Andrey Mashenkov created IGNITE-18897:
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Summary: TopologyService must cache local ClusterNode.
Key: IGNITE-18897
URL: https://issues.apache.org/jira/browse/IGNITE-18897
Project: Ignite
Issue Type: Improvement
Components: networking
Reporter: Andrey Mashenkov
Fix For: 3.0.0-beta2
As of now, ScaleCudeTopologyService.localMember() creates a new ClusterNode
instance on each call.
This method used widely in the project, so it make sense to avoid unwanted
instantiations.
Moreover, every message is checked if it is sent to a local node or not, and
uses topologyService.localMember(). We can get faster equality checks if local
ClusterNode will be a single object.
Let's cache ClusterNode object for the local node,
and maybbe do the same for all objects using `intern()` ideas, like is is done
in RelDataTypeFactoryImpl in Calcite (see Interners.newWeakInterner() from
Guava)
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