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2257 Commits

Author SHA1 Message Date
Chris Douglas
559425dcb9 HADOOP-5732. Add SFTPFileSystem. Contributed by Ramtin Boustani and Inigo Goiri 2015-07-07 10:08:59 -07:00
Varun Vasudev
c40bdb56a7 YARN-2194. Fix bug causing CGroups functionality to fail on RHEL7. Contributed by Wei Yan. 2015-07-07 16:59:29 +05:30
Vinayakumar B
99c8c5839b HADOOP-12117. Potential NPE from Configuration#loadProperty with allowNullValueProperties set. (Contributed by zhihai xu) 2015-07-07 16:11:27 +05:30
Colin Patrick Mccabe
81f3644376 HADOOP-11974. Fix FIONREAD #include on Solaris (Alan Burlison via Colin P. McCabe) 2015-07-06 17:17:59 -07:00
Chris Douglas
47a69ec7a5 HADOOP-12185. NetworkTopology is not efficient adding/getting/removing nodes. Contributed by Inigo Goiri 2015-07-06 15:03:22 -07:00
cnauroth
ed1e3ce482 HADOOP-12045. Enable LocalFileSystem#setTimes to change atime. Contributed by Kazuho Fujii. 2015-07-06 13:40:15 -07:00
Vinayakumar B
233cab89ad HADOOP-12186. ActiveStandbyElector shouldn't call monitorLockNodeAsync multiple times (Contributed by zhihai xu) 2015-07-06 15:39:43 +05:30
Chris Douglas
e59f6fad6a HADOOP-12173. NetworkTopology::add calls toString always. Contributed by Inigo Goiri 2015-07-02 21:39:48 -07:00
cnauroth
f3796224bf HADOOP-12172. FsShell mkdir -p makes an unnecessary check for the existence of the parent. Contributed by Chris Nauroth. 2015-07-01 19:47:58 -07:00
Colin Patrick Mccabe
a78d5074fb HADOOP-12171. Shorten overly-long htrace span names for server (cmccabe) 2015-07-01 17:57:11 -07:00
Robert Kanter
aaafa0b2ee HADOOP-12159. Move DistCpUtils#compareFs() to org.apache.hadoop.fs.FileUtil and fix for HA namespaces (rchiang via rkanter) 2015-06-30 16:49:27 -07:00
Colin Patrick Mccabe
ad60807238 HADOOP-12124. Add HTrace support for FsShell (cmccabe) 2015-06-30 16:46:25 -07:00
Colin Patrick Mccabe
68e588cbee HADOOP-10798. globStatus() should always return a sorted list of files (cmccabe) 2015-06-30 16:40:21 -07:00
Gera Shegalov
6f2a41e37d YARN-3768. ArrayIndexOutOfBoundsException with empty environment variables. (Zhihai Xu via gera) 2015-06-30 14:59:33 -07:00
Steve Loughran
076948d9a4 Revert "HADOOP-12009 Clarify FileSystem.listStatus() sorting order & fix FileSystemContractBaseTest:testListStatus. (J.Andreina via stevel)" 
This reverts commit 3dfa8161f9.
 2015-06-30 11:54:12 +01:00
Vinayakumar B
6d99017f38 HADOOP-12154. FileSystem#getUsed() returns the file length only from root '/' (Contributed by J.Andreina) 2015-06-30 15:25:20 +05:30
Ming Ma
8e1bdc17d9 HADOOP-12107. long running apps may have a huge number of StatisticsData instances under FileSystem (Sangjin Lee via Ming Ma) 2015-06-29 14:37:38 -07:00
Colin Patrick Mccabe
fad291ea6d HADOOP-12112. Make hadoop-common-project Native code -Wall-clean (alanburlison via cmccabe) 2015-06-29 12:35:16 -07:00
Vinayakumar B
c815344e2e HADOOP-12119. hadoop fs -expunge does not work for federated namespace (Contributed by J.Andreina) 2015-06-29 15:58:54 +05:30
Steve Loughran
3dfa8161f9 HADOOP-12009 Clarify FileSystem.listStatus() sorting order & fix FileSystemContractBaseTest:testListStatus. (J.Andreina via stevel) 2015-06-28 19:14:00 +01:00
Jonathan Eagles
2236b577a3 HADOOP-11958. MetricsSystemImpl fails to show backtrace when an error occurs (Jason Lowe via jeagles) 2015-06-24 14:51:04 -05:00
Aaron T. Myers
49dfad9429 HDFS-6440. Support more than 2 NameNodes. Contributed by Jesse Yates. 2015-06-23 17:26:11 -07:00
Jason Lowe
077250d8d7 MAPREDUCE-5948. org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well. Contributed by Vinayakumar B, Rushabh Shah, and Akira AJISAKA 2015-06-22 21:59:20 +00:00
Colin Patrick Mccabe
d112d18324 HDFS-8582. Support getting a list of reconfigurable config properties and do not generate spurious reconfig warnings (Lei (Eddy) Xu via Colin P. McCabe) 2015-06-19 19:14:05 -07:00
Yongjun Zhang
49f5d20efe HADOOP-12103. Small refactoring of DelegationTokenAuthenticationFilter to allow code sharing. Contributed by Yongjun Zhang. 2015-06-19 14:06:17 -07:00
Colin Patrick Mccabe
6e0a9f92fe HADOOP-12100. ImmutableFsPermission should not override applyUmask since that method doesn't modify the FsPermission (Bibin A. Chundatt via Colin P. McCabe) 2015-06-18 11:39:05 -07:00
Vinayakumar B
295d678be8 HADOOP-7139. Allow appending to existing SequenceFiles (Contributed by kanaka kumar avvaru) 2015-06-18 14:39:00 +05:30
cnauroth
