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[HDFS-4542] Webhdfs doesn't support secure proxy users
...Webhdfs doesn't ever send the DoAsParam in the REST calls for proxy users. Proxy users on a non-secure cluster "work" because the server sees them as the effective user, not a proxy us...
, 2014-09-03, 23:55
[HDFS-6965] NN continues to issue block locations for DNs with full disks
...Encountered issues where DNs have less space than a full block and reject incoming transfers. The NN continues giving out locations for these nodes for some period of time. It do...
, 2014-08-28, 20:43
[HDFS-6773] MiniDFSCluster should skip edit log fsync by default
...The mini cluster is unnecessarily running with durable edit logs. The following change cut runtime of a single test from ~30s to ~10s.EditLogFileOutputStream.setShouldSkipFsyncForTesti...
, 2014-08-27, 21:44
[HDFS-3905] Secure cluster cannot use hftp to an insecure cluster
...HDFS-3873 fixed the case where all exceptions acquiring tokens for hftp were ignored. Jobs would be submitted sans tokens, and then the tasks would eventually all fail trying to get th...
, 2014-07-30, 00:02
[HDFS-6764] DN heartbeats may become clumped together
...DNs send heartbeats on a fixed schedule based on the last time a heartbeat was sent. If the NN takes longer to respond than the heartbeat interval then DNs do not sleep until the next ...
, 2014-07-29, 17:00
[HDFS-6313] WebHdfs may use the wrong NN when configured for multiple HA NNs
...WebHdfs resolveNNAddr will return a union of addresses for all HA configured NNs. The client may access the wrong NN....
, 2014-06-30, 09:18
[HDFS-6222] Remove background token renewer from webhdfs
...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....
, 2014-06-21, 16:19
[HDFS-6312] WebHdfs HA failover is broken on secure clusters
...When webhdfs does a failover, it blanks out the delegation token. This will cause subsequent operations against the other NN to acquire a new token. Tasks cannot acquire a token ...
, 2014-06-20, 16:18
[HDFS-6305] WebHdfs response decoding may throw RuntimeExceptions
...WebHdfs does not guard against exceptions while decoding the response payload. The json parser will throw RunTime exceptions on malformed responses. The json decoding routines do...
, 2014-05-15, 19:20
[HDFS-4437] Clients should not retain leases on moved files
...Moving open files and/or parent directories of open files will rewrite the leases to the new path. The client is not notified so future stream operations will fail. However, as l...
, 2014-05-12, 19:16
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