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new 1c58d79 HDDS-6415 - add Over-Utilized and Under-Utilized DN details
in debug log (#3171)
1c58d79 is described below
commit 1c58d79c11ff9133e52f7cf511fcbd202e8e8a41
Author: nilotpalnandi <[email protected]>
AuthorDate: Tue Mar 8 21:16:07 2022 +0530
HDDS-6415 - add Over-Utilized and Under-Utilized DN details in debug log
(#3171)
Co-authored-by: Nilotpal Nandi <[email protected]>
---
.../hdds/scm/container/balancer/ContainerBalancer.java | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancer.java
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancer.java
index bd6d3cc..b2d7d18 100644
---
a/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancer.java
+++
b/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancer.java
@@ -374,6 +374,20 @@ public class ContainerBalancer {
"Under-Utilized Datanodes that need to be balanced.",
overUtilizedNodes.size(), underUtilizedNodes.size());
+ if (LOG.isDebugEnabled()) {
+ overUtilizedNodes.forEach(entry -> {
+ LOG.debug("Datanode {} {} is Over-Utilized.",
+ entry.getDatanodeDetails().getHostName(),
+ entry.getDatanodeDetails().getUuid());
+ });
+
+ underUtilizedNodes.forEach(entry -> {
+ LOG.debug("Datanode {} {} is Under-Utilized.",
+ entry.getDatanodeDetails().getHostName(),
+ entry.getDatanodeDetails().getUuid());
+ });
+ }
+
selectionCriteria = new ContainerBalancerSelectionCriteria(config,
nodeManager, replicationManager, containerManager, findSourceStrategy);
sourceToTargetMap = new HashMap<>(overUtilizedNodes.size() +
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