fbf55dcaf4 HADOOP-12076. Incomplete Cache Mechanism in CredentialProvider API. Contributed by Larry McCay. 2015-06-16 14:44:03 -07:00
Tsz-Wo Nicholas Sze
175e6d120f HDFS-8361. Choose SSD over DISK in block placement. 2015-06-15 17:12:01 -07:00
Vinod Kumar Vavilapalli
722aa1db1f HADOOP-12001. Fixed LdapGroupsMapping to include configurable Posix UID and GID attributes during the search. Contributed by Patrick White. 2015-06-15 14:22:34 -07:00
Vinayakumar B
95c73d49b1 HADOOP-12074. in Shell.java#runCommand() rethrow InterruptedException as InterruptedIOException (Contributed by Lavkesh Lahngir) 2015-06-11 11:51:14 +05:30
Vinayakumar B
48ca23def1 HADOOP-7817. RawLocalFileSystem.append() should give FSDataOutputStream with accurate .getPos() (Contributed by kanaka kumar avvaru) 2015-06-10 11:05:58 +05:30
Kai Zheng
e299fe86b8 HDFS-8557 Allow to configure RS and XOR raw coders. Contributed by Kai Zheng 2015-06-10 15:35:26 +08:00
Arpit Agarwal
3107434031 HADOOP-12078. The default retry policy does not handle RetriableException correctly. (Contributed by Arpit Agarwal) 2015-06-09 20:58:39 -07:00
Xiaoyu Yao
927577c87c HDFS-8552. Fix hdfs CLI usage message for namenode and zkfc. Contributed by Brahma Reddy Battula 2015-06-08 21:57:26 -07:00
Colin Patrick Mccabe
fc2ed4a1f9 HADOOP-11347. RawLocalFileSystem#mkdir and create should honor umask (Varun Saxena via Colin P. McCabe) 2015-06-08 17:49:31 -07:00
Arpit Agarwal
84ba1a75b6 HADOOP-12054. RPC client should not retry for InvalidToken exceptions. (Contributed by Varun Saxena) 2015-06-08 15:45:23 -07:00
cnauroth
0e80d51983 HDFS-8554. TestDatanodeLayoutUpgrade fails on Windows. Contributed by Chris Nauroth. 2015-06-08 08:39:02 -07:00
Kai Zheng
c41b02cc00 HADOOP-12065 Using more meaningful keys in EC schema. Contributed by Kai Zheng 2015-06-08 20:24:17 +08:00
Steve Loughran
18f6809776 HADOOP-12052 IPC client downgrades all exception types to IOE, breaks callers trying to use them. (Brahma Reddy Battula via stevel) 2015-06-08 13:02:56 +01:00
cnauroth
e46cb80002 HADOOP-12055. Deprecate usage of NativeIO#link. Contributed by Andrew Wang. 2015-06-06 09:17:03 -07:00
Jason Lowe
b3ffa87003 MAPREDUCE-6354. ShuffleHandler should be able to log shuffle connections. Contributed by Chang Li 2015-06-05 22:38:31 +00:00
Andrew Wang
bc11e158b1 HADOOP-12056. Use DirectoryStream in DiskChecker#checkDirs to detect errors when listing a directory. Contributed by Zhihai Xu. 2015-06-05 13:52:21 -07:00
Andrew Wang
2dbc40e608 HADOOP-12059. S3Credentials should support use of CredentialProvider. Contributed by Sean Busbey. 2015-06-05 13:11:01 -07:00
Gera Shegalov
9f6d67844d HADOOP-11924. Tolerate JDK-8047340-related exceptions in Shell#isSetSidAvailable preventing class init. (Tsuyoshi Ozawa via gera) 2015-06-04 11:38:28 -07:00
Kai Zheng
0799e1e4b6 HADOOP-12011 Allow to dump verbose information to ease debugging in raw erasure coders. Contributed by Kai Zheng 2015-06-02 22:05:16 +08:00
Andrew Wang
374ddd9f9e HADOOP-12043. Display warning if defaultFs is not set when running fs commands. Contributed by Eddy Xu. 2015-05-29 17:15:58 -07:00
Vinayakumar B
7366e42563 HADOOP-12042. Users may see TrashPolicy if hdfs dfs -rm is run (Contributed by Andreina J) 2015-05-29 16:51:23 +05:30
cnauroth
860b8373c3 HADOOP-11934. Use of JavaKeyStoreProvider in LdapGroupsMapping causes infinite loop. Contributed by Larry McCay. 2015-05-28 15:01:42 -07:00
Allen Wittenauer
ae14543420 HADOOP-12022. fix site -Pdocs -Pdist in hadoop-project-dist; cleanout remaining forrest bits (aw) 2015-05-28 13:24:01 -07:00
Colin Patrick Mccabe
a1140959da HADOOP-11894. Bump the version of Apache HTrace to 3.2.0-incubating (Masatake Iwasaki via Colin P. McCabe) 2015-05-28 12:00:55 -07:00
Colin Patrick Mccabe
246cefa089 HDFS-8429. Avoid stuck threads if there is an error in DomainSocketWatcher that stops the thread. (zhouyingchao via cmccabe) 2015-05-28 11:52:28 -07:00
Allen Wittenauer
08ae87f6ba HADOOP-11983. HADOOP_USER_CLASSPATH_FIRST works the opposite of what it is supposed to do (Sangjin Lee via aw) 2015-05-28 11:29:58 -07:00
Allen Wittenauer
5df1fadf87 HADOOP-7947. Validate XMLs if a relevant tool is available, when using scripts (Kengo Seki via aw) 2015-05-28 11:01:00 -07:00
Allen Wittenauer
5504a261f8 HADOOP-11406. xargs -P is not portable (Kengo Seki via aw) 2015-05-28 10:36:40 -07:00
Allen Wittenauer
bf500d9798 HDFS-5033. Bad error message for fs -put/copyFromLocal if user doesn't have permissions to read the source (Darrell Taylor via aw) 2015-05-27 16:51:34 -07:00
