You are viewing a plain text version of this content. The canonical link for it is here.
Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2014/11/13 23:18:34 UTC
[jira] [Created] (HDFS-7396) Revisit synchronization in Namenode
Tsz Wo Nicholas Sze created HDFS-7396:
-----------------------------------------
Summary: Revisit synchronization in Namenode
Key: HDFS-7396
URL: https://issues.apache.org/jira/browse/HDFS-7396
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
HDFS-2106 separated block management to a new package from namenode. As part of it, some code was refactored to new classes such as DatanodeManager, HeartbeatManager, etc. There are opportunities for improve locking in namenode while currently the synchronization in namenode is mainly done by a single global FSNamesystem lock.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)