[
https://issues.jboss.org/browse/ISPN-835?page=com.atlassian.jira.plugin.s...
]
John Ament commented on ISPN-835:
---------------------------------
Well, looking at it, I thought #1 was already working in AS 6 Final, but figured not since
my instances aren't working right in clusters. This is what the default config looks
like in AS 6 Final, what would need to be changed to try #3?
<default>
<locking isolationLevel="REPEATABLE_READ"
lockAcquisitionTimeout="15000" useLockStriping="false"
concurrencyLevel="1000"/>
<jmxStatistics enabled="true"/>
<lazyDeserialization enabled="true"/>
<invocationBatching enabled="true"/>
<clustering mode="replication">
<!-- ISPN-835 workaround, use cluster cache loader in place of state transfer
-->
<!--stateRetrieval timeout="60000"
fetchInMemoryState="true"/-->
<async useReplQueue="false"/>
</clustering>
<loaders passivation="true">
<loader class="org.infinispan.loaders.file.FileCacheStore"
fetchPersistentState="true" purgeOnStartup="true">
<properties>
<property name="location"
value="${jboss.server.data.dir}${/}web"/>
</properties>
</loader>
<loader
class="org.infinispan.loaders.cluster.ClusterCacheLoader"/>
</loaders>
</default>
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 ZamarreƱo
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/o...
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/o...
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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