[ https://issues.apache.org/jira/browse/HDFS-4516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinay updated HDFS-4516: ------------------------ Attachment: HDFS-4516.patch Attaching the latest rebased patch for this issue. Please somebody take a look at the patch. This is very important issue as this would fail the reading of entire file if the last block have zero locations due to client crash. > Client crash after block allocation and NN switch before lease recovery for > the same file can cause readers to fail forever > --------------------------------------------------------------------------------------------------------------------------- > > Key: HDFS-4516 > URL: https://issues.apache.org/jira/browse/HDFS-4516 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 3.0.0, 2.0.3-alpha > Reporter: Uma Maheswara Rao G > Assignee: Vinay > Priority: Critical > Attachments: HDFS-4516-Test.patch, HDFS-4516.patch, HDFS-4516.patch, > HDFS-4516.patch, HDFS-4516.txt > > > If client crashes just after allocating block( blocks not yet created in DNs) > and NN also switched after this, then new Namenode will not know about locs. > Further details will be in comment. -- This message was sent by Atlassian JIRA (v6.1#6144)