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Struts & Hibernate
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| | | Tomcat clustering | Tomcat clustering 2007-10-01 - By Daniel M Garland
Back
Hey
The mcastDropTime attribute controls how long a node waits without a
response from a peer before considering it dead. Careful though, I tried
setting this to be much lower than the default and had all sorts of
problems with nodes adding / disappearing all the time; I wonder what
sorts of values members of this list use as a bare minimum?
Andrew Hole wrote:
> In cluster of two nodes, which the parameter that I need to configure
> (or to decrease the value) for a node knows immediately that the other
> is down? With this configuration a node waits some time.
>
> <Cluster
> className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
> doClusterLog="true"
> clusterLogName="clusterlog"
>
> manager.className="org.apache.catalina.cluster.session.DeltaManager"
> manager.expireSessionsOnShutdown="false"
> manager.notifyListenersOnReplication="false"
> manager.notifySessionListenersOnReplication="false"
> manager.sendAllSessions="false"
> manager.sendAllSessionsSize="500"
> manager.sendAllSessionsWaitTime="20">
> <Membership
>
> className="org.apache.catalina.cluster.mcast.McastService"
> mcastAddr="228.0.0.4"
> mcastBindAddress="127.0.0.1"
> mcastClusterDomain="d10"
> mcastPort="45564"
> mcastFrequency="1000"
> mcastDropTime="30000"
> recoveryCounter="10"
> recoveryEnabled="true"
> recoverySleepTime="5000"/>
> <Receiver
>
> className="org.apache.catalina.cluster.tcp.ReplicationListener"
> tcpListenAddress="auto"
> tcpListenPort="9016"
> tcpSelectorTimeout="100"
> tcpThreadCount="6"/>
> <Sender
>
> className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
> replicationMode="fastasyncqueue"
> recoverTimeout="5000"
> recoverCounter="6"
> doTransmitterProcessingStats="true"
> doProcessingStats="true"
> doWaitAckStats="true"
> queueTimeWait="true"
> queueDoStats="true"
> queueCheckLock="true"
> ackTimeout="15000"
> waitForAck="true"
> keepAliveTimeout="80000"
> keepAliveMaxRequestCount="-1"/>
> <Valve
> className="org.apache.catalina.cluster.tcp.ReplicationValve"
>
> filter=".*\.gif;.*\.js;.*\.css;.*\.png;.*\.jpeg;.*\.jpg;.*\.htm;.*\.html;.*\
.txt;"
> primaryIndicator="true" />
> <Valve
> className="org.apache.catalina.cluster.session.JvmRouteBinderValve"
> enabled="true" />
> <ClusterListener
> className="org.apache.catalina.cluster.session.ClusterSessionListener"
> />
> <ClusterListener
> className="org.apache.catalina.cluster.session
.JvmRouteSessionIDBinderListener"
> />
> <Deployer
> className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
> tempDir="${catalina.base}/war
-temp"
>
> deployDir="${catalina.base}/war-deploy/"
>
> watchDir="${catalina.base}/war-listen/"
> watchEnabled="true"/>
> </Cluster>
>
>
> Thanks a lot
>
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>
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