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HDDS-11381. Adding logging for sortByDistanceCost in NetworkTopologyImpl #7133

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Merged
tanvipenumudy merged 1 commit into from
Aug 29, 2024
Merged

HDDS-11381. Adding logging for sortByDistanceCost in NetworkTopologyImpl #7133

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6 changes: 6 additions & 0 deletions hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/net/NetworkTopologyImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -789,6 +789,9 @@ public <N extends Node> List<N> sortByDistanceCost(Node reader,
List<N> shuffledNodes =
new ArrayList<>(nodes.subList(0, activeLen));
shuffleOperation.accept(shuffledNodes);
if (LOG.isDebugEnabled()) {
LOG.debug("Sorted datanodes {}, result: {}", nodes, shuffledNodes);
}
return shuffledNodes;
}
// Sort weights for the nodes array
Expand All @@ -815,6 +818,9 @@ public <N extends Node> List<N> sortByDistanceCost(Node reader,

Preconditions.checkState(ret.size() == activeLen,
"Wrong number of nodes sorted!");
if (LOG.isDebugEnabled()) {
LOG.debug("Sorted datanodes {} for client {}, result: {}", nodes, reader, ret);
}
return ret;
}

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