[ https://issues.apache.org/jira/browse/HDFS-14295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
BELUGA BEHR updated HDFS-14295: ------------------------------- Status: Patch Available (was: Open) > Add Threadpool for DataTransfers > -------------------------------- > > Key: HDFS-14295 > URL: https://issues.apache.org/jira/browse/HDFS-14295 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Affects Versions: 3.2.0 > Reporter: BELUGA BEHR > Assignee: BELUGA BEHR > Priority: Major > Attachments: HDFS-14295.1.patch, HDFS-14295.2.patch > > > When a DataNode data transfers a block, is spins up a new thread for each > transfer. > [Here|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java#L2339] > and > [Here|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java#L3019-L3022]. > Instead, add the threads to a {{CachedThreadPool}} so that when their > threads complete the transfer, they can be re-used for another transfer. This > should save resources spent on creating and spinning up transfer threads. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org