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[HDFS-8816] Improve visualization for the Datanode tab in the NN UI - HDFS - [issue]
...The information of the datanode tab in the NN UI is clogged. This jira proposes to improve the visualization of the datanode tab in the UI....
http://issues.apache.org/jira/browse/HDFS-8816    Author: Haohui Mai, 2015-07-30, 16:38
[HDFS-8784] BlockInfo#numNodes should be numStorages - HDFS - [issue]
...The method actually returns the number of storages holding a block....
http://issues.apache.org/jira/browse/HDFS-8784    Author: Zhe Zhang, 2015-07-30, 15:51
[HDFS-6682] Add a metric to expose the timestamp of the oldest under-replicated block - HDFS - [issue]
...In the following case, the data in the HDFS is lost and a client needs to put the same file again. A Client puts a file to HDFS A DataNode crashes before replicating a block of the file to o...
http://issues.apache.org/jira/browse/HDFS-6682    Author: Akira AJISAKA, 2015-07-30, 15:28
[HDFS-8202] Improve end to end stirpping file test to add erasure recovering test - HDFS - [issue]
...This to follow on HDFS-8201 to add erasure recovering test in the end to end stripping file test: After writing certain blocks to the test file, delete some block file; Read the file content...
http://issues.apache.org/jira/browse/HDFS-8202    Author: Kai Zheng, 2015-07-30, 13:17
[HDFS-8792] Improve BlockManager#postponedMisreplicatedBlocks and BlockManager#excessReplicateMap - HDFS - [issue]
...LightWeightHashSet requires fewer memory than java hashset. Furthermore, for excessReplicateMap, we can use HashMap instead of TreeMap instead, since no need to sort....
http://issues.apache.org/jira/browse/HDFS-8792    Author: Yi Liu, 2015-07-30, 13:17
[HDFS-8830] Support add/remove directories to an existing encryption zone - HDFS - [issue]
...This is the first step toward better "Scratch space" and "Soft Delete" support. We remove the assumption that the hdfs directory and encryption zone is 1 to 1 mapped and can't be changed onc...
http://issues.apache.org/jira/browse/HDFS-8830    Author: Xiaoyu Yao, 2015-07-30, 11:56
[HDFS-8388] Time and Date format need to be in sync in Namenode UI page - HDFS - [issue]
...In NameNode UI Page, Date and Time FORMAT  displayed on the page are not in sync currently.Started:Wed May 13 12:28:02 IST 2015Compiled:23 Apr 2015 12:22:59 Block Deletion Start Time &n...
http://issues.apache.org/jira/browse/HDFS-8388    Author: Archana T, 2015-07-30, 11:46
[HDFS-8833] Erasure coding: store EC schema and cell size with INodeFile and eliminate EC zones - HDFS - [issue]
...We have discussed  storing EC schema with files instead of EC zones and recently revisited the discussion under HDFS-8059.As a recap, the zone concept has severe limitations including r...
http://issues.apache.org/jira/browse/HDFS-8833    Author: Zhe Zhang, 2015-07-30, 10:12
[HDFS-8838] Tolerate datanode failures in DFSStripedOutputStream when the data length is small - HDFS - [issue]
...Currently, DFSStripedOutputStream cannot tolerate datanode failures when the data length is small.  We fix the bugs here and add more tests....
http://issues.apache.org/jira/browse/HDFS-8838    Author: Tsz Wo Nicholas Sze, 2015-07-30, 10:08
[HDFS-8704] Erasure Coding: client fails to write large file when one datanode fails - HDFS - [issue]
...I test current code on a 5-node cluster using RS(3,2).  When a datanode is corrupt, client succeeds to write a file smaller than a block group but fails to write a large one. TestDFSStr...
http://issues.apache.org/jira/browse/HDFS-8704    Author: Li Bo, 2015-07-30, 10:05
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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