Akira Ajisaka
bb1816328a HADOOP-11242. Record the time of calling in tracing span of IPC server. Contributed by Mastake Iwasaki. 2015-05-27 18:04:40 +09:00
Colin Patrick Mccabe
7dba7005b7 HADOOP-11969. ThreadLocal initialization in several classes is not thread safe (Sean Busbey via Colin P. McCabe) 2015-05-26 12:15:46 -07:00
Kai Zheng
4ad484883f HADOOP-11847 Enhance raw coder allowing to read least required inputs in decoding. Contributed by Kai Zheng 2015-05-26 12:07:16 -07:00
Vinayakumar B
5a391e1d25 HADOOP-12029. Remove chunkSize from ECSchema as its not required for coders (Contributed by Vinayakumar B) 2015-05-26 12:07:16 -07:00
Kai Zheng
b30e96bfb4 HDFS-8382 Remove chunkSize and initialize from erasure coder. Contributed by Kai Zheng 2015-05-26 12:07:15 -07:00
Zhe Zhang
343c0e76fc HADOOP-11938. Enhance ByteBuffer version encode/decode API of raw erasure coder. Contributed by Kai Zheng. 2015-05-26 12:02:31 -07:00
Zhe Zhang
b64f6745a4 HADOOP-11566. Add tests and fix for erasure coders to recover erased parity units. Contributed by Kai Zheng. 2015-05-26 12:02:31 -07:00
Zhe Zhang
09c3a375ba HADOOP-11920. Refactor some codes for erasure coders. Contributed by Kai Zheng. 2015-05-26 12:02:31 -07:00
Jing Zhao
3f2c6938f1 HDFS-8223. Should calculate checksum for parity blocks in DFSStripedOutputStream. Contributed by Yi Liu. 2015-05-26 11:59:54 -07:00
Zhe Zhang
e8df2581c3 HDFS-8156. Add/implement necessary APIs even we just have the system default schema. Contributed by Kai Zheng. 2015-05-26 11:59:53 -07:00
Uma Maheswara Rao G
014d8675c5 HDFS-8024. Erasure Coding: ECworker frame, basics, bootstraping and configuration. (Contributed by Uma Maheswara Rao G) 2015-05-26 11:59:52 -07:00
Tsz-Wo Nicholas Sze
909632dd90 HADOOP-11841. Remove unused ecschema-def.xml files. 2015-05-26 11:59:12 -07:00
Vinayakumar B
ceb3d1c170 HDFS-7349. Support DFS command for the EC encoding (Contributed by Vinayakumar B) 2015-05-26 11:59:11 -07:00
Vinayakumar B
f53e402635 HDFS-8090. Erasure Coding: Add RPC to client-namenode to list all ECSchemas loaded in Namenode. (Contributed by Vinayakumar B) 2015-05-26 11:58:40 -07:00
Kai Zheng
971bd5e885 HADOOP-11818 Minor improvements for erasurecode classes. Contributed by Rakesh R 2015-05-26 11:55:17 -07:00
Kai Zheng
1a37b0fe9a HDFS-8074 Define a system-wide default EC schema. Contributed by Kai Zheng 2015-05-26 11:55:16 -07:00
Vinayakumar B
99502cbbe2 HADOOP-11645. Erasure Codec API covering the essential aspects for an erasure code ( Contributed by Kai Zheng) 2015-05-26 11:55:15 -07:00
Kai Zheng
17f7cdc047 HADOOP-11805 Better to rename some raw erasure coders. Contributed by Kai Zheng 2015-05-26 11:55:14 -07:00
Zhe Zhang
e54a74b566 HADOOP-11740. Combine erasure encoder and decoder interfaces. Contributed by Zhe Zhang. 2015-05-26 11:55:13 -07:00
Kai Zheng
98ea3ec0da HADOOP-11782 Correct two thrown messages in ECSchema class. Contributed by Xinwei Qin 2015-05-26 11:44:47 -07:00
Zhe Zhang
d9af36b9bd HADOOP-11664. Loading predefined EC schemas from configuration. Contributed by Kai Zheng. 2015-05-26 11:43:43 -07:00
Kai Zheng
df297245a7 HADOOP-11647. Reed-Solomon ErasureCoder. Contributed by Kai Zheng 2015-05-26 11:43:41 -07:00
Kai Zheng
90d332d6be HADOOP-11707. Add factory to create raw erasure coder. Contributed by Kai Zheng 2015-05-26 11:43:41 -07:00
Kai Zheng
c3bc083405 HADOOP-11706 Refine a little bit erasure coder API 2015-05-26 11:42:04 -07:00
drankye
292e367d07 HADOOP-11705. Make erasure coder configurable. Contributed by Kai Zheng 2015-05-26 11:32:25 -07:00
Vinayakumar B
8f89d7489d HADOOP-11646. Erasure Coder API for encoding and decoding of block group ( Contributed by Kai Zheng ) 2015-05-26 11:32:25 -07:00
drankye
c0945a8971 HADOOP-11643. Define EC schema API for ErasureCodec. Contributed by Kai Zheng 2015-05-26 11:32:24 -07:00
drankye
dae27f6dd1 HADOOP-11542. Raw Reed-Solomon coder in pure Java. Contributed by Kai Zheng 2015-05-26 11:07:15 -07:00
Kai Zheng
b29f3bde4d HADOOP-11541. Raw XOR coder 2015-05-26 11:03:35 -07:00
Vinayakumar B
9f19eb9fcf HADOOP-11534. Minor improvements for raw erasure coders ( Contributed by Kai Zheng ) 2015-05-26 11:03:35 -07:00
Uma Maheswara Rao G
e50bcea83d HADOOP-11514. Raw Erasure Coder API for concrete encoding and decoding (Kai Zheng via umamahesh) 2015-05-26 11:03:35 -07:00
Akira Ajisaka
