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Hudson commented on HDFS-5443: ------------------------------ FAILURE: Integrated in Hadoop-Yarn-trunk #418 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/418/]) Move HDFS-5257,HDFS-5427,HDFS-5443,HDFS-5476,HDFS-5425,HDFS-5474,HDFS-5504,HDFS-5428 into branch-2.3 section. (jing9: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1550011) * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt > Delete 0-sized block when deleting an under-construction file that is > included in snapshot > ------------------------------------------------------------------------------------------ > > Key: HDFS-5443 > URL: https://issues.apache.org/jira/browse/HDFS-5443 > Project: Hadoop HDFS > Issue Type: Bug > Components: snapshots > Affects Versions: 3.0.0, 2.2.0 > Reporter: Uma Maheswara Rao G > Assignee: Jing Zhao > Fix For: 2.3.0 > > Attachments: 5443-test.patch, HDFS-5443.000.patch > > > Namenode can stuck in safemode on restart if it crashes just after addblock > logsync and after taking snapshot for such file. This issue is reported by > Prakash and Sathish. > On looking into the issue following things are happening. > . > 1) Client added block at NN and just did logsync > So, NN has block ID persisted. > 2)Before returning addblock response to client take a snapshot for root or > parent directories for that file > 3) Delete parent directory for that file > 4) Now crash the NN with out responding success to client for that addBlock > call > Now on restart of the Namenode, it will stuck in safemode. -- This message was sent by Atlassian JIRA (v6.1.4#6159)