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https://issues.apache.org/jira/browse/OAK-7116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrei Dulceanu updated OAK-7116:
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Fix Version/s: 1.38.0
> Use JMX mode to reindex on SegmentNodeStore without requiring manual steps
> --------------------------------------------------------------------------
>
> Key: OAK-7116
> URL: https://issues.apache.org/jira/browse/OAK-7116
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: run
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Priority: Major
> Fix For: 1.36.0, 1.38.0
>
>
> oak-run indexing for SegmentNodeStore currently require following steps while
> performing indexing against a repository which is in use [1]
> # Create checkpoint via MBean and pass it as part of cli args
> # Perform actual indexing with read only access to repo
> # Import the index via MBean operation
> As per current documented steps #1 and #3 are manual. This can potentially be
> simplified by directly using JMX operation from within oak-run as currently
> for accessing SegmentNodeStore oak-run needs to run on same host as actual
> application
> *JMX Access*
> JMX access can be done via following ways
> # Application using Oak has JMX remote
> ## Enabled and same info provided as cli args
> ## Not enabled - In such a case we can rely on
> ### pid and [local
> connection|https://stackoverflow.com/questions/13252914/how-to-connect-to-a-local-jmx-server-by-knowing-the-process-id]
> or [attach|https://github.com/nickman/jmxlocal]
> ### Or query all running java prcess jmx and check if SegmentNodeStore repo
> path is same as one provided in cli
> # Application using OAk
> *Proposed Approach*
> # Establish the JMX connection
> # Create checkpoint using the JMX connection programatically
> # Perform indexing with read only access
> # Import the index via JMX access
> With this indexing support for SegmentNodeStore would be at par with
> DocumentNodeStore in terms of ease of use
> [1] https://jackrabbit.apache.org/oak/docs/query/oak-run-indexing.html
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