56996a685e HADOOP-8751. NPE in Token.toString() when Token is constructed using null identifier. Contributed by kanaka kumar avvaru. 2015-05-26 16:16:21 +09:00
Akira Ajisaka
c7fea088f7 HADOOP-12014. hadoop-config.cmd displays a wrong error message. Contributed by Kengo Seki. 2015-05-22 14:15:08 +09:00
Jakob Homan
4fc942a84f HADOOP-12016. Typo in FileSystem::listStatusIterator. Contributed by Arthur Vigil. 2015-05-21 14:50:03 -07:00
Akira Ajisaka
0e4f1081c7 HADOOP-10366. Add whitespaces between classes for values in core-default.xml to fit better in browser. Contributed by kanaka kumar avvaru. 2015-05-21 17:52:03 +09:00
Haohui Mai
fb6b38d67d HADOOP-11772. RPC Invoker relies on static ClientCache which has synchronized(this) blocks. Contributed by Haohui Mai. 2015-05-20 20:10:50 -07:00
Arun Suresh
fd3cb533d2 HADOOP-11973. Ensure ZkDelegationTokenSecretManager namespace znodes get created with ACLs. (Gregory Chanan via asuresh) 2015-05-19 11:35:57 -07:00
Colin Patrick Mccabe
470c87dbc6 HADOOP-11970. Replace uses of ThreadLocal<Random> with JDK7 ThreadLocalRandom (Sean Busbey via Colin P. McCabe) 2015-05-19 10:50:15 -07:00
Vinayakumar B
d4a2830b63 HADOOP-11103. Clean up RemoteException (Contributed by Sean Busbey) 2015-05-19 14:41:05 +05:30
Akira Ajisaka
3b50dcdce4 HADOOP-10971. Add -C flag to make hadoop fs -ls print filenames only. Contributed by Kengo Seki. 2015-05-19 17:25:27 +09:00
Arpit Agarwal
a2190bf15d HDFS-8345. Storage policy APIs must be exposed via the FileSystem interface. (Arpit Agarwal) 2015-05-18 11:36:29 -07:00
cnauroth
09fe16f166 HADOOP-11713. ViewFileSystem should support snapshot methods. Contributed by Rakesh R. 2015-05-14 14:55:58 -07:00
Vinayakumar B
ffbb574623 HADOOP-10993. Dump java command line to *.out file (Contributed by Kengo Seki) 2015-05-14 15:24:35 +05:30
Vinayakumar B
0daa5ada68 HADOOP-8174. Remove confusing comment in Path#isAbsolute() (Contributed by Suresh Srinivas) 2015-05-14 14:17:36 +05:30
Tsuyoshi Ozawa
4356e8a5ef HADOOP-11361. Fix a race condition in MetricsSourceAdapter.updateJmxCache. Contributed by Brahma Reddy Battula. 2015-05-14 10:20:45 +09:00
Akira Ajisaka
2463666ecb HDFS-6184. Capture NN's thread dump when it fails over. Contributed by Ming Ma. 2015-05-13 11:37:22 +09:00
Haohui Mai
2f4b6d1157 HADOOP-11962. Sasl message with MD5 challenge text shouldn't be LOG out even in debug level. Contributed by Junping Du. 2015-05-12 10:30:32 -07:00
Junping Du
7e543c27fa YARN-3587. Fix the javadoc of DelegationTokenSecretManager in yarn, etc. projects. Contributed by Gabor Liptak. 2015-05-11 05:27:07 -07:00
Jason Lowe
ec2748dedb HADOOP-9729. The example code of org.apache.hadoop.util.Tool is incorrect. Contributed by hellojinjie 2015-05-08 21:28:38 +00:00
Jason Lowe
c4bd2cdded HADOOP-7165. listLocatedStatus(path, filter) is not redefined in FilterFs. Contributed by Hairong Kuang 2015-05-08 20:36:07 +00:00
Colin Patrick Mccabe
8f7c2364d7 HDFS-8284. Update documentation about how to use HTrace with HDFS (Masatake Iwasaki via Colin P. McCabe) 2015-05-08 12:30:03 -07:00
Arpit Agarwal
a0fae8dcae HADOOP-10356. Corrections in winutils/chmod.c (Contributed by René Nyffenegger) 2015-05-08 11:42:50 -07:00
cnauroth
26f61d41df HDFS-5640. Add snapshot methods to FileContext. Contributed by Rakesh R. 2015-05-08 11:20:55 -07:00
Robert (Bobby) Evans
cc17c83585 HADOOP-6842. "hadoop fs -text" does not give a useful text representation of MapWritable objects 2015-05-08 11:57:14 -05:00
Vinayakumar B
1ffb7fa42e HADOOP-11877. SnappyDecompressor's Logger class name is wrong ( Contributed by surendra singh lilhore) 2015-05-08 16:52:14 +05:30
Colin Patrick Mccabe
90b3845648 HADOOP-11912. Extra configuration key used in TraceUtils should respect prefix (Masatake Iwasaki via Colin P. McCabe) 2015-05-05 17:40:31 -07:00
Andrew Wang
05adc76ace HADOOP-11120. hadoop fs -rmr gives wrong advice. Contributed by Juliet Houghland. 2015-05-05 08:37:37 -07:00
Wangda Tan
71f4de220c YARN-3375. NodeHealthScriptRunner.shouldRun() check is performing 3 times for starting NodeHealthScriptRunner (Devaraj K via wangda) 2015-05-04 15:49:19 -07:00
Tsuyoshi Ozawa
bb9ddef0e7 HADOOP-11328. ZKFailoverController does not log Exception when doRun raises errors. Contributed by Tianyin Xu. 2015-05-04 17:47:37 +09:00
Tsuyoshi Ozawa
76fa606e2d HADOOP-9658. SnappyCodec#checkNativeCodeLoaded may unexpectedly fail when native code is not loaded. Contributed by Zhijie Shen. 2015-05-04 17:05:00 +09:00
Gera Shegalov
