AdaptiveLoadBalancingRouter and more refactoring of metrics, see #2547

* Refactoring of standard metrics extractors and data structures
* Removed optional value in Metric, simplified a lot
* Configuration of EWMA by using half-life duration
* Renamed DataStream to EWMA
* Incorporate review feedback
* Use binarySearch for selecting weighted routees
* More metrics selectors for the router
* Removed network metrics, since not supported on linux
* Configuration of router
* Rename to AdaptiveLoadBalancingRouter
* Remove total cores metrics, since it's the same as jmx getAvailableProcessors,
  tested on intel 24 core server and amd 48 core server, and MBP
* API cleanup
* Java API additions
* Documentation of metrics and AdaptiveLoadBalancingRouter
* New cluster sample to illustrate metrics in the documentation,
  and play around with (factorial)
This commit is contained in:
Patrik Nordwall 2012-11-08 18:49:54 +01:00
parent c9d206764a
commit dcde7d3594
61 changed files with 1885 additions and 975 deletions

View file

@ -28,7 +28,7 @@ class ClusterMetricsMultiJvmNode3 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode4 extends ClusterMetricsSpec
class ClusterMetricsMultiJvmNode5 extends ClusterMetricsSpec
abstract class ClusterMetricsSpec extends MultiNodeSpec(ClusterMetricsMultiJvmSpec) with MultiNodeClusterSpec with MetricSpec {
abstract class ClusterMetricsSpec extends MultiNodeSpec(ClusterMetricsMultiJvmSpec) with MultiNodeClusterSpec {
import ClusterMetricsMultiJvmSpec._
def isSigar(collector: MetricsCollector): Boolean = collector.isInstanceOf[SigarMetricsCollector]