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From "Robert Varga (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SSHD-846) ECDH/HDG kex retains KeyPairGenerator
Date Mon, 01 Oct 2018 17:56:00 GMT

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

Robert Varga updated SSHD-846:
------------------------------
    Affects Version/s: 1.6.0
                       1.7.0

> 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
>            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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