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Posted to dev@qpid.apache.org by "Robbie Gemmell (Jira)" <ji...@apache.org> on 2021/04/05 08:41:00 UTC

[jira] [Updated] (PROTON-2344) memory leak and close_waits in qpid-proton-c / python2-qpid-proton when dropping timeouted connection

     [ https://issues.apache.org/jira/browse/PROTON-2344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robbie Gemmell updated PROTON-2344:
-----------------------------------
    Fix Version/s:     (was: proton-c-0.35.0)
                   proton-c-0.34.0

> memory leak and close_waits in qpid-proton-c / python2-qpid-proton when dropping timeouted connection
> -----------------------------------------------------------------------------------------------------
>
>                 Key: PROTON-2344
>                 URL: https://issues.apache.org/jira/browse/PROTON-2344
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: proton-c-0.33.0
>            Reporter: Pavel Moravec
>            Assignee: Clifford Jansen
>            Priority: Major
>             Fix For: proton-c-0.34.0
>
>         Attachments: mimic_goferd_consumer-with-receive-noSSL.py
>
>
> Packages used from EPEL:
>  * qpid-proton-c-0.33.0-1.el7.x86_64
>  * python2-qpid-proton-0.33.0-1.el7.x86_64
>  
> reproducer idea: connect to a broker with a consumer and some heartbeat set, and mimic dropping packets until the client drops the connection.
>  
> Particular reproducer:
>  * create a queue pulp.agent.TEST.0 in a broker
>  * run below reproducer script (can be further simplified, just modify the ROUTER_ADDRESS)
>  * mimic packets drops on output:
>  
> {noformat}
> port=5647
> a="-I"
> while true; do
>   echo "$(date): setting $a"
>   iptables $a OUTPUT -p tcp --dport $port -j DROP
>   if [ $a = "-I" ]; then
>     a="-D"
>   else
>     a="-I"
>   fi
>   sleep 5
> done{noformat}
>  
> .. and monitor memory usage and CLOSE_WAIT connections.
>  
> The issue sounds to be a regression from python-qpid-proton-0.28.0-3 where I cant reproduce it.
>  
>  



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