[jira] [Work started] (SSHD-846) ECDH/HDG kex retains KeyPairGenerator

["Goldstein Lyor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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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