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https://issues.apache.org/jira/browse/OAK-272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig reassigned OAK-272:
---------------------------------
Assignee: Michael Dürig
> every session login causes a mk.branch operation
> ------------------------------------------------
>
> Key: OAK-272
> URL: https://issues.apache.org/jira/browse/OAK-272
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Reporter: Stefan Guggisberg
> Assignee: Michael Dürig
>
> here's the relevant stack trace (copied from OAK-267):
> {code}
> at
> org.apache.jackrabbit.mk.core.MicroKernelImpl.branch(MicroKernelImpl.java:508)
> at
> org.apache.jackrabbit.oak.kernel.KernelNodeStoreBranch.<init>(KernelNodeStoreBranch.java:56)
> at
> org.apache.jackrabbit.oak.kernel.KernelNodeStore.branch(KernelNodeStore.java:101)
> at org.apache.jackrabbit.oak.core.RootImpl.refresh(RootImpl.java:160)
> at org.apache.jackrabbit.oak.core.RootImpl.<init>(RootImpl.java:111)
> at
> org.apache.jackrabbit.oak.core.ContentSessionImpl.getCurrentRoot(ContentSessionImpl.java:78)
> at
> org.apache.jackrabbit.oak.jcr.SessionDelegate.<init>(SessionDelegate.java:94)
> at org.apache.jackrabbit.oak.jcr.RepositoryImpl.login(RepositoryImpl.java:137)
> [...]
> {code}
> while investigating OAK-267 i've noticed >40k empty branch commits all based
> on the same head revision.
> those branch commits seem to be unnecessary since they're all empty (i.e. not
> followed by write operations).
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