Re: [infinispan-dev] Hot Rod topology cache update retry timeout
----- "Mircea Markus" <mircea.markus(a)jboss.com> wrote:
Looks good.
What is causing this unsuccessful add? If it is caused by timeouts due
to multiple caches operating on the same key an alternative would be
to only perform the operation on the coordinator and rest of the
members to have node added listeners ...
Currently, each node when it starts, it's responsible of adding itself to the view and
when it stops, it's responsible from removing itself. Apart from this, there's a
crashed member listener running only in coordinator that detects whether any member left
without updating the topology view. Your suggestion to have the coordinator control it all
seems like could work and get around potential timeouts.
I'll create a JIRA to investigate this but won't do it for CR1 since I'm
expect this to be a major issue. Metadata size is small and it's not constantly
uddated.
On 18 May 2010, at 19:03, Manik Surtani wrote:
> Fine by me.
>
> On 18 May 2010, at 16:48, galder(a)redhat.com wrote:
>
>> Hi all,
>>
>> For https://jira.jboss.org/browse/ISPN-426 I've created a small
retry logic for when there's an issue updating the topology
information on startup. By default, I set the max wait time to 30
seconds and I was wondering whether this should be made user
configurable. This would a parameter into startServer.sh but it'd only
be relevant to the Hot Rod server.
>>
>> The primary reason I'm considering not to make it user configurable
is cos it's related to Hot Rod metadata which user should not really
be aware of. If after 30 seconds, lightweight metadata hasn't been
updated, something pretty wrong is going on and I doubt increasing it
is going to make much difference.
>>
>> WDYT?
>>
>> Cheers,
>> --
>> Galder Zamarreño
>> Sr. Software Engineer
>> Infinispan, JBoss Cache
>>
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>
> --
> Manik Surtani
> manik(a)jboss.org
> Lead, Infinispan
> Lead, JBoss Cache
> http://www.infinispan.org
> http://www.jbosscache.org
>
>
>
>
>
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