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jkpanera
jkpanera
Level 4
June 6, 2019

How do I clean up disk space?

  • June 6, 2019
  • 1 reply
  • 4890 views

According to my disk usage report, my JCR repository is 1.97 GB:

But when I look at the actual disk space taken up it's 15 GB:

$ sudo du -sh repository/

15G repository/

I understand that there is some overhead but 10 x seems absurd.

I've run the data store garbage collection and the revision garbage collection (http://localhost:4502/system/console/jmx/org.apache.jackrabbit.oak%3Aname%3Drepository+manager%2Ctype%3DRepositoryManagement)

but it doesn't seem to free up more space. I'm running on a VM that is a pain to resize and I need to free up space.

Any help is appreciated!

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    1 reply

    U
    Adobe Employee
    user05162Adobe Employee
    Adobe Employee
    June 6, 2019

    I believe disk cleanup is only checking  "repository/segmentstore" folder. There are other folders under repository as well.

    Can you check the size of "datastore", "blobid" and "index" directories?

    jkpanera
    jkpaneraAuthor
    Level 4
    June 6, 2019

    Looks like the biggest cuprit is repository/datastore.

    crx-quickstart]$ sudo du --max-depth=2 -h .

    202M ./launchpad/installer

    4.7M ./launchpad/config

    8.0K ./launchpad/conf

    482M ./launchpad/felix

    3.5M ./launchpad/startup

    693M ./launchpad

    2.3M ./repository/blobids

    65M ./repository/index

    12G ./repository/datastore

    2.8G ./repository/segmentstore

    15G ./repository

    1.5M ./opt/helpers

    1.6M ./opt/portal

    76K ./opt/notsoserial

    18M ./opt/filevault

    33M ./opt/extensions

    54M ./opt

    3.8M ./threaddumps/20190604

    1.2M ./threaddumps/20190606

    4.0M ./threaddumps/20190605

    3.9M ./threaddumps/20190405

    352K ./threaddumps/20190602

    3.0M ./threaddumps/20190531

    400K ./threaddumps/20190406

    168K ./threaddumps/20190525

    2.8M ./threaddumps/20190603

    20M ./threaddumps

    12K ./monitoring

    4.0K ./logs/ffmpeg

    5.5M ./logs

    40K ./bin

    236K ./conf

    463M ./app

    16G .

    I thought that's what the datastore garbage collection cleaned up...

    U
    Adobe Employee
    user05162Adobe Employee
    Adobe Employee
    June 6, 2019

    By default, everything above 4KB will go to datastore. So, it mostly assets, packages, other files, etc.

    That said, DSGC will only clear up storage in datastore for the nodes that are not referenced in the segmentstore. So, you need to actually delete assets, packages and other files -> Run Revision cleanup -> Run DSGC to free up the disk space.

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