I'm planning to use the following configuration for service-aware messages in flight based autoscaling
<definitions xmlns="http://ws.apache.org/ns/synapse";> <task class="org.wso2.carbon.mediator.autoscale2.MessagesInFlightBasedEC2LoadAnalyzerTask" name="LoadAnalyzer"> <!-- The private key for the ec2 --> <property name="ec2PrivateKey" value="/mnt/payload/pk.pem"/> <!-- The certificate for the ec2 --> <property name="ec2Cert" value="/mnt/payload/cert.pem"/> <!-- The group of the load balancer. --> <property name="loadBalancerGroup" value="stratos-appserver-lb,cloud-mysql,default"/> <!-- The amazon instance type for the instances of the load balancer itself. Default is m1.large. Can be changed to m1.small too. --> <property name="loadBalancerInstanceType" value="m1.large"/> <!-- The key pair --> <property name="key" value="stratos-1.0.0-keypair"/> <!-- The amazon instance type for the load balanced service instances. Recommended and the default is m1.large. --> <property name="instanceType" value="m1.large"/> <!-- The group of the service being load balanced. --> <property name="applicationGroup" value="as-2011-02-23,cloud-mysql,default"/> <!-- The Amazon availability zone for the instances. 1-c is given as the default --> <property name="availabilityZone" value="us-east-1c"/> <!-- The number of load balancer instances --> <property name="loadBalancerInstances" value="1"/> <!-- The elasticIP property can be overriden by the ELASTIC_IP environment var, which is set in the payload --> <property name="elasticIP" value="${ELASTIC_IP}"/> <!-- The time in milliseconds which the message takes to expire --> <property name="messageExpiryTime" value="60000"/> <!-- The load balancer payload file which should be loaded to the bucket --> <property name="loadBalancerPayload" value="/mnt/payload.zip"/> *<property name="services">* * <defaults>* * ** <property name="applicationPayload" value="resources/cluster_node.zip"/>* * <property name="minAppInstances" value="1"/>* * <property name="maxAppInstances" value="5"/>* * <property name="queueLengthPerNode" value="400"/>* * <property name="roundsToAverage" value="10"/>* * <property name="instancesPerScaleUp" value="1"/>* * <property name="availabilityZone" value="us-east-1c"/>* * </defaults>* * <services>* * <service domain="wso2.as.domain">* * <property name="applicationPayload" value="resources/cluster_node.zip"/>* * <property name="minAppInstances" value="1"/>* * <property name="maxAppInstances" value="5"/>* * <property name="queueLengthPerNode" value="400"/>* * <property name="roundsToAverage" value="10"/>* * <property name="instancesPerScaleUp" value="1"/>* * <property name="availabilityZone" value="us-east-1c"/>* * </service>* * <service domain="wso2.ds.domain">* * <property name="availabilityZone" value="us-east-1b"/>* * </service>* * <service domain="wso2.bps.domain">* * <property name="availabilityZone" value="us-east-1a"/>* * </service>* * </services>* * </property>* <!-- The interval to trigger the task in seconds --> <trigger interval="5"/> </task> </definitions>
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