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How do I clean up disk space?

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Level 5

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

Screen Shot 2019-06-06 at 10.37.58.png

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%2Ctyp...)

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!

3 Replies

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Employee Advisor

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?

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Level 5

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...

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Employee Advisor

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.