[infinispan-issues] [JBoss JIRA] (ISPN-4154) Cancelled segment transfer causes future entry transfer to be ignored

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12983710#comment-12983710 ] 

RH Bugzilla Integration commented on ISPN-4154:
-----------------------------------------------

Dave Stahl <dstahl at redhat.com> changed the Status of [bug 1104045|https://bugzilla.redhat.com/show_bug.cgi?id=1104045] from MODIFIED to ON_QA

> Cancelled segment transfer causes future entry transfer to be ignored
> ---------------------------------------------------------------------
>
>                 Key: ISPN-4154
>                 URL: https://issues.jboss.org/browse/ISPN-4154
>             Project: Infinispan
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: State Transfer
>    Affects Versions: 7.0.0.Alpha1
>            Reporter: Radim Vansa
>            Assignee: Dan Berindei
>            Priority: Critical
>             Fix For: 7.0.0.Alpha5
>
>
> Distributed transactional cache.
> 1) Coordinator is gracefully leaving the cluster, sends a REBALANCE_START with topologyId 14, ST begins.
> 2) Node receives chunk from segment X, writes entry K=V to the container.
> 3) New coordinator jumps in with CH_UPDATE topology 16
> 4) Node receives CANCEL_STATE_TRANSFER and cancels transfer of segment X, invalidating K. In CommitManager, this operation is tracked and DiscardPolicy is set to DISCARD_STATE_TRANSFER for key K.
> 5) New coordinator starts rebalance with topology 17
> 6) Node starts new ST for segment X
> 7) Node receives the X: K=V, but in CommitManager it finds out that the policy is set to DISCARD_STATE_TRANSFER and ignores this update.
> Result: entry value is lost on some node.



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