[infinispan-dev] TransactionTable concurrent maps and concurrency levels

Manik Surtani manik at jboss.org
Thu Jan 12 13:17:24 EST 2012


The same goes for the pendingPrepares map in TransactionLog

On 12 Jan 2012, at 17:45, Manik Surtani wrote:

> The two concurrent maps (for local and remote transactions) use default concurrency levels.  Should these be tuneable in <transaction …>, and either way, what should they default to?  I really don't think the JDK default (16!) is nearly good enough.  I have a benchmark that runs 250 threads and this causes a lot of blocking on these maps.
> 
> How about <locking concurrencyLevel … > as the default for these maps?  Is that good enough in terms of a config parameter, or do we want finer-grained control?
> 
> Cheers
> Manik
> --
> Manik Surtani
> manik at jboss.org
> twitter.com/maniksurtani
> 
> Lead, Infinispan
> http://www.infinispan.org
> 
> 
> 
> 
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Lead, Infinispan
http://www.infinispan.org






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