We've observed this internally too. Shinichi, tx for the patch. Will follow up on JIRA to get it committed.
Thanks, +Vinod On Sep 3, 2013, at 11:35 AM, Shinichi Yamashita wrote: > Hi, > I reported this issue in MAPREDUCE-5376 > (https://issues.apache.org/jira/browse/MAPREDUCE-5376) and attached a patch. > But it is not fixed by the current release. > > Thanks, > Shinichi > > (2013/09/03 11:20), Robert Dyer wrote: >> I just noticed the job status for MR jobs tends to show 0's in the Map >> and Reduce columns but actually shows the totals correctly. >> >> I am not sure exactly when this started happening, but this cluster was >> upgraded from Hadoop 1.0.4 to 1.1.2 and now to 1.2.1. It definitely >> worked fine on 1.0.4, but I don't recall testing on 1.1.2. >> >> Anyone else running into this issue? >> >> Map-Reduce Framework Reduce input groups 0 0 0 >> Map output materialized bytes 0 0 5,910 >> Combine output records 0 0 250 >> Map input records 0 0 48,556 >> Reduce shuffle bytes 0 0 4,960 >> Physical memory (bytes) snapshot 0 0 56,364,822,528 >> >> >> Note that not *all* counters are doing this! Some still show properly: >> >> FileSystemCounters HDFS_BYTES_READ 844,499,067,747 0 >> 844,499,067,747 >> FILE_BYTES_WRITTEN 4,879,509 60,403 4,939,912 >> >> > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
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