f343f8657e HADOOP-11491. HarFs incorrectly declared as requiring an authority. (Brahma Reddy Battula via gera) 2015-05-01 18:18:55 -07:00
Wangda Tan
7d46a806e7 YARN-3006. Improve the error message when attempting manual failover with auto-failover enabled. (Akira AJISAKA via wangda) 2015-05-01 16:40:55 -07:00
Colin Patrick Mccabe
b82567d455 HDFS-8213. DFSClient should use hdfs.client.htrace HTrace configuration prefix rather than hadoop.htrace (cmccabe) 2015-05-01 11:19:40 -07:00
Arun Suresh
f0db797be2 HADOOP-11891. OsSecureRandom should lazily fill its reservoir (asuresh) 2015-04-30 13:59:43 -07:00
Akira Ajisaka
e89fc53a1d HDFS-5574. Remove buffer copy in BlockReader.skip. Contributed by Binglin Chang. 2015-04-30 19:11:22 +09:00
Jing Zhao
7947e5b53b HDFS-8283. DataStreamer cleanup and some minor improvement. Contributed by Tsz Wo Nicholas Sze. 2015-04-29 10:41:46 -07:00
Arpit Agarwal
0d5b0143cc HDFS-8205. CommandFormat#parse() should not parse option as value of option. (Contributed by Peter Shi and Xiaoyu Yao) 2015-04-27 12:23:34 -07:00
Jakob Homan
1a2459bd4b HADOOP-11857. Fix CommandFormat#commandFormat java doc annotation. Contributed by J.Andreina. 2015-04-26 18:35:01 -07:00
Colin Patrick Mccabe
a0e0a63209 HADOOP-11802. DomainSocketWatcher thread terminates sometimes after there is an I/O error during requestShortCircuitShm (cmccabe) 2015-04-23 19:00:24 -07:00
Haohui Mai
bcf89ddc7d HDFS-8052. Move WebHdfsFileSystem into hadoop-hdfs-client. Contributed by Haohui Mai. 2015-04-23 17:33:45 -07:00
Akira Ajisaka
ac281e3fc8 HADOOP-11627. Remove io.native.lib.available. Contributed by Brahma Reddy Battula. 2015-04-24 08:08:55 +09:00
Andrew Wang
26971e52ae HADOOP-11852. Disable symlinks in trunk. 2015-04-23 11:47:01 -07:00
Arpit Agarwal
49f6e3d35e HADOOP-10597. RPC Server signals backoff to clients when all request queues are full. (Contributed by Ming Ma) 2015-04-23 09:35:04 -07:00
Jakob Homan
e54a3e1f4f HADOOP-11850: Typos in hadoop-common java docs. Contributed by Surendra Singh Lilhore. 2015-04-22 13:48:16 -07:00
Colin Patrick Mccabe
a3b1d8c902 HADOOP-11848. Incorrect arguments to sizeof in DomainSocket.c (Malcolm Kavalsky via Colin P. McCabe) 2015-04-22 12:36:37 -07:00
Gera Shegalov
6d2cf9fbbd HADOOP-11812. Implement listLocatedStatus for ViewFileSystem to speed up split calculation (gera) 2015-04-21 13:57:23 -07:00
Arun Suresh
424a00daa0 HADOOP-11704. DelegationTokenAuthenticationFilter must pass ipaddress instead of hostname to ProxyUsers#authorize (Anubhav Dhoot via asuresh) 2015-04-21 11:31:51 -07:00
Arpit Agarwal
dfc1c4c303 HDFS-8163. Using monotonicNow for block report scheduling causes test failures on recently restarted systems. (Arpit Agarwal) 2015-04-21 10:58:05 -07:00
Arpit Agarwal
c92f6f3605 HDFS-8179. DFSClient#getServerDefaults returns null within 1 hour of system start. (Contributed by Xiaoyu Yao) 2015-04-20 15:42:42 -07:00
Allen Wittenauer
d4e8c09593 HADOOP-9642. Configuration to resolve environment variables via ${env.VARIABLE} references (Kengo Seki via aw) 2015-04-14 08:20:13 +02:00
Arpit Agarwal
18a3dad44a HDFS-7701. Support reporting per storage type quota and usage with hadoop/hdfs shell. (Contributed by Peter Shi) 2015-04-13 21:01:15 -07:00
Haohui Mai
63c659ddd0 HADOOP-11815. HttpServer2 should destroy SignerSecretProvider when it stops. Contributed by Rohith. 2015-04-09 10:58:12 -07:00
Wangda Tan
bad070fe15 YARN-2901. Add errors and warning metrics page to RM, NM web UI. (Varun Vasudev via wangda) 2015-04-02 17:23:20 -07:00
cnauroth
5763b173d3 HADOOP-9805. Refactor RawLocalFileSystem#rename for improved testability. Contributed by Jean-Pierre Matsumoto. 2015-04-02 16:13:00 -07:00
Colin Patrick Mccabe
c94d594a57 HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than DFSOutputStream#writeChunk (cmccabe) 2015-04-01 14:10:10 -07:00
cnauroth
a3a96a07fa HADOOP-11787. OpensslSecureRandom.c pthread_threadid_np usage signature is wrong on 32-bit Mac. Contributed by Kiran Kumar M R. 2015-04-01 11:40:09 -07:00
Colin Patrick Mccabe
d9ac5ee2c4 HADOOP-11660. Add support for hardware crc of HDFS checksums on ARM aarch64 architecture (Edward Nevill via Colin P. McCabe) 2015-03-30 13:55:02 -07:00
Haohui Mai
90e07d55ac HADOOP-11754. RM fails to start in non-secure mode due to authentication filter failure. Contributed by Haohui Mai. 2015-03-30 11:44:22 -07:00
cnauroth
3836ad6c0b HADOOP-11639. Clean up Windows native code compilation warnings related to Windows Secure Container Executor. Contributed by Remus Rusanu. 2015-03-27 15:03:41 -07:00
