[rds-devel] RDS connections

Andy Grover andy.grover at oracle.com
Thu Aug 13 12:37:51 PDT 2009


Yes this is definitely an issue:

https://bugs.openfabrics.org/show_bug.cgi?id=1355

Machine B will keep trying to reconnect to machine A indefinitely. These
attempts will become less frequent over time, FWIW.

We could probably just put a retry count on the connection and give up
after some number. Might we need different behavior depending on if we
had queued data or not?

Regards -- Andy

vkm wrote:
> And I have one more doubt, what if I unloaded module on one machine and
> not on other, will other go in indefinite loop ?
> More specifically, machine A and B are talking on top of RDS
> connections. I unloaded module on machine A or whether it was
> crashed/rebooted. What happens to machine B ?
> 
> gossips J wrote:
>>
>>
>>
>>     If the connection is broken, it will try to re-establish the
>>     connection
>>     indefinitely, but the connection itself is never destroyed unless rds
>>     module is unloaded.
>>
>>     Regards -- Andy
>>
>>
>> Well, thats nice comments written in code, but one thing I am not
>> understanding is the indefinitely re-establishment of connections. Can
>> you elaborate a bit on the why we need connection re-establishment?
>> Any specific reason of such design choice?
>>
>> Thanks again,
>> polk.
>>
>>
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