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https://issues.apache.org/jira/browse/SSHD-846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on SSHD-846 started by Goldstein Lyor.
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> ECDH/HDG kex retains KeyPairGenerator
> -------------------------------------
>
> Key: SSHD-846
> URL: https://issues.apache.org/jira/browse/SSHD-846
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 1.6.0, 1.7.0, 2.0.0
> Reporter: Robert Varga
> Assignee: Goldstein Lyor
> Priority: Major
>
> Analysis of a heap dump of running OpenDaylight with 10K concurrent NETCONF
> sessions over SSH transport shows that around 16% of the heap is used by
> Bouncy Castle's KeyPairGeneratorSpi$EC and related objects – accounting for
> ~26% of OpenDaylight's per-session memory overhead.
> These objects are retained by org.apache.sshd.common.kex.ECDH's myKpairGen
> field, which is never used once a keypair is generated.
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