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https://issues.apache.org/jira/browse/OAK-3695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432370#comment-15432370
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Michael Dürig edited comment on OAK-3695 at 9/21/16 3:31 PM:
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bq. Customers might want to have some statistics about it in order to decide
their maintenance schedule
For this customers are probably better off with the information provided by
{{GCMonitorMBean}} as that one provides information on how much the last gc run
could actually retain and how big the repository was afterwards. We probably
should also add information regarding duration of the last gc run.-[~volteanu]
if you could think of other information that would be useful to add here please
open a issue for that.- I think we should add this information to the
{{FileStoreStatsMBean}}. See OAK-4742.
bq. now run in read-only mode
Yes, read only.
was (Author: mduerig):
bq. Customers might want to have some statistics about it in order to decide
their maintenance schedule
For this customers are probably better off with the information provided by
{{GCMonitorMBean}} as that one provides information on how much the last gc run
could actually retain and how big the repository was afterwards. We probably
should also add information regarding duration of the last gc run. [~volteanu]
if you could think of other information that would be useful to add here please
open a issue for that.
bq. now run in read-only mode
Yes, read only.
> Expose ratio between waste and real data
> ----------------------------------------
>
> Key: OAK-3695
> URL: https://issues.apache.org/jira/browse/OAK-3695
> Project: Jackrabbit Oak
> Issue Type: Story
> Components: segment-tar
> Reporter: Valentin Olteanu
> Labels: gc
> Fix For: Segment Tar 0.0.16
>
>
> As a user, I want to know the ratio (or precise absolute values) between
> waste and real data on TarMK, so that I can decide if Revision GC needs to be
> run. The measurement has to be done on a running repository and without
> impacting the performance.
> This would also help measure the efficiency of Revision GC and see the effect
> of improvements.
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