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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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3
akka-cluster/src/test/scala/akka/cluster/NodeMetricsSpec.scala
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@ -8,7 +8,8 @@ import akka.testkit.AkkaSpec
import akka.actor.Address
@org.junit.runner.RunWith(classOf[org.scalatest.junit.JUnitRunner])
class NodeMetricsSpec extends AkkaSpec with AbstractClusterMetricsSpec with MetricSpec {
class NodeMetricsSpec extends AkkaSpec with MetricSpec
with MetricsCollectorFactory {
val collector = createMetricsCollector