[infinispan-dev] poll on self-tuning ISPN / JGROUPS paramters
Manik Surtani
manik at jboss.org
Wed Jul 27 11:47:09 EDT 2011
I would also add:
* Lock acquisition timeout
* various thread pool sizes
Cheers
Manik
On 21 Jul 2011, at 20:20, Paolo Romano wrote:
> Hi,
>
> in the last Cloud-TM's meeting in Rome we have discussed the idea of
> posting a poll asking to ISPN's users which parameters they consider
> more complex to tune, or which parameters they consider as more
> important to be self-tuned.
>
> Before we post the poll, however, we thought to first ask you if you
> think that we could suggest also different parameters.
>
> The current list of parameters includes:
>
> - size of the marshalling buffer
>
> - frequency with which replicationQueue (for asynchronous acks) is
> processed:
> - clustering->async-> replQueueMaxElements
> - clustering->async-> replQueueInterval
>
> -number of max concurrent transactions (currently this is
> unbounded, but we could self-tune the multi-programming level to
> maximize performance depending on the number of available cores, the
> actual conflict rate among transactions etc.)
>
> -lock striping, also adapting size of lock pool (striping can lead
> to false sharing, but reduce the memory footprint and the size of the
> exchanged messages)
>
> -adaptive timeout for deadlock detection, based on the avg duration
> of a transaction/conflict rate etc
>
> Any suggestions?
>
> Cheers,
>
> Paolo
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani
Lead, Infinispan
http://www.infinispan.org
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