クラスの使用
org.apache.hadoop.mapred.Counters

Countersを使用しているパッケージ

パッケージ	説明
org.apache.hadoop.mapred

org.apache.hadoop.mapredでのCountersの使用

Countersを返すorg.apache.hadoop.mapredのメソッド

修飾子とタイプ	メソッドと説明
static Counters	Counters.fromEscapedCompactString(String compactString) Convert a stringified (by makeEscapedCompactString() counter representation into a counter object.
Counters	TaskReport.getCounters()
Counters	RunningJob.getCounters() Gets the counters for this job.
static Counters	Counters.sum(Counters a, Counters b) Convenience method for computing the sum of two sets of counters.

Counters型のパラメータを持つorg.apache.hadoop.mapredのメソッド

修飾子とタイプ	メソッドと説明
void	Counters.incrAllCounters(Counters other) Increments multiple counters by their amounts in another Counters instance.
static Counters	Counters.sum(Counters a, Counters b) Convenience method for computing the sum of two sets of counters.