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[HDFS-6869] Logfile mode in secure datanode is expected to be 644 - HDFS - [issue]
...Logfile mode in secure datanode is expected to be 644.[root@centos64-2 hadoop-hdfs]# lltotal 136rw-rr- 1 hdfs hadoop 19455 Aug 18 22:40 hadoop-hdfs-journalnode-centos64-2.logrw-rr- 1...
http://issues.apache.org/jira/browse/HDFS-6869    Author: Guo Ruijing, 2014-08-19, 08:03
[HDFS-6818] Enhance hdfs get to copy file with length - HDFS - [issue]
...Use Case: if HDFS file is corrupted, some tool can be used to copy out good part of corrupted file. We may enhance "hdfs -get" to copy out good part.Existing:hadoop fs [generic options&#...
http://issues.apache.org/jira/browse/HDFS-6818    Author: Guo Ruijing, 2014-08-05, 10:40
[HDFS-6748] Add layout version, NamespaceID, numItemsInTree in XML offlineImageViewer - HDFS - [issue]
...Add layout version, NamespaceID, numItemsInTree in XML offlineImageViewer:existing implementation:a.  hdfs oiv -p XML -i fsimage_0000000000000000929 -o fsimage.xmlb. cat fsimage.xml?xml...
http://issues.apache.org/jira/browse/HDFS-6748    Author: Guo Ruijing, 2014-07-24, 08:24
[HDFS-6590] NullPointerException was generated in getBlockLocalPathInfo when datanode restarts - HDFS - [issue]
...2014-06-11 20:34:40.240119, p43949, th140725562181728, ERROR cannot setup block reader for Block: [block pool ID: BP-1901161041- block ID 1073741926_1102] o...
http://issues.apache.org/jira/browse/HDFS-6590    Author: Guo Ruijing, 2014-07-15, 10:13
[HDFS-6454] Configurable Block Placement Policy - HDFS - [issue]
...In existing implementation,  block choose priority is localhost/remote rack/local rack/ramdon.in BlockPlacementPolicyDefault, network topology is /rack/host.In BlockPlacementPolicyWithN...
http://issues.apache.org/jira/browse/HDFS-6454    Author: Guo Ruijing, 2014-05-28, 10:48
[HDFS-6087] Unify HDFS write/append/truncate - HDFS - [issue]
...In existing implementation, HDFS file can be appended and HDFS block can be reopened for append. This design will introduce complexity including lease recovery. If we design HDFS block as im...
http://issues.apache.org/jira/browse/HDFS-6087    Author: Guo Ruijing, 2014-03-27, 02:58
[HDFS-5765] Snapshot file is broken after appending to original file - HDFS - [issue]
...Reproduce Step1)  cat snapshot.sh sudo -u hdfs hdfs dfs -mkdir /testsudo -u hdfs hdfs dfsadmin -allowSnapshot /testrm -rf /tmp/mytestecho mytest > /tmp/mytestrm -rf /tmp/myappendecho...
http://issues.apache.org/jira/browse/HDFS-5765    Author: Guo Ruijing, 2014-01-14, 22:20
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