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[HDFS-7226] TestDNFencing.testQueueingWithAppend failed often in latest test - HDFS - [issue]
...Using tool from HADOOP-11045, got the following report:[yzhang@localhost jenkinsftf]$ ./determine-flaky-tests-hadoop.py -j PreCommit-HDFS-Build -n 1 ****Recently FAILED builds in url: https:...
http://issues.apache.org/jira/browse/HDFS-7226    Author: Yongjun Zhang, 2014-10-22, 08:18
[HDFS-6291] FSImage may be left unclosed in BootstrapStandby#doRun() - HDFS - [issue]
...At around line 203:      if (!checkLogsAvailableForRead(image, imageTxId, curTxId)) {        return ERR_CODE_LOGS_UNAVAILABLE;    ...
http://issues.apache.org/jira/browse/HDFS-6291    Author: Ted Yu, 2014-10-22, 08:18
[HDFS-6824] Additional user documentation for HDFS encryption. - HDFS - [issue]
...We'd like to better document additional things about HDFS encryption: setup and configuration, using alternate access methods (namely WebHDFS and HttpFS), other misc improvements....
http://issues.apache.org/jira/browse/HDFS-6824    Author: Andrew Wang, 2014-10-22, 07:00
[HDFS-7165] Separate block metrics for files with replication count 1 - HDFS - [issue]
...We see a lot of escalations because someone has written teragen output with a replication factor of 1, a DN goes down, and a bunch of missing blocks show up. These are normally false positiv...
http://issues.apache.org/jira/browse/HDFS-7165    Author: Andrew Wang, 2014-10-22, 06:54
[HDFS-7276] Limit the number of byte arrays used by DFSOutputStream - HDFS - [issue]
...When there are a lot of DFSOutputStream's writing concurrently, the number of outstanding packets could be large.  The byte arrays created by those packets could occupy a lot of memory....
http://issues.apache.org/jira/browse/HDFS-7276    Author: Tsz Wo Nicholas Sze, 2014-10-22, 06:46
[HDFS-7257] Add the time of last HA state transition to NN's /jmx page - HDFS - [issue]
...It would be useful to some monitoring apps to expose the last HA transition time in the NN's /jmx page....
http://issues.apache.org/jira/browse/HDFS-7257    Author: Charles Lamb, 2014-10-22, 04:40
[HDFS-7254] Add documents for hot swap drive - HDFS - [issue]
...Add documents for the hot swap drive functionality....
http://issues.apache.org/jira/browse/HDFS-7254    Author: Lei, 2014-10-22, 03:39
[HDFS-7243] HDFS concat operation should not be allowed in Encryption Zone - HDFS - [issue]
...For HDFS encryption at rest, files in an encryption zone are using different data encryption keys, so concat should be disallowed....
http://issues.apache.org/jira/browse/HDFS-7243    Author: Yi Liu, 2014-10-22, 02:00
[HDFS-7270] Implementing congestion control in writing pipeline - HDFS - [issue]
...When a client writes to HDFS faster than the disk bandwidth of the DNs, it  saturates the disk bandwidth and put the DNs unresponsive. The client only backs off by aborting / recovering...
http://issues.apache.org/jira/browse/HDFS-7270    Author: Haohui Mai, 2014-10-22, 01:30
[HDFS-7015] Implement C++ interface for file system for libhdfs3 - HDFS - [issue]
...Implement the C++ interface for file system functions such as "connect", "deletePath" and so on....
http://issues.apache.org/jira/browse/HDFS-7015    Author: Zhanwei Wang, 2014-10-22, 01:26
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