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  1. WildFly
  2. WFLY-18384

[CLUSTERING] File containing session data is never shrunk or deleted

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      Create a cluster of 4 nodes:

      rm -rdf server1
      unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip
      mv server server1
      rm -rdf server2
      unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip
      mv server server2
      rm -rdf server3
      unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip
      mv server server3
      rm -rdf server4
      unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip
      mv server server4
      

      Configure the 4 nodes to persist session data in a file that should be purged:

      cat <<EOF > $PWD/test.cli
      embed-server --server-config=standalone-ha.xml
      if (outcome != success) of /subsystem=jgroups:read-attribute(name=default-stack)
      /subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp)
      else
      /subsystem=jgroups:write-attribute(name=default-stack,value=tcp)
      /subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp)
      end-if
      batch
      /subsystem=infinispan/cache-container=web/distributed-cache=dist:remove
      /subsystem=infinispan/cache-container=ejb/distributed-cache=dist:remove
      # web cache
      /subsystem=infinispan/cache-container=web/replicated-cache=dist:add()
      /subsystem=infinispan/cache-container=web/replicated-cache=dist/component=locking:add(isolation=REPEATABLE_READ)
      /subsystem=infinispan/cache-container=web/replicated-cache=dist/component=transaction:add(mode=BATCH)
      /subsystem=infinispan/cache-container=web/replicated-cache=dist/store=file:add(purge=true, passivation=true)
      /subsystem=infinispan/cache-container=web:write-attribute(name=default-cache, value=dist)
      # ejb cache
      /subsystem=infinispan/cache-container=ejb/replicated-cache=dist:add()
      /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/component=locking:add(isolation=REPEATABLE_READ)
      /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/component=transaction:add(mode=BATCH)
      /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/store=file:add(purge=true, passivation=true)
      /subsystem=infinispan/cache-container=ejb:write-attribute(name=default-cache, value=dist)
      run-batch
      # session timeout after 1 minute
      /subsystem=undertow/servlet-container=default:write-attribute(name=default-session-timeout, value=1)
      EOF
      
      ./server1/bin/jboss-cli.sh --file=$PWD/test.cli
      ./server2/bin/jboss-cli.sh --file=$PWD/test.cli
      ./server3/bin/jboss-cli.sh --file=$PWD/test.cli
      ./server4/bin/jboss-cli.sh --file=$PWD/test.cli
      

      Deploy an application that is supposed to persist session data: clusterbench-ee10.ear:

      CLUSTERBENCH_EAR=clusterbench-ee10.ear
      cp $CLUSTERBENCH_EAR ./server1/standalone/deployments/
      cp $CLUSTERBENCH_EAR ./server2/standalone/deployments/
      cp $CLUSTERBENCH_EAR ./server3/standalone/deployments/
      cp $CLUSTERBENCH_EAR ./server4/standalone/deployments/
      

      start the 4 nodes in separate shells:

      ./server1/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=100 -Djboss.node.name=wildfly1
      
      ./server2/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=200 -Djboss.node.name=wildfly2
      
      ./server3/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=300 -Djboss.node.name=wildfly3
      
      ./server4/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=400 -Djboss.node.name=wildfly4
      

      Create enough session in order to get e.g. 3 store files created; if you are familiar with JMeter and you deployed clusterbench-ee10.ear, you can use jmeter.jmx; open jmeter.jmx with JMeter 5.5 GUI, and press the start button, wait until all 2000 sessions are created, stop end repeat enough times to get the 3 store files created:

      Alternatively, you can run a script like this:

      for i in {1..20}
      do
       echo "JMeter Run $i ..."
      apache-jmeter-5.5/bin/jmeter -n -t jmeter.jmx
      done
      

      At this point you should have the following files:

      $ ls -ltr server1/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data
      total 32872
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1
      -rw-r--r--. 1 tborgato tborgato   105192 Sep 28 18:22 ispn12.2
      
      $ ls -ltr server2/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data
      total 32872
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1
      -rw-r--r--. 1 tborgato tborgato   105192 Sep 28 18:22 ispn12.2
      
      $ ls -ltr server3/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data
      total 32872
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1
      -rw-r--r--. 1 tborgato tborgato   105192 Sep 28 18:22 ispn12.2
      
      $ ls -ltr server4/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data
      total 32872
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0
      -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1
      -rw-r--r--. 1 tborgato tborgato   105192 Sep 28 18:22 ispn12.2
      

      Wait until sessions expire (default should be 30 minutes but this reproduces set session timeout to 1 minute - I have waited more than 1 hour to be sure): you will see that none of these files is nor shrink in size or deleted;

      Note that if you stop and restart a node the file is automatically deleted;

