[infinispan-issues] [JBoss JIRA] (ISPN-3780) CLONE - InvalidateL1Command during ST should not cancel writing the entry by ST in nontx

[Radim Vansa (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928805#comment-12928805 ] 

Radim Vansa commented on ISPN-3780:
-----------------------------------

The topology change is started on A only after the invalidation has been sent to C.

By the time the entry was requested from C on A, no value was yet present on A, but C was registered as requestor. Registering registor when the value is null is probably redundant, but the case we are inspecting would happen if the entry already contained some old value.
                
> CLONE - InvalidateL1Command during ST should not cancel writing the entry by ST in nontx
> ----------------------------------------------------------------------------------------
>
>                 Key: ISPN-3780
>                 URL: https://issues.jboss.org/browse/ISPN-3780
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Cache
>    Affects Versions: 5.3.0.Final
>            Reporter: Radim Vansa
>            Assignee: William Burns
>            Priority: Critical
>              Labels: 620
>             Fix For: 6.1.0.Final
>
>
> When a node which is about to receive the entries for some segment receives InvalidateL1Command, this puts the key into StateConsumer.updatedKeys. After the entries for ST are received, the entry which was invalidated is not updated -> this result in losing the entry.
> Btw., in EntryWrappingInterceptor.visitInvalidateL1Command the trace logs all looked up entries for each entry - this causes some performance problems when tracing is on and there are many invalidated entries. Please, do this only once.

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