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From "Ganesh Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DISPATCH-1213) Sender link sending pre-settled multi-frame deliveries can stall if receiver drops
Date Thu, 06 Dec 2018 19:32:00 GMT

     [ https://issues.apache.org/jira/browse/DISPATCH-1213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ganesh Murthy updated DISPATCH-1213:
------------------------------------
    Summary: Sender  link  sending  pre-settled multi-frame deliveries can stall if receiver
drops    (was: Sender  link which is sending  pre-settled multi-frame deliveries can stall
if receiver drops  )

> Sender  link  sending  pre-settled multi-frame deliveries can stall if receiver drops
 
> ---------------------------------------------------------------------------------------
>
>                 Key: DISPATCH-1213
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-1213
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Container
>    Affects Versions: 1.4.1
>            Reporter: Ganesh Murthy
>            Assignee: Ganesh Murthy
>            Priority: Major
>             Fix For: 1.5.0
>
>
> Steps to reproduce -
>  # Start the router
>  #  Start a receiver and receive 10 messages.
> {noformat}
> python simple_recv.py --address 0.0.0.0/examples -m10{noformat}
>  # Send 200 large presettled messages
> {noformat}
> python big_send_settled.py --address 0.0.0.0/examples -m200{noformat}
>  # Look at the output of qdstat -g
> {noformat}
> [gmurthy@localhost ~]$ qdstat -g
> Router Statistics
>   attr                             value
>   =============================================================
>   Version                          1.5.0-SNAPSHOT
>   Mode                             standalone
>   Router Id                        Standalone_lPF38hMqjGI_iAO
>   Area                             0
>   Link Routes                      0
>   Auto Links                       0
>   Links                            3
>   Nodes                            0
>   Addresses                        5
>   Connections                      2
>   Presettled Count                 17
>   Dropped Presettled Count         2
>   Accepted Count                   1
>   Rejected Count                   0
>   Released Count                   0
>   Modified Count                   0
>   Ingress Count                    19
>   Egress Count                     17
>   Transit Count                    0
>   Deliveries from Route Container  0
>   Deliveries to Route Container    0
> {noformat}
> The Ingress Count should be more than 200. We had all the credit we need to send 200
messages.
>  # The messages are stuck inside the proton buffer. The router stopped fetching the messages
from the proton buffer as soon as the q2_holdoff limit was hit.



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