java on s390?
Better (after installing the IBM SDK): $ time ./getinfo.rex real96m9.540s user77m1.404s sys 1m45.491s Frank M. Ramaekers Jr. From: Frank M. Ramaekers Sent: Wednesday, October 3, 2018 8:23 AM To: 'Linux on 390 Port' Subject: Slow java on s390? I'm porting applications from an iLinux to a zLinux and am experiencing performance problems on one particular process. This process uses dscli (IBM Data Storage Command Line Interface) to our DS8870 to retrieve information and report statistics (allocation). On an Intel Linux virtual machine, the process statistics: $ time ./getinfo.rex real54m57.647s user9m16.209s sys 0m38.034s Compared to zLinux (ClefOS 7.4): $ time ./getinfo.rex real480m57.309s user443m1.009s sys 2m13.860s I have had no performance problems with any other process that I've migrated to zLinux. The process do use a different version of Java: iLinux: /usr/java/jdk1.6.0_03/bin/java -Dcom.ibm.storage.ess.cli.instbase=/opt/ibm/dscli ... zLinux: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.s390x/jre/bin/java -Dcom.ibm.storage.ess.cli.instbase=/opt/ibm/dscli ... Are there performance issues with OpenJava? Frank M. Ramaekers Jr. | Systems Programmer | Information Technology | American Income Life Insurance Company | 254-761-6649 (732-6649) -- This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at privacy...@torchmarkcorp.com. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
Usually /opt/ibm: $ ls /opt/ibm java java-s390x-80 On 10/3/18, 13:17, "Linux on 390 Port on behalf of Frank M. Ramaekers" wrote: Yeah, having problems with that as well. Downloading from Windows wants to download it as text (since it starts with a script). I got it downloaded in binary via lynx. Okay running it I get to the point: Choose Install Folder - Where would you like to install? Default Install Folder: /root/download/IBMjdk/ibm-java-s390x-80 ENTER AN ABSOLUTE PATH, OR PRESS TO ACCEPT THE DEFAULT : To me this is unclear! Where to install the install package or install java? (the default was where the .bin file is) So if it's installation location, where? /usr? /lib? /opt/IBM? -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
Yeah, having problems with that as well. Downloading from Windows wants to download it as text (since it starts with a script). I got it downloaded in binary via lynx. Okay running it I get to the point: Choose Install Folder - Where would you like to install? Default Install Folder: /root/download/IBMjdk/ibm-java-s390x-80 ENTER AN ABSOLUTE PATH, OR PRESS TO ACCEPT THE DEFAULT : To me this is unclear! Where to install the install package or install java? (the default was where the .bin file is) So if it's installation location, where? /usr? /lib? /opt/IBM? Frank M. Ramaekers Jr. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Neale Ferguson Sent: Wednesday, October 3, 2018 11:48 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Slow java on s390? It's in the EPEL repo. I think it would be easier to install the IBM JDK. It's v9 engine has support for all the latest instructions. On 10/3/18, 12:46, "Linux on 390 Port on behalf of Frank M. Ramaekers" wrote: Must be on a repo that I don't have: No package java-9-openjdk.s390x available. Frank M. Ramaekers Jr. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Phillip Gramly Sent: Wednesday, October 3, 2018 10:27 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Slow java on s390? Frank - if this is ClefOS, then this is what i did to get 1.9: yum remove java yum list installed |grep java yum remove java-1.8.0-openjdk-headless.s390x yum install java-9-openjdk.s390x now i get: # java -version openjdk version "9-ea" OpenJDK Runtime Environment (build 9-ea+163) OpenJDK 64-Bit Server VM (build 9-ea+163, mixed mode) <<---<<<< -- Phillip Gramly Systems Programmer Communications Data Group Champaign, Illinois On Wed, 2018-10-03 at 10:20 -0500, Frank M. Ramaekers wrote: > $ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181- > 3.b13.el7_5.s390x/jre/bin/java -version > openjdk version "1.8.0_181" > OpenJDK Runtime Environment (build 1.8.0_181-b13) > OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode) -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit https://urldefense.proofpoint.com/v2/url?u=http-3A__www.marist.edu_htbin_wlvindex-3FLINUX-2D390&d=DwIFAw&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=5oTKPMBR_LnfjKySIwMwiv1JlhMQSxTUHFJCS2iM26I&s=vMuYIBHBMd-o2PDaOFEqVeLX2bPeCiEmbkZ7qEuh8Sg&e= -- For more information on Linux on System z, visit https://urldefense.proofpoint.com/v2/url?u=http-3A__wiki.linuxvm.org_&d=DwIFAw&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=5oTKPMBR_LnfjKySIwMwiv1JlhMQSxTUHFJCS2iM26I&s=PM_m36XJUFwoc2z6PbnLKSqRJhLXGGLF_7nm981bfkc&e= -- This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at privacy...@torchmarkcorp.com. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit https://urldefense.proofpoint.com/v2/url?u=http-3A__www.marist.edu_htbin_wlvindex-3FLINUX-2D390&d=DwIGaQ&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=Nht_VPTcqjVgsaCcO4WS70Z36CiGp8kth3Id-DxMWCE&s=ABDptsTKWFl8D4gbVf8Coupn_ZkuE9vH8GI7x_aLZzo&e= -- For more information on Linux on System z, visit https://urldefense.proofpoint.com/v2/url?u=http-3A__wiki.linuxvm.org_&d=DwIGaQ&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=Nht_VPTcqjVgsaCcO4WS70Z36CiGp8kth3Id-DxMWCE&s=o5U2KbufSDGAcV3KFXUtUYAVwwZOwRAQ2wxYRAkbclg&e= -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message
Re: Slow java on s390?
