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[HDFS-7313] Support optional configuration of AES cipher suite on DataTransferProtocol. - HDFS - [issue]
...HDFS-6606 introduced use of AES for encryption of DataTransferProtocol.  This issue proposes introduction of a configuration property for administrators to control whether or not AES is...
http://issues.apache.org/jira/browse/HDFS-7313    Author: Chris Nauroth, 2014-10-31, 17:07
[HDFS-7299] Hadoop Namenode failing because of negative value in fsimage - HDFS - [issue]
...Hadoop Namenode is getting failed because of some unexpected value of block size in fsimage.Stack trace:2014-10-27 16:22:12,107 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: STARTUP_...
http://issues.apache.org/jira/browse/HDFS-7299    Author: Vishnu Ganth, 2014-10-31, 16:39
[HDFS-7314] Aborted DFSClient's impact on long running service like YARN - HDFS - [issue]
...It happened in YARN nodemanger scenario. But it could happen to any long running service that use cached instance of DistrbutedFileSystem.1. Active NN is under heavy load. So it became unava...
http://issues.apache.org/jira/browse/HDFS-7314    Author: Ming Ma, 2014-10-31, 16:11
[HDFS-6698] try to optimize DFSInputStream.getFileLength() - HDFS - [issue]
...HBase prefers to invoke read() serving scan request, and invoke pread() serving get reqeust. Because pread() almost holds no lock.Let's image there's a read() running, because the definition...
http://issues.apache.org/jira/browse/HDFS-6698    Author: Liang Xie, 2014-10-31, 15:51
[HDFS-7230] Add rolling downgrade documentation - HDFS - [issue]
...HDFS-5535 made a lot of improvement on rolling upgrade.  It also added the cluster downgrade feature.  However, the downgrade described in HDFS-5535 requires cluster downtime. &nbs...
http://issues.apache.org/jira/browse/HDFS-7230    Author: Tsz Wo Nicholas Sze, 2014-10-31, 15:15
[HDFS-6385] Show when block deletion will start after NameNode startup in WebUI - HDFS - [issue]
...HDFS-6186 provides functionality to delay block deletion for a period of time after NameNode startup. Currently we only show the number of pending block deletions in WebUI. We should also sh...
http://issues.apache.org/jira/browse/HDFS-6385    Author: Jing Zhao, 2014-10-31, 15:15
[HDFS-3342] SocketTimeoutException in BlockSender.sendChunks could have a better error message - HDFS - [issue]
...Currently, if a client connects to a DN and begins to read a block, but then stops calling read() for a long period of time, the DN will log a SocketTimeoutException "480000 millis timeout w...
http://issues.apache.org/jira/browse/HDFS-3342    Author: Todd Lipcon, 2014-10-31, 15:15
[HDFS-7035] Make adding a new data directory to the DataNode an atomic operation and improve error handling - HDFS - [issue]
...It refactors DataStorage and BlockPoolSliceStorage to reduce the duplicate code and supports atomic adding volume operations. Also it parallels loading data volume operation: each thread loa...
http://issues.apache.org/jira/browse/HDFS-7035    Author: Lei, 2014-10-31, 15:15
[HDFS-7097] Allow block reports to be processed during checkpointing on standby name node - HDFS - [issue]
...On a reasonably busy HDFS cluster, there are stream of creates, causing data nodes to generate incremental block reports.  When a standby name node is checkpointing, RPC handler threads...
http://issues.apache.org/jira/browse/HDFS-7097    Author: Kihwal Lee, 2014-10-31, 14:54
[HDFS-7310] Mover can give first priority to local DN if it has target storage type available in local DN - HDFS - [issue]
...Currently Mover logic may move blocks to any DN which had target storage type. But if the src DN has target storage type then mover can give highest priority to local DN. If local DN does no...
http://issues.apache.org/jira/browse/HDFS-7310    Author: Uma Maheswara Rao G, 2014-10-31, 14:52
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