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https://issues.apache.org/jira/browse/IGNITE-6667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16238851#comment-16238851
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Dmitriy Pavlov commented on IGNITE-6667:
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After this change test
https://ci.ignite.apache.org/project.html?projectId=Ignite20Tests&testNameId=-8122916584508695460&tab=testDetails&branch_Ignite20Tests=%3Cdefault%3E
began to fail.
[~ascherbakov], could you please fix test?
> Allow discovery cache instance reuse if only minor topology change has
> occured.
> -------------------------------------------------------------------------------
>
> Key: IGNITE-6667
> URL: https://issues.apache.org/jira/browse/IGNITE-6667
> Project: Ignite
> Issue Type: Improvement
> Security Level: Public(Viewable by anyone)
> Affects Versions: 2.2
> Reporter: Alexei Scherbakov
> Priority: Major
> Fix For: 2.4
>
>
> Currently we always recreating DiscoCache instance even if only minor
> topology change has occured and cache may be reused.
> Profiling shows what initialization of such object tooks up tens of millis
> which adds to ring latency delay and especially sensitive for large
> topologies.
> Solution: reuse current discovery cache instance whenever possible.
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