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https://issues.apache.org/jira/browse/DIRMINA-1070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148533#comment-16148533
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Emmanuel Lecharny commented on DIRMINA-1070:
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At this point, I think it would be a good idea to move this ticket to SSHD, for
our fellow sshd dev to gie you a better answer!
> Avoid unbounded message queueing when sending large amounts of data to slow
> clients
> -----------------------------------------------------------------------------------
>
> Key: DIRMINA-1070
> URL: https://issues.apache.org/jira/browse/DIRMINA-1070
> Project: MINA
> Issue Type: New Feature
> Components: Core
> Reporter: jpalacios
> Labels: stability
>
> Our application runs an Apache MINA server to provide SSH support. We are
> seeing {{OutOfMemoryError}} s when certain clients establish a session with a
> large {{Window}} size. Particularly clients like TortoiseGit (which uses
> TortoisePlink which in turn seems to use Putty) use an initial window size of
> 2GB. From heap dumps we can see that the {{DefaultWriteRequestQueue}} is
> filling up with {{WriteRequest}} instances and taking up gigabytes of space
> until the heap blows.
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