The idea behind the ReplicationValve filter is to save time and do not
check for session changes for certain URL's.
However, it takes about the same time to check if the session has
changed as to go through the filter, so you can leaveit empty
best
Filip
On 02/25/2010 06:43 AM, Stephane Lorin wrote:
Hi,
I’d just configure a tomcat’s cluster with two nodes. The version of Tomcat
is 6.0.24 with JRE 6.0.15 on Ubuntu 9.10.
Cluster’s part of my “Server.xml”:
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
channelSendOptions="8">
<Manager className="org.apache.catalina.ha.session.DeltaManager"
expireSessionsOnShutdown="false"
notifyListenersOnReplication="true"/>
<Channel
className="org.apache.catalina.tribes.group.GroupChannel">
<Membership
className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.4"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver
className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="192.168.1.108"
port="4000"
autoBind="100"
selectorTimeout="5000"
maxThreads="6"/>
<Sender
className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport
className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
</Sender>
<Interceptor
className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"
/>
<Interceptor
className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15In
terceptor"/>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
filter=".*index.*;"/>
<Valve
className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
<Deployer
className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
<ClusterListener
className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/>
<ClusterListener
className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>
Clustering connection work well and I see members appear or disappear in the
log file.
Log node 1:
INFO: Created a buffer pool with max size:104857600 bytes of
type:org.apache.catalina.tribes.io.BufferPool15Impl
25 févr. 2010 14:35:42 org.apache.catalina.ha.tcp.SimpleTcpCluster
memberAdded
INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{192, 168, 1,
108}:4000,{192, 168, 1, 108},4000, alive=1019,id={93 73 -36 -95 -25 79 67 32
-89 30 -119 95 -9 24 87 -24 }, payload={}, command={}, domain={}, ]
Log node 2:
INFO: Starting clustering manager at /SessionListener
25 févr. 2010 14:35:45 org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
ATTENTION: Manager [/SessionListener], requesting session state from
org.apache.catalina.tribes.membership.MemberImpl[tcp://{192, 168, 1,
115}:4000,{192, 168, 1, 115},4000, alive=57336,id={35 -70 -95 77 106 -12 71
31 -111 47 -36 105 30 78 -58 60 }, payload={}, command={}, domain={}, ].
This operation will timeout if no session state has been received within 60
seconds.
25 févr. 2010 14:35:45 org.apache.catalina.ha.session.DeltaManager
waitForSendAllSessions
INFO: Manager [/SessionListener]; session state send at 25/02/10 14:35
received in 120 ms.
I’d just have any questions regarding filter of replication valve.
The filter receive java regular expressions and keep out all object
corresponding with filter, Can I use expression “^[.*specific_folder.*];” as
filter for limited the replication of data to a little part of application
where was deployed in a specific folder ?
And when object must be keep out, send tomcat a replicated session empty or
don’t send a session ?
Thank you for your work, it’s very precious for noob like me :-)
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