It's in the EPEL repo. I think it would be easier to install the IBM JDK. It's
v9 engine has support for all the latest instructions.
On 10/3/18, 12:46, "Linux on 390 Port on behalf of Frank M. Ramaekers"
wrote:
Must be on a repo that I don't have:
No package java-9-openjdk.s390x available.
Frank M. Ramaekers Jr.
-Original Message-
From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of
Phillip Gramly
Sent: Wednesday, October 3, 2018 10:27 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Re: Slow java on s390?
Frank - if this is ClefOS,
then this is what i did to get 1.9:
yum remove java
yum list installed |grep java
yum remove java-1.8.0-openjdk-headless.s390x yum install
java-9-openjdk.s390x
now i get:
# java -version
openjdk version "9-ea"
OpenJDK Runtime Environment (build 9-ea+163) OpenJDK 64-Bit Server VM
(build 9-ea+163, mixed mode) <<---<<<<
--
Phillip Gramly
Systems Programmer
Communications Data Group
Champaign, Illinois
On Wed, 2018-10-03 at 10:20 -0500, Frank M. Ramaekers wrote:
> $ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-
> 3.b13.el7_5.s390x/jre/bin/java -version
> openjdk version "1.8.0_181"
> OpenJDK Runtime Environment (build 1.8.0_181-b13)
> OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode)
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Re: Slow java on s390?
Must be on a repo that I don't have: No package java-9-openjdk.s390x available. Frank M. Ramaekers Jr. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Phillip Gramly Sent: Wednesday, October 3, 2018 10:27 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Slow java on s390? Frank - if this is ClefOS, then this is what i did to get 1.9: yum remove java yum list installed |grep java yum remove java-1.8.0-openjdk-headless.s390x yum install java-9-openjdk.s390x now i get: # java -version openjdk version "9-ea" OpenJDK Runtime Environment (build 9-ea+163) OpenJDK 64-Bit Server VM (build 9-ea+163, mixed mode) <<---<<<< -- Phillip Gramly Systems Programmer Communications Data Group Champaign, Illinois On Wed, 2018-10-03 at 10:20 -0500, Frank M. Ramaekers wrote: > $ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181- > 3.b13.el7_5.s390x/jre/bin/java -version > openjdk version "1.8.0_181" > OpenJDK Runtime Environment (build 1.8.0_181-b13) > OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode) -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit https://urldefense.proofpoint.com/v2/url?u=http-3A__www.marist.edu_htbin_wlvindex-3FLINUX-2D390&d=DwIFAw&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=5oTKPMBR_LnfjKySIwMwiv1JlhMQSxTUHFJCS2iM26I&s=vMuYIBHBMd-o2PDaOFEqVeLX2bPeCiEmbkZ7qEuh8Sg&e= -- For more information on Linux on System z, visit https://urldefense.proofpoint.com/v2/url?u=http-3A__wiki.linuxvm.org_&d=DwIFAw&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=5oTKPMBR_LnfjKySIwMwiv1JlhMQSxTUHFJCS2iM26I&s=PM_m36XJUFwoc2z6PbnLKSqRJhLXGGLF_7nm981bfkc&e= -- This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at privacy...@torchmarkcorp.com. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
Frank - if this is ClefOS, then this is what i did to get 1.9: yum remove java yum list installed |grep java yum remove java-1.8.0-openjdk-headless.s390x yum install java-9-openjdk.s390x now i get: # java -version openjdk version "9-ea" OpenJDK Runtime Environment (build 9-ea+163) OpenJDK 64-Bit Server VM (build 9-ea+163, mixed mode) <<--- -- Phillip Gramly Systems Programmer Communications Data Group Champaign, Illinois On Wed, 2018-10-03 at 10:20 -0500, Frank M. Ramaekers wrote: > $ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181- > 3.b13.el7_5.s390x/jre/bin/java -version > openjdk version "1.8.0_181" > OpenJDK Runtime Environment (build 1.8.0_181-b13) > OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode) -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
