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https://issues.apache.org/jira/browse/HDFS-17254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17792524#comment-17792524
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ASF GitHub Bot commented on HDFS-17254:
---------------------------------------
2005hithlj commented on code in PR #6307:
URL: https://github.com/apache/hadoop/pull/6307#discussion_r1413075732
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:
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@@ -966,6 +966,9 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
public static final String DFS_DATANODE_HTTP_ADDRESS_DEFAULT = "0.0.0.0:" +
DFS_DATANODE_HTTP_DEFAULT_PORT;
public static final String DFS_DATANODE_HTTP_INTERNAL_PROXY_PORT =
"dfs.datanode.http.internal-proxy.port";
+ public static final String DFS_DATANODE_NETTY_WORKER_NUM_THREADS_KEY =
+ "dfs.datanode.netty.worker.threads";
+ public static final int DFS_DATANODE_NETTY_WORKER_NUM_THREADS_DEFAULT = 0;
Review Comment:
@slfan1989 Thank you for your review, the default value should not continue
to be 0, and I plan to change the default value to 10. What do you think, sir?
> DataNode httpServer has too many worker threads
> -----------------------------------------------
>
> Key: HDFS-17254
> URL: https://issues.apache.org/jira/browse/HDFS-17254
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Liangjun He
> Assignee: Liangjun He
> Priority: Minor
> Labels: pull-request-available
>
> When optimizing the thread number of high-density storage DN, we found the
> number of worker threads for the DataNode httpServer is twice the number of
> available cores on node , resulting in too many threads. We can change this
> to be configurable.
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