Hi,
I am using infinispan 5.2.3.
My configuration is non-transactional, synchronous.
With this configuration, is my replication supposed to perform better than
distribution, for both reads and writes?
My Cluster Size requirement is 4 nodes.
And my application involves both reads and writes heavily.
For better performance, are there any suggestions on the clustering
modes/configurations?
All my tests show, replication having better performance than distribution for reads as
well as writes, with 4 nodes.
Thanks,
Faseela
-----Original Message-----
From: infinispan-dev-bounces(a)lists.jboss.org
[mailto:infinispan-dev-bounces@lists.jboss.org] On Behalf Of Radim Vansa
Sent: Monday, August 12, 2013 6:13 PM
To: infinispan-dev(a)lists.jboss.org
Subject: Re: [infinispan-dev] Recommended Cluster Size for Replication Mode
Hi,
which version exactly do you use, 5.2.x, 5.3.x or 6.0.x? In 5.2 the replication mode was
implemented separately from distribution mode and depending on your configuration (is it
non-transactional synchronous?) the message control flow could differ. Since 5.3
replication mode is implemented in the same manner and the results should be more
comparable.
I may be wrong here, but in 5.2.x concurrent writes to single key in non-transactional
mode could result in entries being out of sync on some nodes (the writes could arrive at
two nodes in different order). I think this cannot happen in >= 5.3 anymore.
Radim
On 08/12/2013 09:04 AM, Faseela K wrote:
Hi,
With a 3 node cluster, even for "WRITES" my replication performance is
better than distribution.
That's why I came across this doubt.
Could some body please clarify, why the behaviour is like this?
Thanks,
Faseela
-----Original Message-----
From: infinispan-dev-bounces(a)lists.jboss.org
[mailto:infinispan-dev-bounces@lists.jboss.org] On Behalf Of Mircea
Markus
Sent: Friday, August 09, 2013 7:14 PM
To: infinispan -Dev List
Subject: Re: [infinispan-dev] Recommended Cluster Size for Replication
Mode
On 6 Aug 2013, at 15:19, Faseela K <faseela.k(a)ericsson.com> wrote:
> What is the recommended cluster size for Replication Mode?
> Given 3 nodes, My replication configuration performs better than my distributed
configuration.
> Just wanted to know, at what cluster size, distribution will perform better than
replication.
There's no straight answer, it depends on the read/write ratio and the amount of data
you store.
Replication will always perform better for reads as it won't involve a remote call to
get the data.
If you're mostly doing reads and your memory allows (replication is more memory
consuming) then you should use replication.
If the amount of data increases or you're doing more writes, distribution is the way
to go.
Cheers,
--
Mircea Markus
Infinispan lead (
www.infinispan.org)
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