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Paul Ferraro updated AS7-1170:
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Fix Version/s: 7.0.0.Final
support configuration of number of virtual nodes
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Key: AS7-1170
URL:
https://issues.jboss.org/browse/AS7-1170
Project: Application Server 7
Issue Type: Feature Request
Components: Clustering
Affects Versions: 7.0.0.CR1
Reporter: Michal Linhard
Assignee: Paul Ferraro
Priority: Critical
Fix For: 7.0.0.Final
I recently played with consistent hash function implementation and produced various
performance statistics.
It shows that number of virtual nodes (configuration parameter I98 in
https://docspace.corp.redhat.com/docs/DOC-69249) has substantial effect on performance.
(it makes distribution of data among nodes in the cluster much more even and thus avoids
overstressing of one particular node, that would then hinder performance of the whole
cluster)
If the next EDG6 Alpha build will take configuration from infinispan subsystem, we'll
need to have this configurable, otherwise we won't be able to execute some very
important performance comparisons.
it applies to the level of subsystem.cache-container.distributed-cache
so I propose addition of configuration parameter:
subsystem.cache-container.distributed-cache.numVirtualNodes that would have the same
effect as I98 infinispan.configuration.clustering.hash.numVirtualNodes
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