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https://issues.apache.org/jira/browse/HADOOP-16071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16751452#comment-16751452
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Siyao Meng commented on HADOOP-16071:
-------------------------------------
[[email protected]] I found the only references of this counter are here:
{code:java|title=CopyMapper.java}
/**
* Hadoop counters for the DistCp CopyMapper.
* (These have been kept identical to the old DistCp,
* for backward compatibility.)
*/
public static enum Counter {
COPY, // Number of files received by the mapper for copy.
DIR_COPY, // Number of directories received by the mapper for copy.
SKIP, // Number of files skipped.
FAIL, // Number of files that failed to be copied.
BYTESCOPIED, // Number of bytes actually copied by the copy-mapper, total.
BYTESEXPECTED,// Number of bytes expected to be copied.
BYTESFAILED, // Number of bytes that failed to be copied.
BYTESSKIPPED, // Number of bytes that were skipped from copy.
SLEEP_TIME_MS, // Time map slept while trying to honor bandwidth cap.
BANDWIDTH_IN_BYTES, // Effective transfer rate in B/s.
}
...
@Override
protected void cleanup(Context context)
throws IOException, InterruptedException {
super.cleanup(context);
long secs = (System.currentTimeMillis() - startEpoch) / 1000;
incrementCounter(context, Counter.BANDWIDTH_IN_BYTES,
totalBytesCopied / ((secs == 0 ? 1 : secs)));
}
{code}
So it seems to me that the typo in CopyMapper_Counter.properties is just a
display name.
> Fix typo in DistCp Counters - Bandwidth in Bytes
> ------------------------------------------------
>
> Key: HADOOP-16071
> URL: https://issues.apache.org/jira/browse/HADOOP-16071
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 3.2.0
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
> Attachments: HADOOP-16071.001.patch
>
>
> {code:bash|title=DistCp MR Job Counters}
> ...
> DistCp Counters
> Bandwidth in Btyes=20971520
> Bytes Copied=20971520
> Bytes Expected=20971520
> Files Copied=1
> {code}
> {noformat}
> Bandwidth in Btyes -> Bandwidth in Bytes
> {noformat}
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