On 22 Mar 2013, at 11:05, Tristan Tarrant <ttarrant(a)redhat.com> wrote:
Hi all,
the current list of configuration parameters which can be tweaked at
runtime is quite small:
Global
Nothing
Cache
AsyncStoreConfiguration.flushLockTimeout(long l)
AsyncStoreConfiguration.shutdownTimeout(long l)
LockingConfiguration.lockAcquisitionTimeout(long lockAcquisitionTimeout)
StateTransferConfiguration.timeout(long l)
StoreAsBinaryConfiguration.enabled(boolean enabled)
SyncConfiguration.replTimeout(long l)
TransactionConfiguration.cacheStopTimeout(long l)
TransactionConfiguration.lockingMode(LockingMode lockingMode)
TransactionConfiguration.syncCommitPhase(boolean b)
TransactionConfiguration.syncRollbackPhase(boolean b)
TransactionConfiguration.transactionManagerLookup(TransactionManagerLookup
transactionManagerLookup)
TransactionConfiguration.useEagerLocking(boolean b)
We're probably being over-conservative here, and it would be nice to be
able to tune more parameters, such as async queue size, eviction size,
default expiration, thread pool configuration and whatever else can be
done without too much effort.
Could you all please look at your respective areas of competence and see
if we can expose any tunable parameters ?
Obviously these need to be exposed via JMX/RHQ as well.
+1. But this is unlikely to happen by "asking nicely" like this on this list.
:-) Your best bet may well be to look at each config option, see which one makes logical
sense to tweak at runtime, and run it by anyone who owns that piece of code.
Thanks
Tristan
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Manik Surtani
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Platform Architect, JBoss Data Grid
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