Hdoesn't look like it: /bin/java -version openjdk version "1.8.0_181" OpenJDK Runtime Environment (build 1.8.0_181-b13) OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode) [VSE@mflnxclef00 terrorist]$ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.s390x/jre/bin/java -version openjdk version "1.8.0_181" OpenJDK Runtime Environment (build 1.8.0_181-b13) OpenJDK 64-Bit Zero VM (build 25.181-b13, interpreted mode) Frank M. Ramaekers Jr. -Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Jeffrey Barnard Sent: Wednesday, October 3, 2018 8:41 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Slow java on s390? Frank, I would bet you do not have the IBM java installed. What does the output from this command ... java --version show you? The OpenJDK uses interpret mode while the IBM java has jit support. Regards, Jeff -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit https://urldefense.proofpoint.com/v2/url?u=http-3A__www.marist.edu_htbin_wlvindex-3FLINUX-2D390&d=DwICaQ&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=Rx1Xw_Qm4J2XEBPvN8FuDlWBKQaRuvdAN6ddGczEUgE&s=hpQY4zsN01WBQdMC2Ua6MmCmhi46KRcwWG4WGC3z4fk&e= -- For more information on Linux on System z, visit https://urldefense.proofpoint.com/v2/url?u=http-3A__wiki.linuxvm.org_&d=DwICaQ&c=laxeQK7vPmHfouIIPNyCfbQd49eK3u00U8Jdo0RFvts&r=EOaM1MkMLG24_TOy4m7EdDoX0CP9-c0YJ2kTdeagcqQ&m=Rx1Xw_Qm4J2XEBPvN8FuDlWBKQaRuvdAN6ddGczEUgE&s=Vt1A6xk33ctC_zJC1JvfGQcoDPbLwlk0ZICCG5E9Uq4&e= -- This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at privacy...@torchmarkcorp.com. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
The openjdk is not a JIT for s390x. java-9-openJDK adds a JIT capability (it's in the ClefOS EPEL repo). You should use the IBM Java SDK you'll be very pleasantly surprised by the improvement. On 10/3/18, 09:24, "Linux on 390 Port on behalf of Frank M. Ramaekers" wrote: I'm porting applications from an iLinux to a zLinux and am experiencing performance problems on one particular process. This process uses dscli (IBM Data Storage Command Line Interface) to our DS8870 to retrieve information and report statistics (allocation). On an Intel Linux virtual machine, the process statistics: $ time ./getinfo.rex real54m57.647s user9m16.209s sys 0m38.034s Compared to zLinux (ClefOS 7.4): $ time ./getinfo.rex real480m57.309s user443m1.009s sys 2m13.860s I have had no performance problems with any other process that I've migrated to zLinux. The process do use a different version of Java: iLinux: /usr/java/jdk1.6.0_03/bin/java -Dcom.ibm.storage.ess.cli.instbase=/opt/ibm/dscli ... zLinux: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.s390x/jre/bin/java -Dcom.ibm.storage.ess.cli.instbase=/opt/ibm/dscli ... Are there performance issues with OpenJava? Frank M. Ramaekers Jr. | Systems Programmer | Information Technology | American Income Life Insurance Company | 254-761-6649 (732-6649) -- This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at privacy...@torchmarkcorp.com. -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/ -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
Re: Slow java on s390?
Frank, I would bet you do not have the IBM java installed. What does the output from this command ... java --version show you? The OpenJDK uses interpret mode while the IBM java has jit support. Regards, Jeff -- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For more information on Linux on System z, visit http://wiki.linuxvm.org/