cnauroth
af618f23a7 HADOOP-11691. X86 build of libwinutils is broken. Contributed by Kiran Kumar M R. 2015-03-26 21:56:31 -07:00
Allen Wittenauer
b30ca8ce0e HADOOP-11553. Foramlize the shell API (aw) 2015-03-26 15:09:51 -07:00
Arpit Agarwal
3d0708bdb0 HDFS-7824. GetContentSummary API and its namenode implementation for Storage Type Quota/Usage. (Contributed by Xiaoyu Yao) 2015-03-26 10:24:11 -07:00
Harsh J
b4b4fe9056 HADOOP-11719.[Fsshell] Remove bin/hadoop reference from GenericOptionsParser default help text. Contributed by Brahma Reddy Battula. 2015-03-26 11:29:54 +05:30
cnauroth
4528eb9fb2 HADOOP-11524. hadoop_do_classpath_subcommand throws a shellcheck warning. Contributed by Chris Nauroth. 2015-03-25 22:36:09 -07:00
Haohui Mai
e4b8d9e72d HADOOP-10670. Allow AuthenticationFilters to load secret from signature secret files. Contributed by Kai Zheng. 2015-03-25 11:12:42 -07:00
Tsuyoshi Ozawa
b351086ff6 HADOOP-11014. Potential resource leak in JavaKeyStoreProvider due to unclosed stream. (ozawa) 2015-03-25 16:59:40 +09:00
Tsuyoshi Ozawa
5582b0f1d4 HADOOP-11741. Add LOG.isDebugEnabled() guard for some LOG.debug(). Contributed by Walter Su. 2015-03-25 16:36:10 +09:00
Tsuyoshi Ozawa
6e891a921e HADOOP-11609. Correct credential commands info in CommandsManual.html#credential. Contributed by Varun Saxena. 2015-03-24 20:57:39 +09:00
Karthik Kambatla
fe5c23b670 HADOOP-11447. Add a more meaningful toString method to SampleStat and MutableStat. (kasha) 2015-03-20 17:03:03 -07:00
Tsuyoshi Ozawa
43dde502b3 HADOOP-11709. Time.NANOSECONDS_PER_MILLISECOND - use class-level final constant instead of method variable. Contributed by Ajith S. 2015-03-21 00:54:20 +09:00
Haohui Mai
19b298f612 HADOOP-10703. HttpServer2 creates multiple authentication filters. Contributed by Benoy Antony. 2015-03-18 22:31:59 -07:00
Akira Ajisaka
34117325b2 HADOOP-11659. o.a.h.FileSystem.Cache#remove should use a single hash map lookup. Contributed by Brahma Reddy Battula. 2015-03-18 15:43:10 +09:00
Aaron T. Myers
fc90bf7b27 HADOOP-11722. Some Instances of Services using ZKDelegationTokenSecretManager go down when old token cannot be deleted. Contributed by Arun Suresh. 2015-03-17 19:41:36 -07:00
cnauroth
72cd4e4a4e HADOOP-11638. OpensslSecureRandom.c pthreads_thread_id should support FreeBSD and Solaris in addition to Linux. Contributed by Kiran Kumar M R. 2015-03-16 14:04:40 -07:00
Colin Patrick Mccabe
bf3275dbaa HADOOP-11714. Add more trace log4j messages to SpanReceiverHost (cmccabe) 2015-03-16 12:02:10 -07:00
Andrew Wang
387f271c81 HADOOP-11711. Provide a default value for AES/CTR/NoPadding CryptoCodec classes. 2015-03-12 21:40:58 -07:00
yliu
a85291003c HADOOP-11710. Make CryptoOutputStream behave like DFSOutputStream wrt synchronization. (Sean Busbey via yliu) 2015-03-13 02:25:02 +08:00
Yongjun Zhang
8212877415 HADOOP-9477. Add posixGroups support for LDAP groups mapping service. (Dapeng Sun via Yongjun Zhang) 2015-03-12 14:52:36 -07:00
cnauroth
ff83ae7231 HADOOP-10027. *Compressor_deflateBytesDirect passes instance instead of jclass to GetStaticObjectField. Contributed by Hui Zheng. 2015-03-11 23:27:49 -07:00
Gera Shegalov
64eb068ee8 DelegateToFileSystem erroneously uses default FS's port in constructor. (Brahma Reddy Battula via gera) 2015-03-10 13:52:06 -07:00
cnauroth
8d5b01e005 Revert "HADOOP-11638. OpensslSecureRandom.c pthreads_thread_id should support FreeBSD and Solaris in addition to Linux (Kiran Kumar M R via Colin P. McCabe)" 
This reverts commit 3241fc2b17.
 2015-03-10 11:02:07 -07:00
Allen Wittenauer
7711049837 HADOOP-11668. hadoop-daemons.sh bw compat broke with --slaves change (Vinayakumar B via aw) 2015-03-09 22:31:50 -07:00
Tsuyoshi Ozawa
54639c7d7a HADOOP-11226. Add a configuration to set ipc.Client's traffic class with IPTOS_LOWDELAY|IPTOS_RELIABILITY. Contributed by Gopal V. 2015-03-10 13:08:29 +09:00
Colin Patrick Mccabe
3241fc2b17 HADOOP-11638. OpensslSecureRandom.c pthreads_thread_id should support FreeBSD and Solaris in addition to Linux (Kiran Kumar M R via Colin P. McCabe) 2015-03-09 12:56:33 -07:00
Yongjun Zhang
de1101cb5b HADOOP-11692. Improve authentication failure WARN message to avoid user confusion. Contributed by Yongjun Zhang. 2015-03-09 11:55:32 -07:00
Yongjun Zhang
5578e22ce9 Revert "HDFS-7857. Improve authentication failure WARN message to avoid user confusion. Contributed by Yongjun Zhang." 
This reverts commit d799fbe1cc.
