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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-10959) missing timeout option propagation in cqlsh (cqlsh.py)
Date Fri, 08 Jan 2016 18:40:39 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tyler Hobbs updated CASSANDRA-10959:
------------------------------------
    Fix Version/s: 3.0.x
                   2.2.x

> missing timeout option propagation in cqlsh (cqlsh.py)
> ------------------------------------------------------
>
>                 Key: CASSANDRA-10959
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10959
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>         Environment: linux
>            Reporter: Julien Blondeau
>              Labels: patch
>             Fix For: 2.2.x, 3.0.x, 3.x
>
>         Attachments: 10959-3.1.1.txt
>
>   Original Estimate: 10m
>  Remaining Estimate: 10m
>
> On a slow cluster (here used for testing purpose), cqlsh fails with a timeout error,
whatever --connect-timeout option you can pass.
> Here is a sample call:
> {noformat}
> cqlsh 192.168.XXX.YYY
> Connection error: ('Unable to connect to any servers', {'192.168.XXX.YYY': OperationTimedOut('errors=None,
last_host=None',)})
> {noformat}
> {noformat}
> cqlsh --connect-timeout=30 192.168.XXX.YYY
> Connection error: ('Unable to connect to any servers', {'192.168.XXX.YYY': OperationTimedOut('errors=None,
last_host=None',)})
> {noformat}
> Debugging shows that the timeout is not properly propagated on the underlying {{ResponseWaiter.deliver()}}
method in {{/usr/share/cassandra/lib/cassandra-driver-internal-only-3.0.0-6af642d.zip/cassandra-driver-3.0.0-6af642d/cassandra/connection.py}}
> Workaround is to propagate, in cqlsh.py, the {{--connect-timeout}} option when initialize
the cluster connection object (i.e. add kwarg "control_connection_timeout" in addition to
the existing kwarg "connect_timeout")
> {noformat}
> Cluster(
>     <other args>,
>     control_connection_timeout=float(connect_timeout),
>     connect_timeout=connect_timeout)
> {noformat}



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