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[HDFS-7350] WebHDFS: Support EC commands through webhdfs - HDFS - [issue]
http://issues.apache.org/jira/browse/HDFS-7350    Author: Uma Maheswara Rao G, 2014-11-04, 12:39
[HDFS-6698] try to optimize DFSInputStream.getFileLength() - HDFS - [issue]
...HBase prefers to invoke read() serving scan request, and invoke pread() serving get reqeust. Because pread() almost holds no lock.Let's image there's a read() running, because the definition...
http://issues.apache.org/jira/browse/HDFS-6698    Author: Liang Xie, 2014-11-04, 10:31
[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-1901161041-172.28.1.251-1402542341112 block ID 1073741926_1102] o...
http://issues.apache.org/jira/browse/HDFS-6590    Author: Guo Ruijing, 2014-11-04, 07:37
[HDFS-6552] add DN storage to a BlockInfo will not replace the different storage from same DN - HDFS - [issue]
...In BlockInfo - addStorage code looks wrong.At line 10 (below) - we remove the storage we're about to add from the list of storages, then add it. If the aim was to replace the different stora...
http://issues.apache.org/jira/browse/HDFS-6552    Author: Amir Langer, 2014-11-04, 07:13
[HDFS-7341] Add initial snapshot support based on pipeline recovery - HDFS - [issue]
...Add initial snapshot support based on pipeline recovery.  This iteration does not support snapshots or rollback.  This support will be added in the HDFS-3107 branch by later subtas...
http://issues.apache.org/jira/browse/HDFS-7341    Author: Colin Patrick McCabe, 2014-11-04, 02:32
[HDFS-7332] Fix TestMultipleNNDataBlockScanner failures in jenkin slaves. - HDFS - [issue]
...BlockPoolSliceScanner sorts BlockScanInfo by its lastScanTime. Each time, the scanner picks a BlockScanInfo with the smallest lastScanTime to scan and then updates its lastScanTime = Time.mo...
http://issues.apache.org/jira/browse/HDFS-7332    Author: Lei, 2014-11-04, 02:25
[HDFS-6292] Display HDFS per user and per group usage on the webUI - HDFS - [issue]
...It would be nice to show HDFS usage per user and per group on a web ui....
http://issues.apache.org/jira/browse/HDFS-6292    Author: Ravi Prakash, 2014-11-03, 23:24
[HDFS-7323] Move the get/setStoragePolicy commands out from dfsadmin - HDFS - [issue]
...After HDFS-7093, setting storage policy no longer requires superuser privilege.  We should move the get/setStoragePolicy commands out from dfsadmin....
http://issues.apache.org/jira/browse/HDFS-7323    Author: Tsz Wo Nicholas Sze, 2014-11-03, 22:53
[HDFS-7327] Adding additional tracing for memory storage eviction algorithm - HDFS - [issue]
...Adding additional tracing around the block eviction algorithm runtime such as the current percentage of free RamDisk, current bytes of free RamDisk and the threshold value set by hdfs-site.x...
http://issues.apache.org/jira/browse/HDFS-7327    Author: Xiaoyu Yao, 2014-11-03, 19:27
[HDFS-6917] Add an hdfs debug command to validate blocks, call recoverlease, etc. - HDFS - [issue]
...HDFS should have a debug command which could validate HDFS block files, call recoverLease, and have some other functionality.  These commands would be purely for debugging and would app...
http://issues.apache.org/jira/browse/HDFS-6917    Author: Colin Patrick McCabe, 2014-11-03, 19:13
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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