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ClusterLoadBalancingRouter and refactoring of metrics, see #2547

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* MetricsSelector, calculate capacity, weights and allocate weighted
  routee refs
* ClusterLoadBalancingRouterSpec
* Optional heap max
* Constants for the metric fields
* Refactoring of Metric and decay
* Rewrite of DataStreamSpec
* Correction of EWMA and removal of BigInt, BigDecimal
* Separation of MetricsCollector into trait and two classes,
  SigarMetricsCollector and JmxMetricsCollector
* This will reduce cost when sigar is not installed, such as
  avoiding throwing and catching exc for every call
* Improved error handling for loading sigar
* Made MetricsCollector implementation configurable
* Tested with sigar
This commit is contained in:
Patrik Nordwall 2012-11-07 20:36:24 +01:00
parent f306964fca
commit c9d206764a
18 changed files with 1065 additions and 733 deletions
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2
akka-cluster/src/multi-jvm/scala/akka/cluster/MultiNodeClusterSpec.scala
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@ -64,7 +64,7 @@ trait MultiNodeClusterSpec extends Suite with STMultiNodeSpec { self: MultiNodeS
def muteLog(sys: ActorSystem = system): Unit = {
if (!sys.log.isDebugEnabled) {
Seq(".*Metrics collection has started successfully.*",
".*Hyperic SIGAR was not found on the classpath.*",
".*Metrics will be retreived from MBeans.*",
".*Cluster Node.* - registered cluster JMX MBean.*",
".*Cluster Node.* - is starting up.*",
".*Shutting down cluster Node.*",