Hi Once running mapreduce, it will appear an unavailable process.Each time it will be like this.3472 ThriftServer 3134 NodeManager 3322 HRegionServer 4383 -- process information unavailable 4595 Jps 2978 DataNode I delete the process id in directory of /tmp/hsperfdata_yarn,but it still appears again after running mapreduce . [email protected]
