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[HDFS-7703] Support favouredNodes for the append for new blocks - HDFS - [issue]
...Currently favorNodes is supported for the new file creation, and these nodes are applicable for all blocks of the file.Same support should be available when file is opened for append.But, ev...
http://issues.apache.org/jira/browse/HDFS-7703    Author: Vinayakumar B, 2015-01-30, 14:09
[HDFS-7690] Avoid Block movement in Balancer and Mover for the erasure encoded blocks - HDFS - [issue]
...As striped design says, its would be more fault tolerant if the striped blocks reside in different nodes of different racks. But Balancer and Mover may break this by moving the encoded block...
http://issues.apache.org/jira/browse/HDFS-7690    Author: Vinayakumar B, 2015-01-29, 03:49
[HDFS-7583] Fix findbug in TransferFsImage.java - HDFS - [issue]
...Fix following findbug resulting in recent jenkins runsExceptional return value of java.io.File.delete() ignored in org.apache.hadoop.hdfs.server.namenode.TransferFsImage.deleteTmpFiles(List)...
http://issues.apache.org/jira/browse/HDFS-7583    Author: Vinayakumar B, 2015-01-28, 17:04
[HDFS-7683] Combine usages and percent stats in NameNode UI - HDFS - [issue]
...In NameNode UI, there are separate rows to display cluster usage, one is in bytes, another one is in percentage.We can combine these two rows to just display percent usage in brackets....
http://issues.apache.org/jira/browse/HDFS-7683    Author: Vinayakumar B, 2015-01-28, 15:24
[HDFS-7691] Handle hflush and hsync in the best optimal way possible during online Erasure encoding - HDFS - [issue]
...as mentioned in design doc, hsync and hflush tends to make the online erasure encoding complex.But these are critical features to ensure fault tolerance for some users.These operations shoul...
http://issues.apache.org/jira/browse/HDFS-7691    Author: Vinayakumar B, 2015-01-28, 07:16
[HDFS-7689] Add periodic checker to find the corrupted EC blocks/files - HDFS - [issue]
...Periodic checker similar to ReplicationMonitor to monitor the EC files/blocks for the corruption/missing and schedule for the recovery/correction...
http://issues.apache.org/jira/browse/HDFS-7689    Author: Vinayakumar B, 2015-01-28, 06:58
[HDFS-7688] Client side api/config changes to support online encoding - HDFS - [issue]
...This Jira targets to handle Client side API changes to support directly erasure encoding with striped blocks from the client side...
http://issues.apache.org/jira/browse/HDFS-7688    Author: Vinayakumar B, 2015-01-28, 06:08
[HDFS-7582] Limit the number of default ACL entries to Half of maximum entries (16) - HDFS - [issue]
...Current ACL limits are only on the total number of entries.But there can be a situation where number of default entries for a directory will be more than half of the maximum entries, i.e. &g...
http://issues.apache.org/jira/browse/HDFS-7582    Author: Vinayakumar B, 2015-01-08, 10:20
[HDFS-7560] ACLs removed by removeDefaultAcl() will be back after NameNode restart/failover - HDFS - [issue]
...Default ACLs removed using removeDefaultAcl() will come back after Namenode restart/switch....
http://issues.apache.org/jira/browse/HDFS-7560    Author: Vinayakumar B, 2014-12-23, 15:31
[HDFS-7456] De-duplicate AclFeature instances with same AclEntries do reduce memory footprint of NameNode - HDFS - [issue]
...As discussed  in HDFS-7454 here, de-duplication of AclFeature helps in reducing the memory footprint of the namenode....
http://issues.apache.org/jira/browse/HDFS-7456    Author: Vinayakumar B, 2014-12-23, 15:31
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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