diaoyudao 发表于 2016-12-5 09:28:46

Hadoop 自定义Counters

enum name:group name
enum filed:counter name
static enum ClaimsCounters {Missing,QUIED};

if(key.toString().contains("3")){
arg3.incrCounter(ClaimsCounters.Missing, 1);
}else if(key.toString().contains("1")){
arg3.incrCounter(ClaimsCounters.QUIED, 1);
}

信息:   mpMapper$ClaimsCounters
2012-3-21 10:29:49 org.apache.hadoop.mapred.Counters log
信息:   Missing=1
2012-3-21 10:29:49 org.apache.hadoop.mapred.Counters log
信息:   QUIED=5
页: [1]
查看完整版本: Hadoop 自定义Counters