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[HDFS-6961] Archival Storage: BlockPlacementPolicy#chooseTarget should check each valid storage type in each choosing round - HDFS - [issue]
...Currently in each choosing round of BlockPlacementPolicy#chooseTarget (e.g., round 1 for choosing local storage, round 2 for remote rack, etc.), we only take into account the first storage t...
http://issues.apache.org/jira/browse/HDFS-6961    Author: Jing Zhao, 2014-09-04, 22:23
[HDFS-6991] Notify NN of evicted block before deleting it from RAM disk - HDFS - [issue]
...When evicting a block from RAM disk to persistent storage, the DN should notify the NN of the persistent replica before deleting the replica from RAM disk. Else there can be a window of time...
http://issues.apache.org/jira/browse/HDFS-6991    Author: Arpit Agarwal, 2014-09-04, 21:28
[HDFS-6977] Delete all copies when a block is deleted from the block space - HDFS - [issue]
...When a block is deleted from RAM disk we should also delete the copies written to lazyPersist/.Reported by Xiaoyu Yao...
http://issues.apache.org/jira/browse/HDFS-6977    Author: Xiaoyu Yao, 2014-09-04, 20:59
[HDFS-6852] TestBalancerWithEncryptedTransfer sometimes fails in trunk - HDFS - [issue]
...From https://builds.apache.org/job/Hadoop-Hdfs-trunk/1837/ :REGRESSION:  org.apache.hadoop.hdfs.server.balancer.TestBalancerWithEncryptedTransfer.testEncryptedBalancer0Error Message:Reb...
http://issues.apache.org/jira/browse/HDFS-6852    Author: Ted Yu, 2014-09-04, 17:54
[HDFS-2975] Rename with overwrite flag true can make NameNode to stuck in safemode on NN (crash + restart). - HDFS - [issue]
...When we rename the file with overwrite flag as true, it will delete the destination file blocks. After deleting the blocks, whenever it releases the fsNameSystem lock, NN can give the invali...
http://issues.apache.org/jira/browse/HDFS-2975    Author: Uma Maheswara Rao G, 2014-09-04, 17:37
[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, 2014-09-04, 17:37
[HDFS-253] Method to retrieve all quotas active on HDFS - HDFS - [issue]
...Currently the only way to view quota information on an HDFS is via dfs -count -q, which is fine when an admin is examining a specific directory for quota status.It would also be good to do f...
http://issues.apache.org/jira/browse/HDFS-253    Author: Marco Nicosia, 2014-09-04, 16:26
[HDFS-2711] getAllHdfsQuotas() API - HDFS - [issue]
...There's not a particularly easy way to get a list of all the quotas in HDFS today.  It would be really nice to have an API that made information about the quotas and their respective fi...
http://issues.apache.org/jira/browse/HDFS-2711    Author: Jonathan Natkins, 2014-09-04, 16:26
[HDFS-6659] Create a Block List - HDFS - [issue]
...BlockList - An efficient array based list that can extend its capacity with two main features:1. Gaps (result of remove operations) are managed internally without the need for extra memory -...
http://issues.apache.org/jira/browse/HDFS-6659    Author: Amir Langer, 2014-09-04, 15:21
[HDFS-5442] Zero loss HDFS data replication for multiple datacenters - HDFS - [issue]
...Hadoop is architected to operate efficiently at scale for normal hardware failures within a datacenter. Hadoop is not designed today to handle datacenter failures. Although HDFS is not desig...
http://issues.apache.org/jira/browse/HDFS-5442    Author: Avik Dey, 2014-09-04, 10:51
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