 2015-03-08 20:54:43 -07:00
Yongjun Zhang
d799fbe1cc HDFS-7857. Improve authentication failure WARN message to avoid user confusion. Contributed by Yongjun Zhang. 2015-03-08 20:39:46 -07:00
Jian He
21101c01f2 YARN-2190. Added CPU and memory limit options to the default container executor for Windows containers. Contributed by Chuan Liu 2015-03-06 14:18:11 -08:00
Allen Wittenauer
01bfe6f05b HADOOP-11653. shellprofiles should require .sh extension (Brahma Reddy Battula via aw) 2015-03-06 13:54:11 -08:00
yliu
5e9b8144d5 HADOOP-11674. oneByteBuf in CryptoInputStream and CryptoOutputStream should be non static. (Sean Busbey via yliu) 2015-03-05 06:38:45 +08:00
Tsuyoshi Ozawa
74a4754d1c HADOOP-11648. Set DomainSocketWatcher thread name explicitly. Contributed by Liang Xie. 2015-03-05 16:05:44 +09:00
Steve Loughran
15b7076ad5 HADOOP-11183. Memory-based S3AOutputstream. (Thomas Demoor via stevel) 2015-03-03 16:18:51 -08:00
Tsuyoshi Ozawa
d1c6accb6f HADOOP-11602. Fix toUpperCase/toLowerCase to use Locale.ENGLISH. (ozawa) 2015-03-03 14:17:52 +09:00
Gera Shegalov
b18d3830ac HADOOP-11605. FilterFileSystem#create with ChecksumOpt should propagate it to wrapped FS. (gera) 2015-03-02 18:09:23 -08:00
Akira Ajisaka
ca1c00bf81 HADOOP-11658. Externalize io.compression.codecs property. Contributed by Kai Zheng. 2015-03-02 01:12:44 -08:00
Akira Ajisaka
30e73ebc77 HADOOP-11657. Align the output of hadoop fs -du to be more Unix-like. (aajisaka) 2015-03-01 21:09:15 -08:00
Tsuyoshi Ozawa
48c7ee7553 HADOOP-11569. Provide Merge API for MapFile to merge multiple similar MapFiles to one MapFile. Contributed by Vinayakumar B. 2015-02-27 17:46:07 +09:00
cnauroth
2214dab60f HADOOP-9922. hadoop windows native build will fail in 32 bit machine. Contributed by Kiran Kumar M R. 2015-02-26 12:41:33 -08:00
Allen Wittenauer
dce8b9c4d0 HADOOP-11637. bash location hard-coded in shell scripts (aw) 2015-02-26 09:29:16 -08:00
Andrew Wang
71385f9b70 HADOOP-11620. Add support for load balancing across a group of KMS for HA. Contributed by Arun Suresh. 2015-02-25 21:16:37 -08:00
Tsuyoshi Ozawa
ad8ed3e802 HADOOP-11632. Cleanup Find.java to remove SupressWarnings annotations. Contributed by Akira AJISAKA. 2015-02-25 16:25:04 +09:00
Allen Wittenauer
d4ac6822e1 YARN-2980. Move health check script related functionality to hadoop-common (Varun Saxena via aw) 2015-02-24 11:25:26 -08:00
Tsuyoshi Ozawa
9cedad11d8 Revert "HADOOP-11602. Fix toUpperCase/toLowerCase to use Locale.ENGLISH. (ozawa)" 
This reverts commit 946456c6d8.

Conflicts:
	hadoop-common-project/hadoop-common/CHANGES.txt
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/QuotaByStorageTypeEntry.java
 2015-02-25 00:32:04 +09:00
Gera Shegalov
1dba57271f HADOOP-11619. FTPFileSystem should override getDefaultPort. (Brahma Reddy Battula via gera) 2015-02-23 21:05:59 -08:00
Akira Ajisaka
ab5976161f HADOOP-8642. Document that io.native.lib.available only controls native bz2 and zlib compression codecs. (aajisaka) 2015-02-23 17:34:43 -08:00
cnauroth
769507bd7a HDFS-7009. Active NN and standby NN have different live nodes. Contributed by Ming Ma. 2015-02-23 15:12:27 -08:00
Arpit Agarwal
8b465b4b8c HDFS-7806. Refactor: move StorageType from hadoop-hdfs to hadoop-common. (Contributed by Xiaoyu Yao) 2015-02-21 15:38:35 -08:00
Robert Kanter
6f0133039a HADOOP-11612. Workaround for Curator's ChildReaper requiring Guava 15+. (rkanter) 2015-02-20 19:47:28 -08:00
cnauroth
3c5ff0759c HADOOP-11604. Prevent ConcurrentModificationException while closing domain sockets during shutdown of DomainSocketWatcher thread. Contributed by Chris Nauroth. 2015-02-20 13:07:16 -08:00
Jason Lowe
f0f2992686 HADOOP-9087. Queue size metric for metric sinks isn't actually maintained. Contributed by Akira AJISAKA 2015-02-19 17:30:07 +00:00
yliu
64a8375635 HADOOP-11595. Add default implementation for AbstractFileSystem#truncate. (yliu) 2015-02-19 08:26:42 +08:00
Tsuyoshi Ozawa
946456c6d8 HADOOP-11602. Fix toUpperCase/toLowerCase to use Locale.ENGLISH. (ozawa) 2015-02-19 13:06:53 +09:00
Akira Ajisaka
1714609919 HADOOP-11545. ArrayIndexOutOfBoundsException is thrown with "hadoop credential list -provider". Contributed by Brahma Reddy Battula. 2015-02-18 11:17:10 -08:00
Tsuyoshi Ozawa
3f56a4cb0c HADOOP-11599. Client#getTimeout should use IPC_CLIENT_PING_DEFAULT when IPC_CLIENT_PING_KEY is not configured. Contributed by zhihai xu. 2015-02-18 17:35:11 +09:00
Kihwal Lee
685af8a3d0 HADOOP-11295. RPC Server Reader thread can't shutdown if RPCCallQueue is full. Contributed by Ming Ma. 2015-02-17 17:14:58 -06:00
Steve Loughran
00b80958d8 HADOOP-11521. Make connection timeout configurable in s3a. (Thomas Demoor via stevel) 2015-02-17 20:06:27 +00:00
Steve Loughran
78a7e8d3a6 HADOOP-11522. Update S3A Documentation. (Thomas Demoor via stevel) 2015-02-17 18:15:02 +00:00
Allen Wittenauer
72389c78db HADOOP-11575. Daemon log documentation is misleading (Naganarasimha G R via aw) 2015-02-17 07:00:00 -10:00
Tsuyoshi Ozawa
2f0f756b26 HADOOP-11600. Fix up source codes to be compiled with Guava 17.0. (ozawa) 2015-02-17 21:56:20 +09:00
Vinayakumar B
cf4b7f506d HADOOP-11000. HAServiceProtocol's health state is incorrectly transitioned to SERVICE_NOT_RESPONDING (Contributed by Ming Ma) 2015-02-17 14:55:56 +05:30
Tsuyoshi Ozawa
ef950ea1c0 HADOOP-11589. NetUtils.createSocketAddr should trim the input URI. Contributed by Rakesh R. 2015-02-15 00:30:46 +09:00
Tsuyoshi Ozawa
b7d48286a9 Rvert "HADOOP-11589. NetUtils.createSocketAddr should trim the input URI. Contributed by Rakesh R." 
