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S
sumitc22
Level 4
October 16, 2015
Solved

startTarOptimization() throws error

  • October 16, 2015
  • 11 replies
  • 1936 views

http://host:port/system/console/jmx/com.adobe.granite%3Atype%3DRepository

From the JMX console whenever I try to run startTarOptimization() or runDataStoreGarbageCollection(java.lang.Boolean delete) , it is throwing the below exception.

Can somebody throw some light on this. We are on AEM6.0 SP2.

javax.jcr.UnsupportedRepositoryOperationException at com.day.crx.sling.server.impl.jmx.ManagedRepository.startTarOptimization(ManagedRepository.java:201) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75) at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279) at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112) at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46) at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237) at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138) at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252) at javax.management.StandardMBean.invoke(StandardMBean.java:405) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.adobe.granite.jmx.internal.JMXConsolePlugin.invoke(JMXConsolePlugin.java:176) at com.adobe.granite.jmx.internal.JMXConsolePlugin.doPost(JMXConsolePlugin.java:134) at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
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Best answer by ogill

Hi,

the effect of online compaction averages over a few days(not as immediate as offline compaction), so you will not see an effect straight away.

For offline compaction, you should have at least twice the size of your repository, so for a 72GB repository, 50GB free space would not have been enough. Personally I would have preferred a bit more than double the size, but then I'm quite cautious :)

Regards,

Opkar

11 replies

O
Adobe Employee
ogillAdobe Employee
Adobe Employee
October 16, 2015

If you are not using CRX2 with AEM6, then there is no need to run tarOptimization with AEM6, as Oak does not use tar files. The equivalent is TarMK Compaction

http://docs.adobe.com/docs/en/aem/6-0/deploy/upgrade/microkernels-in-aem-6-0.html#Maintaining%20the%20Repository

https://helpx.adobe.com/experience-manager/kb/AEM_6_TarMK_Online_Compaction.html

Regards,

Opkar

S
sumitc22Author
Level 4
October 16, 2015

Thanks Opkar,

We are uploading some image assets package via package manager.However, the repository size is growing quite rapidly.

If the same package is installed again huge disk space is consumed.I cant see it is reducing after I follow the above ( compaction does not seem to be happening ).

Can you please suggest ?

We already have Hf  5916 and Hf 5918 installed and Oak 1.0.12

G
Gokul2011
Level 6
October 16, 2015

Hi Sumit,

Please check the few points.

1.Are you using 1.0.12 ? can you please upgrade to one more higher version and test offline compaction (1.0.13).

2.Have you performed workflow and audit purge and test any diff in disk space? (if any issue related to junk workflow)

3.Clean up /etc/packages section.

O
Adobe Employee
ogillAdobe Employee
Adobe Employee
October 16, 2015

Hi,

have your tried doing offline compaction to solve the current issue?

Regards,

Opkar

https://helpx.adobe.com/experience-manager/kb/oak-repository-growth.html

http://cq-ops.tumblr.com/post/106629820639/how-to-reclaim-wasted-crx3-storage-using-off-line

S
sumitc22Author
Level 4
October 16, 2015

Thanks Gokul,Opkar,

I have upgraded Oak version to 1.0.16 and tried online compaction only.Did not help much.

Done workflow and audit purge too.

I thought of running offline compaction also. But I heard that we need at least equal empty space in our disk to run the same.

Currently I have 72 GB used and 50 GB empty space. Can I do offline compaction in this circumstance ?

G
Gokul2011
Level 6
October 16, 2015

Hi Summit,

Now you have 50Gb free space  and your crx-quickstart folder size is 72 GB right?

You can perform offline compaction and just see you got free space.

O
Adobe Employee
ogillAdobe Employee
Adobe Employee
October 16, 2015

Hi,

from what I have heard anecdotally is that online tar compaction needs to be run a few times before it starts reclaiming disk space. Please try a few more time to see if it makes a difference.

Regards,

Opkar

S
sumitc22Author
Level 4
October 16, 2015

Yes i saw it under the link you provided. I ran it quite a few times manually. It did not help yesterday.

When I checked today right now ( was getting ready for offline compaction)..surprise...surprise , the free space is increased to 77 GB from 50 GB.

Seems that the scheduled revision clean up run at night worked :)

O
Adobe Employee
ogillAdobe EmployeeAccepted solution
Adobe Employee
October 16, 2015

Hi,

the effect of online compaction averages over a few days(not as immediate as offline compaction), so you will not see an effect straight away.

For offline compaction, you should have at least twice the size of your repository, so for a 72GB repository, 50GB free space would not have been enough. Personally I would have preferred a bit more than double the size, but then I'm quite cautious :)

Regards,

Opkar

S
sumitc22Author
Level 4
October 16, 2015

Thanks Gokul for confirmation. Will try offline compaction then.

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