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https://issues.apache.org/jira/browse/OAK-7864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16670072#comment-16670072
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Axel Hanikel commented on OAK-7864:
-----------------------------------
The latest attachment is much less invasive than the previous ones and just
logs the {{RecordId}} in the {{CachingSegmentReader}}. I'm going to use the log
produced by this one and see if it is just as easy to replay.
> Recording read operations to the segment store
> ----------------------------------------------
>
> Key: OAK-7864
> URL: https://issues.apache.org/jira/browse/OAK-7864
> Project: Jackrabbit Oak
> Issue Type: New Feature
> Components: segment-tar
> Affects Versions: 1.9.9
> Reporter: Axel Hanikel
> Assignee: Francesco Mari
> Priority: Minor
> Attachments:
> 0001-OAK-7864-Recording-read-operations-to-the-segment-st.patch,
> 0001-OAK-7864-Recording-read-operations-to-the-segment-st.patch,
> 0001-OAK-7864-Recording-read-operations-to-the-segment-st.patch
>
>
> This is the companion to OAK-7849. Its aim is to record read operations in a
> log file, like this:
> {noformat}
> 1540373238486 FelixStartLevel n? /:clusterConfig
> 1540373238497 FelixStartLevel n? /:clusterConfig
> 1540373238540 FelixStartLevel p? /:clusterConfig :clusterId
> 1540373238542 FelixStartLevel n? /:clusterConfig
> 1540373238551 FelixStartLevel p? /:clusterConfig :clusterId
> 1540373238560 FelixStartLevel n? /:clusterConfig
> 1540373238569 FelixStartLevel p? /:clusterConfig :clusterId
> 1540373243447 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243447 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes
> 1540373243447 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes/fd:xdp
> 1540373243541 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243541 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes
> 1540373243541 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes/sling:OsgiConfig
> 1540373243619 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes/sling:HierarchyNode
> 1540373243619 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes/sling:Folder
> 1540373243619 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/jcr:nodeTypes/sling:OrderedFolder
> 1540373243619 Apache+Sling+Repository+Startup+Thread n? /jcr:system
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/rep:namespaces
> 1540373243619 Apache+Sling+Repository+Startup+Thread n?
> /jcr:system/rep:namespaces/rep:nsdata
> 1540373243634 Apache+Sling+Repository+Startup+Thread p?
> /jcr:system/rep:namespaces sling
> {noformat}
>
> where n = node, p = property and '?' stands for "read" (so that the output
> can be combined with the log from OAK-7849, if desired).
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