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[HDFS-7545] Data striping support in HDFS client - HDFS - [issue]
...Data striping is a commonly used data layout with critical benefits in the context of erasure coding. This JIRA aims to extend HDFS client to work with striped blocks....
http://issues.apache.org/jira/browse/HDFS-7545    Author: Zhe Zhang, 2014-12-18, 00:53
[HDFS-7509] Avoid resolving path multiple times - HDFS - [issue]
http://issues.apache.org/jira/browse/HDFS-7509    Author: Jing Zhao, 2014-12-17, 23:52
[HDFS-6662] [ UI ] Not able to open file from UI if file path contains "%" - HDFS - [issue]
...1. write a file into HDFS is such a way that, file name is like 1%2%3%42. using NameNode UI browse the filethrowing following Exception."Path does not exist on HDFS or WebHDFS is disabled. P...
http://issues.apache.org/jira/browse/HDFS-6662    Author: Brahma Reddy Battula, 2014-12-17, 23:31
[HDFS-7540] Add IOUtils#listDirectory - HDFS - [issue]
...We should have a drop-in replacement for File#listDir that doesn't hide IOExceptions, and which returns a ChunkedArrayList rather than a single large array....
http://issues.apache.org/jira/browse/HDFS-7540    Author: Colin Patrick McCabe, 2014-12-17, 20:21
[HDFS-7541] Support for fast HDFS datanode rolling upgrade - HDFS - [issue]
...Current HDFS DN rolling upgrade step requires sequential DN restart to minimize the impact on data availability and read/write operations. The side effect is longer upgrade duration for larg...
http://issues.apache.org/jira/browse/HDFS-7541    Author: Ming Ma, 2014-12-17, 19:57
[HDFS-7285] Erasure Coding Support inside HDFS - HDFS - [issue]
...Erasure Coding (EC) can greatly reduce the storage overhead without sacrifice of data reliability, comparing to the existing HDFS 3-replica approach. For example, if we use a 10+4 Reed Solom...
http://issues.apache.org/jira/browse/HDFS-7285    Author: Weihua Jiang, 2014-12-17, 19:51
[HDFS-6403] Add metrics for log warnings reported by JVM pauses - HDFS - [issue]
...HADOOP-9618 logs warnings when there are long GC pauses. If this is exposed as a metric, then they can be monitored....
http://issues.apache.org/jira/browse/HDFS-6403    Author: Yongjun Zhang, 2014-12-17, 19:50
[HDFS-6959] Make the HDFS home directory location customizable. - HDFS - [issue]
...The path is currently hardcoded:public Path getHomeDirectory() {    return makeQualified(new Path("/user/" + dfs.ugi.getShortUserName()));  }It would be nice to have...
http://issues.apache.org/jira/browse/HDFS-6959    Author: Kevin Odell, 2014-12-17, 19:47
[HDFS-7536] Remove unused CryptoCodec in org.apache.hadoop.fs.Hdfs - HDFS - [issue]
...in org.apache.hadoop.fs.Hdfs, the CryptoCodec is unused, and we can remove it....
http://issues.apache.org/jira/browse/HDFS-7536    Author: Yi Liu, 2014-12-17, 15:41
[HDFS-6425] Large postponedMisreplicatedBlocks has impact on blockReport latency - HDFS - [issue]
...Sometimes we have large number of over replicates when NN fails over. When the new active NN took over, over replicated blocks will be put to postponedMisreplicatedBlocks until all DNs for t...
http://issues.apache.org/jira/browse/HDFS-6425    Author: Ming Ma, 2014-12-17, 15:41
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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