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[HDFS-8669] Erasure Coding: handle missing internal block locations in DFSStripedInputStream - HDFS - [issue]
...Currently DFSStripedInputStream assumes we always have complete internal block location information, i.e., we can always get all the DataNodes for a striped block group. In a lot of scenario...
http://issues.apache.org/jira/browse/HDFS-8669    Author: Jing Zhao, 2015-07-13, 19:45
[HDFS-5333] Improvement of current HDFS Web UI - HDFS - [issue]
...This is an umbrella jira for improving the current JSP-based HDFS Web UI....
http://issues.apache.org/jira/browse/HDFS-5333    Author: Jing Zhao, 2015-06-30, 08:25
[HDFS-7912] Erasure Coding: track BlockInfo instead of Block in UnderReplicatedBlocks and PendingReplicationBlocks - HDFS - [issue]
...Now with striped blocks and the design that uses a single BlockInfoStriped object to track all the corresponding blocks, we need to clearly distinguish the type Block and BlockInfo in BlockM...
http://issues.apache.org/jira/browse/HDFS-7912    Author: Jing Zhao, 2015-06-18, 15:35
[HDFS-7907] Erasure Coding: track invalid, corrupt, and under-recovery striped blocks in NameNode - HDFS - [issue]
...With recent changes from HDFS-7411, we need to update DecommissionManager to support striped blocks....
http://issues.apache.org/jira/browse/HDFS-7907    Author: Jing Zhao, 2015-06-18, 07:43
[HDFS-7743] Code cleanup of BlockInfo and rename BlockInfo to BlockInfoContiguous - HDFS - [issue]
...In the work of erasure coding (HDFS-7285), we plan to extend the class BlockInfo to two subclasses: BlockReplicationInfo and BlockGroupInfo (HDFS-7716). To ease the HDFS-EC branch syncing wi...
http://issues.apache.org/jira/browse/HDFS-7743    Author: Jing Zhao, 2015-06-17, 06:32
[HDFS-7622] Erasure Coding: handling file truncation - HDFS - [issue]
...This jira will cover the following issues: how to truncate an erasure coded file how to erasure code a file that has been truncated and snapshotted...
http://issues.apache.org/jira/browse/HDFS-7622    Author: Jing Zhao, 2015-06-11, 10:02
[HDFS-8293] Erasure Coding: test the retry logic of DFSStripedInputStream - HDFS - [issue]
...In DFSStripedInputStream/DFSInputStream we retry the reading sometimes to refetch token or encryption key. This jira plans to add more tests for it....
http://issues.apache.org/jira/browse/HDFS-8293    Author: Jing Zhao, 2015-06-11, 09:29
[HDFS-7827] Erasure Coding: support striped blocks in non-protobuf fsimage - HDFS - [issue]
...HDFS-7749 only adds code to persist striped blocks to protobuf-based fsimage. We should also add this support to the non-protobuf fsimage since it is still used for use cases like offline im...
http://issues.apache.org/jira/browse/HDFS-7827    Author: Jing Zhao, 2015-06-08, 19:28
[HDFS-8319] Erasure Coding: support decoding for stateful read - HDFS - [issue]
...HDFS-7678 adds the decoding functionality for pread. This jira plans to add decoding to stateful read....
http://issues.apache.org/jira/browse/HDFS-8319    Author: Jing Zhao, 2015-06-05, 02:17
[HDFS-6423] Diskspace quota usage should be updated when appending data to partial block - HDFS - [issue]
...When appending new data to a file whose last block is a partial block, the diskspace quota usage is not correctly update. For example, suppose the block size is 1024 bytes, and a file has si...
http://issues.apache.org/jira/browse/HDFS-6423    Author: Jing Zhao, 2015-06-04, 08:27
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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