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[HDFS-7352] Common side changes for HDFS Erasure coding support - HDFS - [issue]
...This is umbrella JIRA for tracking the common side changes for HDFS Erasure Coding support,...
http://issues.apache.org/jira/browse/HDFS-7352    Author: Uma Maheswara Rao G, 2014-11-04, 12:51
[HDFS-2975] Rename with overwrite flag true can make NameNode to stuck in safemode on NN (crash + restart). - HDFS - [issue]
...When we rename the file with overwrite flag as true, it will delete the destination file blocks. After deleting the blocks, whenever it releases the fsNameSystem lock, NN can give the invali...
http://issues.apache.org/jira/browse/HDFS-2975    Author: Uma Maheswara Rao G, 2014-09-04, 17:37
[HDFS-2815] Namenode is not coming out of safemode when we perform ( NN crash + restart ) .  Also FSCK report shows blocks missed. - HDFS - [issue]
...When tested the HA(internal) with continuous switch with some 5mins gap, found some blocks missed and namenode went into safemode after next switch.   After the analysis, i found t...
http://issues.apache.org/jira/browse/HDFS-2815    Author: Uma Maheswara Rao G, 2014-09-04, 02:04
[HDFS-2330] In NNStorage.java, IOExceptions of stream closures  can mask root exceptions. - HDFS - [issue]
...In NNStorage.java:  There are many stream closures in finally block.   There is a chance that they can mask the root exceptions.So, better to follow the pattern like below:  t...
http://issues.apache.org/jira/browse/HDFS-2330    Author: Uma Maheswara Rao G, 2014-09-04, 01:59
[HDFS-6834] Improve the configuration guidance in DFSClient when there are no Codec classes found in configs - HDFS - [issue]
...This is the comment in HADOOP-10886 from Andrew....
http://issues.apache.org/jira/browse/HDFS-6834    Author: Uma Maheswara Rao G, 2014-08-08, 12:36
[HDFS-6814] Mistakenly dfs.namenode.list.encryption.zones.num.responses configured as boolean - HDFS - [issue]
...<property>  <name>dfs.namenode.list.encryption.zones.num.responses</name>  <value>false</value>  <description>When listing encryption zones...
http://issues.apache.org/jira/browse/HDFS-6814    Author: Uma Maheswara Rao G, 2014-08-04, 13:11
[HDFS-6807] Fix TestReservedRawPaths failures - HDFS - [issue]
...CreateEncryptionZone does not allow null key. But TestReservedRawPaths test passing null value as key.So, we need to create some dummy key and pass instead?look at https://builds.apache.org/...
http://issues.apache.org/jira/browse/HDFS-6807    Author: Uma Maheswara Rao G, 2014-08-01, 19:37
[HDFS-6737] DFSClient should use IV generated based on the configured CipherSuite with codecs used - HDFS - [issue]
...Seems like we are using IV as like Encrypted data encryption key iv. But the underlying Codec's cipher suite may expect different iv length. So, we should generate IV from the Coec's cipher ...
http://issues.apache.org/jira/browse/HDFS-6737    Author: Uma Maheswara Rao G, 2014-08-01, 18:24
[HDFS-6738] Remove unnecessary getEncryptionZoneForPath call in EZManager#createEncryptionZone - HDFS - [issue]
...We can remove the following getEncryptionZoneForPath call below.// done this way to handle edit log loading    dir.unprotectedSetXAttrs(src, xattrs, EnumSet.of(XAttrSetFlag.CREATE)...
http://issues.apache.org/jira/browse/HDFS-6738    Author: Uma Maheswara Rao G, 2014-07-23, 16:24
[HDFS-2364] metaSave API is using Printwriter, It will eat all the IOExceptions. - HDFS - [issue]
...It is important to note thatPrintStream and PrintWriter do not throw IOExceptions! IOException is anon-Runtime exception, which means that your code must catch them or declare itcan throw th...
http://issues.apache.org/jira/browse/HDFS-2364    Author: Uma Maheswara Rao G, 2014-07-17, 22:24
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB