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[HDFS-5477] Block manager as a service - HDFS - [issue]
...The block manager needs to evolve towards having the ability to run as a standalone service to improve NN vertical and horizontal scalability.  The goal is reducing the memory footprint...
http://issues.apache.org/jira/browse/HDFS-5477    Author: Daryn Sharp, 2014-04-23, 09:16
[HDFS-4368] Backport HDFS-3553 (hftp proxy tokens) to branch-1 - HDFS - [issue]
...Proxy tokens are broken for hftp.  The impact is systems using proxy tokens, such as oozie jobs, cannot use hftp....
http://issues.apache.org/jira/browse/HDFS-4368    Author: Daryn Sharp, 2014-04-21, 22:32
[HDFS-5773] NN may reject formerly dead DNs - HDFS - [issue]
...If the heartbeat monitor declares a node dead, it may never allow a DN to rejoin.  The NN will generate messages like "Got blockReceivedDeleted message from unregistered or dead node".T...
http://issues.apache.org/jira/browse/HDFS-5773    Author: Daryn Sharp, 2014-04-17, 21:16
[HDFS-6214] Webhdfs has poor throughput for files >2GB - HDFS - [issue]
...For the DN's open call, jetty returns a Content-Length header for files <2GB, and uses chunking for files >2GB.  A "bug" in jetty's buffer handling results in a ~8X reduction in t...
http://issues.apache.org/jira/browse/HDFS-6214    Author: Daryn Sharp, 2014-04-17, 16:02
[HDFS-6219] Proxy superuser configuration should use true client IP for address checks - HDFS - [issue]
...Similar to HDFS-6218, the trusted proxies should use X-Forwarded-For when performing superuser checks so oozie can use webhdfs via a http proxy....
http://issues.apache.org/jira/browse/HDFS-6219    Author: Daryn Sharp, 2014-04-17, 16:02
[HDFS-6218] Audit log should use true client IP for proxied webhdfs operations - HDFS - [issue]
...When using a http proxy, it's not very useful for the audit log to contain the proxy's IP address.  Similar to proxy superusers, the NN should allow configuration of trusted proxy serve...
http://issues.apache.org/jira/browse/HDFS-6218    Author: Daryn Sharp, 2014-04-14, 17:08
[HDFS-4587] Webhdfs secure clients are incompatible with non-secure NN - HDFS - [issue]
...A secure webhdfs client will receive an exception from a non-secure NN.  For a NN in non-secure mode, FSNamesystem#getDelegationToken will return "null" to indicate no token is required...
http://issues.apache.org/jira/browse/HDFS-4587    Author: Daryn Sharp, 2014-04-14, 15:11
[HDFS-4576] Webhdfs authentication issues - HDFS - [issue]
...Umbrella jira to track the webhdfs authentication issues as subtasks....
http://issues.apache.org/jira/browse/HDFS-4576    Author: Daryn Sharp, 2014-04-14, 15:09
[HDFS-6217] Webhdfs PUT operations may not work via a http proxy - HDFS - [issue]
...Most of webhdfs's PUT operations have no message body.  The HTTP/1.1 spec is fuzzy in how PUT requests with no body should be handled.  If the request does not specify chunking or ...
http://issues.apache.org/jira/browse/HDFS-6217    Author: Daryn Sharp, 2014-04-11, 01:41
[HDFS-6222] Remove background token renewer from webhdfs - HDFS - [issue]
...The background token renewer is a source of problems for long-running daemons.  Webhdfs should lazy fetch a new token when it receives an InvalidToken exception....
http://issues.apache.org/jira/browse/HDFS-6222    Author: Daryn Sharp, 2014-04-09, 17:59
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