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[HDFS-4990] Block placement for storage types - HDFS - [issue]
...Currently block location for writes are made based on: Datanode load (number of transceivers) Space left on datanode TopologyWith storage abstraction, namenode must choose a storage instead ...
http://issues.apache.org/jira/browse/HDFS-4990    Author: Suresh Srinivas, 2013-09-18, 23:20
[HDFS-4987] Namenode changes to track multiple storages - HDFS - [issue]
...Currently namenode track in BlockInfo, the corresponding DataNodeDescriptor. I propose changing this with new abstraction StorageDescriptor. This change will also make DatanodeDescriptor a c...
http://issues.apache.org/jira/browse/HDFS-4987    Author: Suresh Srinivas, 2013-09-03, 05:07
[HDFS-4785] Concat operation does not remove concatenated files from InodeMap - HDFS - [issue]
...Concat operations takes a set of src files under a directory and concatenates them to a single target file. The inodes corresponding to src files are not deleted from the InodeMap....
http://issues.apache.org/jira/browse/HDFS-4785    Author: Suresh Srinivas, 2013-08-27, 23:08
[HDFS-4974] Analyze and add annotations to Namenode protocol methods and enable retry - HDFS - [issue]
...This jira is intended for: Discussing current @Idempotent annotations in HDFS protocols and adding that annotation where it is missing. Discuss how retry should be enabled for non-idempotent...
http://issues.apache.org/jira/browse/HDFS-4974    Author: Suresh Srinivas, 2013-08-27, 23:08
[HDFS-2843] Rename protobuf message StorageInfoProto to NodeInfoProto - HDFS - [issue]
...StorageInfoProto has cTime, layoutVersion, namespaceID and clusterID. This is really information of a node that is part of the cluster, such as Namenode, Standby/Secondary/Backup/Checkpointe...
http://issues.apache.org/jira/browse/HDFS-2843    Author: Suresh Srinivas, 2013-08-22, 08:09
[HDFS-2847] NamenodeProtocol#getBlocks() should use DatanodeID as an argument instead of DatanodeInfo - HDFS - [issue]
...DatanodeID is sufficient for identifying a Datanode. DatanodeInfo has a lot of information that is not required....
http://issues.apache.org/jira/browse/HDFS-2847    Author: Suresh Srinivas, 2013-08-22, 08:07
[HDFS-4985] Add storage type to the protocol and expose it in block report and block locations - HDFS - [issue]
...With HDFS-2880 datanode now supports storage abstraction. This is to add storage type in to the protocol. Datanodes currently report blocks per storage. Storage would include storage type at...
http://issues.apache.org/jira/browse/HDFS-4985    Author: Suresh Srinivas, 2013-08-22, 00:19
Re: Which SVN location should i checkout for creating patch to branch-1 (HDFS-2933) ? - HDFS - [mail # dev]
...Vivek,  The current branch where features/bug fixes go to for release 1.x is https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1  1.x releases are created from the abo...
   Author: Suresh Srinivas, 2013-08-20, 15:40
[HDFS-4777] File creation with overwrite flag set to true results in logSync holding namesystem lock - HDFS - [issue]
...FSNamesystem#startFileInternal calls delete. Delete method releases the write lock, making parts of startFileInternal code unintentionally executed without write lock being held....
http://issues.apache.org/jira/browse/HDFS-4777    Author: Suresh Srinivas, 2013-08-13, 13:52
Re: Feature request to provide DFSInputStream subclassing mechanism - HDFS - [mail # dev]
...This is being targeted for release 2.3.  2.1.x release stream is for stabilizing. When it reaches stability, 2.2 GA will be released. The current features in development will make it to...
   Author: Suresh Srinivas, 2013-08-08, 21:17
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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