hadoop secondary name node dfs metrics should show 0 values
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Key: HADOOP-3686
URL: https://issues.apache.org/jira/browse/HADOOP-3686
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.17.0
Environment: Red Hat Enterprise Linux AS release 4 (Nahant Update 5)
Reporter: Eric Yang
Using FileContext to look at the dfs metrics:
dfs.FSNamesystem: hostName=gs301017.inktomisearch.com, sessionId=,
BlocksTotal=90, CapacityRemainingGB=3375, CapacityTotalGB=3632,
CapacityUsedGB=1, FilesTotal=175, PendingReplicationBlocks=0,
ScheduledReplicationBlocks=0, TotalLoad=0, UnderReplicatedBlocks=1
dfs.FSNamesystem: hostName=gs301017.inktomisearch.com, sessionId=,
BlocksTotal=90, CapacityRemainingGB=0, CapacityTotalGB=0, CapacityUsedGB=0,
FilesTotal=175, PendingReplicationBlocks=0, ScheduledReplicationBlocks=0,
TotalLoad=0, UnderReplicatedBlocks=0
Both primary name node and seconddary name nodes are sending out data.
However, secondary name node should send 0 instead, since secondary name node
is not really being used.
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