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https://issues.apache.org/jira/browse/MAPREDUCE-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated MAPREDUCE-1381:
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Fix Version/s: (was: 0.20.2)
> Incorrect values being displayed for blacklisted_maps and blacklisted_reduces
> -----------------------------------------------------------------------------
>
> Key: MAPREDUCE-1381
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1381
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.20.1
> Reporter: Ramya R
> Priority: Minor
>
> blacklisted_maps and blacklisted_reduces metrics collected displays wrong
> values. For example when trackers_blacklisted=6 and with each TT having 6 map
> slots and 2 reduce slots, blacklisted_maps should be 36 and
> blacklisted_reduces should be 12. However I observed values which were not
> expected. Below is a snapshot of the metrics obtained:
> mapred.jobtracker: hostName=<hostname>, sessionId=, *blacklisted_maps=24*,
> *blacklisted_reduces=8*, jobs_completed=136, jobs_failed=26, jobs_killed=0,
> jobs_preparing=0, jobs_running=13, jobs_submitted=165, map_slots=2748,
> maps_completed=76501, maps_failed=8741, maps_killed=0, maps_launched=88199,
> occupied_map_slots=1902, occupied_reduce_slots=902, reduce_slots=916,
> reduces_completed=21927, reduces_failed=184, reduces_killed=0,
> reduces_launched=23027, reserved_map_slots=0, reserved_reduce_slots=0,
> running_maps=1902, running_reduces=902, trackers=464,
> *trackers_blacklisted=6*, trackers_decommissioned=1, waiting_maps=-1741,
> waiting_reduces=2042
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