Source — Contract of Metrics Sources

2014-03-24 分类：spark-core 阅读(1244) 评论(0)

Source is a contract of metrics sources.



package org.apache.spark.metrics.source

trait Source {
  def sourceName: String
  def metricRegistry: MetricRegistry
}

package org.apache.spark.metrics.source

trait Source {

def sourceName: String

def metricRegistry: MetricRegistry

}

Note	`Source` is a `private[spark]` contract.

Table 1. Source Contract
Method	Description
`sourceName`	Used when…FIXME
`metricRegistry`	Dropwizard Metrics’ MetricRegistry Used when…FIXME

Table 2. Sources
Source	Description
`ApplicationSource`
BlockManagerSource
`CacheMetrics`
`CodegenMetrics`
DAGSchedulerSource
ExecutorAllocationManagerSource
ExecutorSource
`ExternalShuffleServiceSource`
`HiveCatalogMetrics`
`JvmSource`
`LiveListenerBusMetrics`
`MasterSource`
`MesosClusterSchedulerSource`
ShuffleMetricsSource
`StreamingSource`
`WorkerSource`