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[HDFS-3854] Implement a fence method which should fence the BK shared storage. - HDFS - [issue]
...Currently when machine down or network down, SSHFence can not ensure that, other node is completely down. So, fence will fail and switch will not happen.[ internally we did work around to re...
http://issues.apache.org/jira/browse/HDFS-3854    Author: Uma Maheswara Rao G, 2015-05-20, 14:05
[HDFS-8412] Fix the test failures in HTTPFS: In some tests setReplication called after fs close. - HDFS - [issue]
...Currently 2 HTTFS test cases failing due to filesystem open check in fs operationsThis is the JIRA fix these failures.Failure seems like test case is closing fs first and then doing operatio...
http://issues.apache.org/jira/browse/HDFS-8412    Author: Uma Maheswara Rao G, 2015-05-19, 16:33
[HDFS-8391] NN should consider current EC tasks handling count from DN while assigning new tasks - HDFS - [issue]
...Currently NN will pick the (maxStreams-XmitsCount) number of ECtasks at a time for assigning to the respective DN.//get datanode commands      final int maxTransfer = blo...
http://issues.apache.org/jira/browse/HDFS-8391    Author: Uma Maheswara Rao G, 2015-05-14, 16:38
[HDFS-8129] Erasure Coding: Maintain consistent naming for Erasure Coding related classes - EC/ErasureCoding - HDFS - [issue]
...Currently I see some classes named as ErasureCode* and some are with EC*I feel we should maintain consistent naming across project. This jira to correct the places where we named differently...
http://issues.apache.org/jira/browse/HDFS-8129    Author: Uma Maheswara Rao G, 2015-05-07, 12:31
[HDFS-8336] Expose some administrative erasure coding operations to HdfsAdmin - HDFS - [issue]
...We have HdfsAdmin.java for exposing administrative functions. So, it would be good, if we could expose EC related administrative functions as well....
http://issues.apache.org/jira/browse/HDFS-8336    Author: Uma Maheswara Rao G, 2015-05-07, 06:31
[HDFS-7310] Mover can give first priority to local DN if it has target storage type available in local DN - HDFS - [issue]
...Currently Mover logic may move blocks to any DN which had target storage type. But if the src DN has target storage type then mover can give highest priority to local DN. If local DN does no...
http://issues.apache.org/jira/browse/HDFS-7310    Author: Uma Maheswara Rao G, 2015-05-05, 22:13
[HDFS-8189] ClientProtocol#createErasureCodingZone API was wrongly annotated as Idempotent - HDFS - [issue]
...Currently createErasureCodingZone was annotated as IdempotentBut it should be annotated as @AtMostOnce as we handle retries via retryCache. @Idempotent  public void createEras...
http://issues.apache.org/jira/browse/HDFS-8189    Author: Uma Maheswara Rao G, 2015-04-28, 09:57
[HDFS-8230] Erasure Coding: Ignore DatanodeProtocol#DNA_ERASURE_CODING_RECOVERY commands from standbynode if any - HDFS - [issue]
...Let's ignore DNA_ERASURE_CODING_RECOVERY command at DN if its coming from standby namenode. Ideally we should not get this commands from standby node. Since we handle to ignore the commands ...
http://issues.apache.org/jira/browse/HDFS-8230    Author: Uma Maheswara Rao G, 2015-04-28, 09:46
[HDFS-8181] createErasureCodingZone sets retryCache state as false always - HDFS - [issue]
...Currently createErasureCodingZone sets the RetryCache state as false always. Once the operation success it should pass true....
http://issues.apache.org/jira/browse/HDFS-8181    Author: Uma Maheswara Rao G, 2015-04-20, 10:36
[HDFS-8146] Protobuf changes for BlockECRecoveryCommand and its fields for making it ready for transfer to DN - HDFS - [issue]
...As part of working on HDFS-8137, we need to prepare BlockECRecoveryCommand, BlockECRecoveryInfo, DatanodeStorageInfo, DatanodeDescripter (We can use DatanodeInfo for proto trasfer)  sho...
http://issues.apache.org/jira/browse/HDFS-8146    Author: Uma Maheswara Rao G, 2015-04-18, 18:53
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NEW: Monitor These Apps!
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