      Show
      Create a cluster of 4 nodes: rm -rdf server1 unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip mv server server1 rm -rdf server2 unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip mv server server2 rm -rdf server3 unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip mv server server3 rm -rdf server4 unzip -q wildfly-30.0.0.Beta1-202308192044-7e816de9.zip mv server server4 Configure the 4 nodes to persist session data in a file that should be purged: cat <<EOF > $PWD/test.cli embed-server --server-config=standalone-ha.xml if (outcome != success) of /subsystem=jgroups:read-attribute(name=default-stack) /subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp) else /subsystem=jgroups:write-attribute(name=default-stack,value=tcp) /subsystem=jgroups/channel=ee:write-attribute(name=stack,value=tcp) end-if batch /subsystem=infinispan/cache-container=web/distributed-cache=dist:remove /subsystem=infinispan/cache-container=ejb/distributed-cache=dist:remove # web cache /subsystem=infinispan/cache-container=web/replicated-cache=dist:add() /subsystem=infinispan/cache-container=web/replicated-cache=dist/component=locking:add(isolation=REPEATABLE_READ) /subsystem=infinispan/cache-container=web/replicated-cache=dist/component=transaction:add(mode=BATCH) /subsystem=infinispan/cache-container=web/replicated-cache=dist/store=file:add(purge=true, passivation=true) /subsystem=infinispan/cache-container=web:write-attribute(name=default-cache, value=dist) # ejb cache /subsystem=infinispan/cache-container=ejb/replicated-cache=dist:add() /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/component=locking:add(isolation=REPEATABLE_READ) /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/component=transaction:add(mode=BATCH) /subsystem=infinispan/cache-container=ejb/replicated-cache=dist/store=file:add(purge=true, passivation=true) /subsystem=infinispan/cache-container=ejb:write-attribute(name=default-cache, value=dist) run-batch # session timeout after 1 minute /subsystem=undertow/servlet-container=default:write-attribute(name=default-session-timeout, value=1) EOF ./server1/bin/jboss-cli.sh --file=$PWD/test.cli ./server2/bin/jboss-cli.sh --file=$PWD/test.cli ./server3/bin/jboss-cli.sh --file=$PWD/test.cli ./server4/bin/jboss-cli.sh --file=$PWD/test.cli Deploy an application that is supposed to persist session data: clusterbench-ee10.ear : CLUSTERBENCH_EAR=clusterbench-ee10.ear cp $CLUSTERBENCH_EAR ./server1/standalone/deployments/ cp $CLUSTERBENCH_EAR ./server2/standalone/deployments/ cp $CLUSTERBENCH_EAR ./server3/standalone/deployments/ cp $CLUSTERBENCH_EAR ./server4/standalone/deployments/ start the 4 nodes in separate shells: ./server1/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=100 -Djboss.node.name=wildfly1 ./server2/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=200 -Djboss.node.name=wildfly2 ./server3/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=300 -Djboss.node.name=wildfly3 ./server4/bin/standalone.sh --server-config=standalone-ha.xml -Djboss.socket.binding.port-offset=400 -Djboss.node.name=wildfly4 Create enough session in order to get e.g. 3 store files created; if you are familiar with JMeter and you deployed clusterbench-ee10.ear , you can use jmeter.jmx ; open jmeter.jmx with JMeter 5.5 GUI, and press the start button, wait until all 2000 sessions are created, stop end repeat enough times to get the 3 store files created: Alternatively, you can run a script like this: for i in {1..20} do echo "JMeter Run $i ..." apache-jmeter-5.5/bin/jmeter -n -t jmeter.jmx done At this point you should have the following files: $ ls -ltr server1/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data total 32872 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1 -rw-r--r--. 1 tborgato tborgato 105192 Sep 28 18:22 ispn12.2 $ ls -ltr server2/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data total 32872 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1 -rw-r--r--. 1 tborgato tborgato 105192 Sep 28 18:22 ispn12.2 $ ls -ltr server3/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data total 32872 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1 -rw-r--r--. 1 tborgato tborgato 105192 Sep 28 18:22 ispn12.2 $ ls -ltr server4/standalone/data/infinispan/web/clusterbench-ee10.ear.clusterbench-ee10-web.war/data total 32872 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:12 ispn12.0 -rw-r--r--. 1 tborgato tborgato 16777152 Sep 28 18:22 ispn12.1 -rw-r--r--. 1 tborgato tborgato 105192 Sep 28 18:22 ispn12.2 Wait until sessions expire (default should be 30 minutes but this reproduces set session timeout to 1 minute - I have waited more than 1 hour to be sure): you will see that none of these files is nor shrink in size or deleted; Note that if you stop and restart a node the file is automatically deleted;
    • ---
    • ---

    Description

      Session data can be stored on file system on a file located in standalone/data/infinispan/web/<DEPLOYMENT_NAME>/data;

      When a session expires, this file should be purged and shrink in size;

      This doesn't happen anymore;

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        1. clusterbench-ee10.ear
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        2. jmeter.jmx
          13 kB
        3. screenshot-1.png
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        4. screenshot-2.png
          screenshot-2.png
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        5. Screenshot from 2023-08-25 16-18-37.png
          Screenshot from 2023-08-25 16-18-37.png
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              rhn-engineering-rhusar Radoslav Husar
              tborgato@redhat.com Tommaso Borgato
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                Updated:
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