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https://issues.apache.org/jira/browse/OAK-4883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568482#comment-15568482
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Timothee Maret commented on OAK-4883:
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[~frm] I assume you mean that line [0]. If so, it behaves the same as before
the patch in OAK-4089. A node store instance is build however it is registered
only if the instance is *not* a primary [1].
The patch keeps the goal of OAK-4089, by not registering the observation
subsystem as mentioned in [2].
AFAIU, a node store instance is required in order to build the {{BlobGCMBean}}.
I may be wrong about that or maybe there's a way to get the required
information to build the {{BlobGCMBean}}. If so I'd be happy to update the
patch.
[0]
https://github.com/tmaret/jackrabbit-oak/blob/OAK-4883/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java#L339
[1]
https://github.com/tmaret/jackrabbit-oak/blob/OAK-4883/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java#L340
[2]
https://github.com/apache/jackrabbit-oak/blob/2b6c2f5340f3b6485dda5c493f6343d232c883e9/oak-segment/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java#L595
> Missing BlobGarbageCollection MBean on standby instance
> -------------------------------------------------------
>
> Key: OAK-4883
> URL: https://issues.apache.org/jira/browse/OAK-4883
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segment-tar, segmentmk
> Reporter: Alex Parvulescu
> Assignee: Timothee Maret
> Labels: gc
> Attachments: OAK-4883.patch
>
>
> The {{BlobGarbageCollection}} MBean is no longer available on a standby
> instance, this affects non-shared datastore setups (on a shared datastore
> you'd only need to run blob gc on the primary).
> This change was introduced by OAK-4089 (and backported to 1.4 branch with
> OAK-4093).
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