Difference between revisions of "CSC352 MapReduce/Hadoop Class Notes"
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? | ? | ||
− | + | # of bytes read by map and reduce tasks | |
− | + | # bytes written by map and reduce tasks | |
? | ? | ||
? | ? | ||
− | + | # reduce tasks launched, including speculative tasks | |
− | + | # tasks that ran on node in same rack as input data | |
− | + | # map tasks launched, including speculative tasks | |
− | + | # map tasks that ran on same node as input data | |
− | + | # reduce key groups consumed by all reducers | |
− | + | # output records produced by combiners | |
− | + | # input records consumed by map tasks | |
− | + | # records produced by all the maps | |
− | + | # bytes produced by all the maps | |
− | + | # input bytes consumed by maps | |
− | + | # records consumed by combiners | |
− | + | # output records produced by map tasks | |
− | + | # records consumed by reduce tasks | |
</pre></code> | </pre></code> | ||
|} | |} |
Revision as of 15:47, 31 March 2010