Haibin Huang created HDFS-15155:
-----------------------------------
Summary: writeIoRate of DataNodeVolumeMetrics is never used
Key: HDFS-15155
URL: https://issues.apache.org/jira/browse/HDFS-15155
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs
Reporter: Haibin Huang
Assignee: Haibin Huang
There is some incorrect object using in DataNodeVolumeMetrics, writeIoRate is
never used and syncIoRate should be replaced by writeIoRate in the following
code:
{code:java}
// Based on writeIoRate
public long getWriteIoSampleCount() {
return syncIoRate.lastStat().numSamples();
}
public double getWriteIoMean() {
return syncIoRate.lastStat().mean();
}
public double getWriteIoStdDev() {
return syncIoRate.lastStat().stddev();
}
{code}
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