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[HDFS-6005] Simplify Datanode rollback and downgrade - HDFS - [issue]
...Problem:When rolling upgrade fails, the cluster can either be downgraded or rolled back. With the current functionality in this feature branch, it is possible to downgrade namenode, while da...
http://issues.apache.org/jira/browse/HDFS-6005    Author: Suresh Srinivas, 2014-02-24, 20:47
Re: Thinking ahead to 2.4 - HDFS - [mail # dev]
...Arun,Some of the previously 2.4 targeted features were made available in 2.3:- Heterogeneous storage support- Datanode cacheThe following are being targeted for 2.4:- Use protobuf for fsimge...
   Author: Suresh Srinivas, 2014-02-20, 22:02
Re: [VOTE] Merge HDFS-4685 HDFS ACLs to trunk - HDFS - [mail # dev]
...+1. I have been part of the design of this feature. Thanks to everyone whocontributed to this feature development!On Mon, Feb 10, 2014 at 4:46 PM, Chris Nauroth wrote:http://hortonworks.com/...
   Author: Suresh Srinivas, 2014-02-13, 21:19
Re: How patch for renamed file handled while committing? - HDFS - [mail # dev]
...It is handled using svn rename command. There are times when committers donot notice this and end up committing the patch as is. This ends updeleting the contents of renamed files, leaving b...
   Author: Suresh Srinivas, 2014-02-12, 07:30
Re: [VOTE] Merge HDFS-5698 Use protobuf to serialize / deserialize FSImage to trunk - HDFS - [mail # dev]
...+1. This is an important feature that gets rid of all the customserialization and unnecessary code around it. Helps in rolling upgradescenarios too!Nice job Haohui Mai and Jing Zhao!On Thu, ...
   Author: Suresh Srinivas, 2014-01-31, 19:47
Re: Is it me or is the new bootstrap HDFS UI HWX green? (See tip of hadoop-2.3 branch) - HDFS - [mail # dev]
...Stack,4. Bigtop/Oozie, other Apache projects altogether, have Cloudera references> in their UI (?) so the take away is HWX can do it too, or, because I raise> an issue here -- it is on...
   Author: Suresh Srinivas, 2014-01-30, 04:48
[HDFS-5704] Change OP_UPDATE_BLOCKS  with a new OP_ADD_BLOCK - HDFS - [issue]
...Currently every time a block a allocated, the entire list of blocks are written in the editlog in OP_UPDATE_BLOCKS operation. This has n^2 growth issue. The total size of editlog records for...
http://issues.apache.org/jira/browse/HDFS-5704    Author: Suresh Srinivas, 2014-01-28, 23:36
[HDFS-5305] Add https support in HDFS - HDFS - [issue]
...This is the HDFS part of HADOOP-10022. This will serve as the umbrella jira for all the https related cleanup in HDFS....
http://issues.apache.org/jira/browse/HDFS-5305    Author: Suresh Srinivas, 2013-12-19, 03:43
[HDFS-4989] Balancer needs to consider storage type in balancing - HDFS - [issue]
...Balancer needs to balance with in a storage tier. A couple of works: add an option of storageType in balancer CLI to balance data on a specific storage type. add storageType to BalancingPoli...
http://issues.apache.org/jira/browse/HDFS-4989    Author: Suresh Srinivas, 2013-12-18, 20:34
Re: Deprecate BackupNode - HDFS - [mail # dev]
...Konstantin,  On Sun, Dec 8, 2013 at 1:06 PM, Konstantin Shvachko wrote:   Please see reply - https://issues.apache.org/jira/browse/HDFS-4114?focusedCommentId=13841600&page=com.atla...
   Author: Suresh Srinivas, 2013-12-09, 00:43
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