David Rees wrote:
On Mon, Mar 31, 2008 at 12:52 PM, Rainer Jung <[EMAIL PROTECTED]> wrote:
Ronald Klop schrieb:
See my previous mail about send/receive buffers filling because Ack
> wasn't read by FastAsyncSender.
> The option waitForAck="true" did the trick for me. But for
> FastAsyncSender you should set sendAck="false" on the receiving side.
Usually the cluster looks at the receiver setting for waitForAck and
then sets the senders sendAck to the same value. So in theory the
problem you observed should not happen.
I've got a cluster in my test lab with the following configuration on 5.5.26:
<Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"/>
Looking at /manager/jmxproxy?qry=*:* I see the same thing on both
nodes (extra info snipped for brevity):
Name: Standalone:type=ClusterSender,host=www.example.local
modelerType: org.apache.catalina.cluster.tcp.ReplicationTransmitter
info: ReplicationTransmitter/3.0
replicationMode: fastasyncqueue
ackTimeout: 15000
autoConnect: false
waitForAck: true
Name:
Standalone:type=IDataSender,host=www.example.local,senderAddress=10.2.1.170,senderPort=8015
modelerType: org.apache.catalina.cluster.tcp.FastAsyncSocketSender
info: FastAsyncSocketSender/3.1
waitForAck: false
Name: Standalone:type=ClusterReceiver,host=www.example.local
modelerType: org.apache.catalina.cluster.tcp.SocketReplicationListener
info: SocketReplicationListener/1.3
sendAck: true
those settings are no good. waitForAck and sendAck must have the same
value everywhere
even if it seems to work fine, you're asking for trouble, at some point,
you'll fill up socket buffers etc
Filip
Is this expected? Replication appears to be functioning fine. The
Queues aren't building up (but I haven't been able to duplicate the
Queue build up issue in my test lab).
-Dave
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