[infinispan-dev] Move to JGroups 2.11.0GA

[Bela Ban]

Hmm, interesting !

This is clearly a scenario where ergonomics is incorrect, I'll create a 
JIRA to change this (in 2.11.1).

Meanwhile, I suggest set ergonomics=false in TCPPING *only* in the 
configuration.


On 11/23/10 7:58 PM, Vladimir Blagojevic wrote:
> Hi,
>
> With a move to JGroups 2.11.0.GA I get a about dozen test failures
> locally in Infinispan test suite. I made no changes to tcp.xml
> configuration file. Upon closer inspection I noticed that message are
> sometimes getting dropped at discovery phase since logical names did not
> get mapped to physical addresses. In order to alleviate such cases
> JGroups has return_entire_cache boolean flag in all discovery protocols.
> If return_entire_cache is true the entire cache of these mappings is
> returned to a joining node upon join request.
>
> However, JGroups 2.11 also has ergonomics protocol attribute (true by
> default) and if we are dealing with small clusters (<10 nodes)
> return_entire_cache is set to false during runtime despite
> return_entire_cache being preset to true by default in TCPPING (see
> Discovery#down).
>
> After I set ergonomics="false" for TCPPING a local run of Infinispan
> test suite passed with zero failures or skipped tests!
>
> What should we do?
>
> Regards,
> Vladimir

-- 
Bela Ban
Lead JGroups / Clustering Team
JBoss