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https://issues.apache.org/jira/browse/HDFS-16811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17626156#comment-17626156
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ASF GitHub Bot commented on HDFS-16811:
---------------------------------------
tomscut commented on code in PR #5068:
URL: https://github.com/apache/hadoop/pull/5068#discussion_r1008775990
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:
##########
@@ -137,6 +137,26 @@ public int getNumNodesChecked() {
return numNodesChecked;
}
+ @Override
Review Comment:
Add `@VisibleForTesting`.
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:
##########
@@ -137,6 +137,26 @@ public int getNumNodesChecked() {
return numNodesChecked;
}
+ @Override
+ public int getPendingRepLimit() {
+ return 0;
+ }
+
+ @Override
+ public void setPendingRepLimit(int pendingRepLimit) {
+ // nothing.
+ }
+
+ @Override
Review Comment:
Add `@VisibleForTesting`.
> Support to make dfs.namenode.decommission.backoff.monitor.pending.limit
> reconfigurable
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-16811
> URL: https://issues.apache.org/jira/browse/HDFS-16811
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haiyang Hu
> Assignee: Haiyang Hu
> Priority: Major
> Labels: pull-request-available
>
> When the Backoff monitor is enabled, the parameter
> dfs.namenode.decommission.backoff.monitor.pending.limit can be dynamically
> adjusted to determines the maximum number of blocks related to decommission
> and maintenance operations that can be loaded into the replication queue.
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