[infinispan-issues] [JBoss JIRA] Commented: (ISPN-835) State transfer should not force all invocations to be synchronous

[John Ament (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12576776#comment-12576776 ] 

John Ament commented on ISPN-835:
---------------------------------

At least in my case, when using AS 6 which has Work around #1 enabled by default, I still run in to replication timeout exceptions.  Is it possible to try #2 or #3 purely by modifying AS 6's configuration?

> State transfer should not force all invocations to be synchronous
> -----------------------------------------------------------------
>
>                 Key: ISPN-835
>                 URL: https://issues.jboss.org/browse/ISPN-835
>             Project: Infinispan
>          Issue Type: Bug
>          Components: RPC, State transfer
>    Affects Versions: 4.1.0.Final, 4.2.0.CR4
>            Reporter: Galder Zamarreño
>            Assignee: Manik Surtani
>             Fix For: 5.0.0.BETA1, 5.0.0.Final
>
>
> Enabling state transfer is forcing even asynchronous caches to become synchronous.
> A better way is needed to make sure state transfer works correctly (sync calls needed here) while normal replication calls remain asynchronous.
> See https://github.com/infinispan/infinispan/blob/master/core/src/main/java/org/infinispan/remoting/transport/jgroups/CommandAwareRpcDispatcher.java#L254 where the response mode is overridden based on whether replay is supported.  And replay support is always on when state transfer is enabled:
> https://github.com/infinispan/infinispan/blob/master/core/src/main/java/org/infinispan/remoting/rpc/RpcManagerImpl.java#L101
> Need to explore whether a joiner flag can be maintained based on a view change, and replay only supported when a joiner is still "joining", and not otherwise.

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