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https://issues.apache.org/jira/browse/AIRFLOW-1779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236265#comment-16236265
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ASF subversion and git services commented on AIRFLOW-1779:
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Commit 1bde7833854210676dcd6e8da8b6d9567e12031a in incubator-airflow's branch
refs/heads/master from [~RJKeevil]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=1bde783 ]
[AIRFLOW-1779] Add keepalive packets to ssh hook
Make use of paramiko's set_keepalive method to
send keepalive packets every
keepalive_interval seconds. This will prevent
long running queries with no terminal
output from being termanated as idle, for example
by an intermediate NAT.
Set on by default with a 30 second interval.
Closes #2749 from RJKeevil/add-sshhook-keepalive
> Add keepalive packets to ssh hook
> ---------------------------------
>
> Key: AIRFLOW-1779
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1779
> Project: Apache Airflow
> Issue Type: Improvement
> Components: contrib
> Affects Versions: Airflow 1.8
> Reporter: Rob Keevil
> Assignee: Rob Keevil
> Fix For: 1.9.0
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The existing SSH hook does not make use of keepalive packets, and connections
> may thus be dropped for long running commands that do not have frequent
> terminal output. Paramiko has a set_keepalive method available on Transport
> objects, and we should optionally set this in the SSHHook.
> I'm working on adding this, will link PR here when ready.
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