[
https://issues.apache.org/jira/browse/HDFS-16811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17626147#comment-17626147
]
ASF GitHub Bot commented on HDFS-16811:
---------------------------------------
tomscut commented on code in PR #5068:
URL: https://github.com/apache/hadoop/pull/5068#discussion_r1008773817
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeReconfigure.java:
##########
@@ -567,6 +571,92 @@ private List<Boolean> validatePeerReport(String
jsonReport) {
return containReport;
}
+ @Test
+ public void testReconfigureDecommissionBackoffMonitorParameters()
+ throws ReconfigurationException, IOException {
+ Configuration conf = new HdfsConfiguration();
+ conf.setClass(DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_MONITOR_CLASS,
+ DatanodeAdminBackoffMonitor.class,
DatanodeAdminMonitorInterface.class);
+ int defaultPendingRepLimit = 1000;
+ conf.setInt(DFS_NAMENODE_DECOMMISSION_BACKOFF_MONITOR_PENDING_LIMIT,
defaultPendingRepLimit);
+ int defaultBlocksPerLock = 1000;
+
conf.setInt(DFS_NAMENODE_DECOMMISSION_BACKOFF_MONITOR_PENDING_BLOCKS_PER_LOCK,
+ defaultBlocksPerLock);
+ MiniDFSCluster newCluster = new MiniDFSCluster.Builder(conf).build();
+ newCluster.waitActive();
+
+ try {
Review Comment:
```suggestion
try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build()) {
newCluster.waitActive();
```
Please also update this by the way.
> 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.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
