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S
Swathi1
Level 2
August 19, 2016

Automation of data store garbage collection

  • August 19, 2016
  • 2 replies
  • 7079 views

Hi All,

I'm trying to automate the data store garbage collection through the curl command given in below link :

https://docs.adobe.com/docs/en/aem/6-0/administer/operations/data-store-garbage-collection.html

Curl command: 

     
1
curl -u admin:xyz -X POST --data markOnly=false http://localhost:4502/system/console/jmx/org.apache.jackrabbit.oak%3Aid%3D14%2Cname%3D%22repository+manager%22%2Ctype%3D%22RepositoryManagement%22/op/startDataStoreGC/boolean
 

But not able to get the correct response. When we hit the URL given in the curl command it is giving us the 404 error message as it is unable to find the operations "runDataStoreGarbageCollection". When I hit the url without the operations (shared below), it is able to find  but unable to open the operation as it is opened as a pop-up. Please advise on how to automate data store garbage collection.

curl -u admin:admin -X POST http://localhost:4502/system/console/jmx/com.adobe.granite:type=Repository

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    2 replies

    antoniom5495929
    antoniom5495929
    Level 7
    August 19, 2016

    If you try to open the url from the system console, you have a 404?

    something like: system/console/jmx/org.apache.jackrabbit.oak%3Aid%3D14%2Cname%3D%22repository+manager%22%2Ctype%3D%22RepositoryManagement%22

    S
    Swathi1Author
    Level 2
    August 19, 2016

    Hi,

    Without /op/startDataStoreGC/boolean in the URL, I'm able to open jmx console. But with /op/... I'm getting 404. Please see the attachment.

    O
    Adobe Employee
    ogillAdobe Employee
    Adobe Employee
    August 19, 2016

    Hi Swati,

    there is an error in the docs, please try the command below I used for 6.2

    curl -u admin:admin -X POST --data markOnly=false http://localhost:4502/system/console/jmx/org.apache.jackrabbit.oak:id=14,name="repository manager",type="RepositoryManagement"/op/startDataStoreGC/boolean

    The docs also claim that the above command will return after Datastore Garbage Collection(DSGC) has completed, this is incorrect. The curl command returns almost immediately, but the DSGC process is still running on the server. You can check the logs to see when the DSGC process has completed, it is because of this reason that you may be able to initiate DSGC, but you would have to check the logs to see when it finished or whether it finished without any errors.

    For anyone using a 6.2 shared datastore setup, then please don't try and automate DSGC, as you would have to run DSGC in mark only mode on all servers and wait for the mark phase to complete, before attempting to run it with mark only false i.e. sweep mode, otherwise you will get an error:

    26.07.2016 13:42:23.526 *ERROR* [sling-oak-observation-746] org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector Not all repositories have marked references available : [7e86561f-ca7e-4365-834b-0992b95001ae] 26

    Regards,

    Opkar

    joerghoh
    Adobe Employee
    joerghohAdobe Employee
    Adobe Employee
    August 25, 2016

    Make sure you get the quoting right, otherwise the Shell interprets characters like "&".

    Jörg

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