This reverts commit 965ce9e24e.
 2015-02-15 00:28:59 +09:00
Tsuyoshi Ozawa
965ce9e24e HADOOP-11589. NetUtils.createSocketAddr should trim the input URI. Contributed by Rakesh R. 2015-02-15 00:13:10 +09:00
Xuan
253035491c YARN-3164. RMAdmin command usage prints incorrect command name. 
Contributed by Bibin A Chundatt
 2015-02-12 21:39:16 -08:00
Allen Wittenauer
93b941c637 HADOOP-11565. Add --slaves shell option (aw) 2015-02-12 18:01:28 -08:00
Akira Ajisaka
9395c76697 HADOOP-9869. Configuration.getSocketAddr()/getEnum() should use getTrimmed(). Contributed by Tsuyoshi Ozawa. 2015-02-12 15:50:48 -08:00
Akira Ajisaka
11d8934463 HADOOP-11586. Update use of Iterator to Iterable in AbstractMetricsContext.java. Contributed by Ray Chiang. 2015-02-12 14:41:03 -08:00
Allen Wittenauer
58cb9f5293 HDFS-7322. deprecate sbin/hadoop-daemon.sh (aw) 2015-02-12 11:51:35 -08:00
Colin Patrick Mccabe
6b39ad0865 HDFS-7694. FSDataInputStream should support "unbuffer" (cmccabe) 2015-02-12 10:40:46 -08:00
cnauroth
67efab935e HADOOP-10140. Specification of HADOOP_CONF_DIR via the environment in hadoop_config.cmd. Contributed by Kiran Kumar M R. 2015-02-11 16:36:09 -08:00
Allen Wittenauer
b015fec601 HADOOP-11581. Multithreaded correctness Warnings #org.apache.hadoop.fs.shell.Ls (Brahma Reddy Battula via aw) 2015-02-11 07:49:05 -08:00
Allen Wittenauer
cfd8a2174a HADOOP-11554. Expose HadoopKerberosName as a hadoop subcommand (aw) 2015-02-11 07:40:39 -08:00
Steve Loughran
c3da2db48f YARN-2683. [YARN-913] registry config options: document and move to core-default. (stevel) 2015-02-11 14:26:37 +00:00
Colin Patrick Mccabe
6338ce3ae8 HADOOP-10953. NetworkTopology#add calls NetworkTopology#toString without holding the netlock (Liang Xie via Colin P. McCabe) 2015-02-10 13:24:40 -08:00
Harsh J
e0ec0718d0 HADOOP-11512. Use getTrimmedStrings when reading serialization keys. Contributed by Ryan P. 2015-02-10 12:51:56 +05:30
yliu
1b56d1ce32 HADOOP-11510. Expose truncate API via FileContext. (yliu) 2015-02-10 01:45:29 +08:00
Allen Wittenauer
30b797ee9d HADOOP-8934. Shell command ls should include sort options (Jonathan Allen via aw) 2015-02-09 12:50:44 -08:00
Arpit Agarwal
ab934e8594 HDFS-7647. DatanodeManager.sortLocatedBlocks sorts DatanodeInfos but not StorageIDs. (Contributed by Milan Desai) 2015-02-09 12:17:40 -08:00
Allen Wittenauer
5c79439568 HADOOP-11485. Pluggable shell integration (aw) 2015-02-06 13:09:01 -08:00
Gera Shegalov
644548f201 HADOOP-11506. Configuration variable expansion regex expensive for long values. (Gera Shegalov via gera) 2015-02-06 00:27:54 -08:00
yliu
7b10ef0c3b HDFS-7741. Remove unnecessary synchronized in FSDataInputStream and HdfsDataInputStream. (yliu) 2015-02-06 06:31:03 +08:00
Allen Wittenauer
af3aadf04f HADOOP-6964. Allow compact property description in xml (Kengo Seki via aw) 2015-02-05 19:09:37 -08:00
cnauroth
6583ad148b HADOOP-11526. Memory leak in Bzip2Compressor and Bzip2Decompressor. Contributed by Anu Engineer. 2015-02-05 16:55:20 -08:00
Allen Wittenauer
276485e1de HADOOP-9044. add FindClass main class to provide classpath checking of installations (Steve Loughran via aw) 2015-02-05 11:31:56 -08:00
Allen Wittenauer
fb06c00837 HADOOP-7713. dfs -count -q should label output column (Jonathan Allen via aw) 2015-02-05 07:44:49 -08:00
Tsuyoshi Ozawa
ec950be173 HADOOP-11543. Improve help message for hadoop/yarn command. Contributed by Brahma Reddy Battula. 2015-02-05 15:49:36 +09:00
Junping Du
0b567f4246 HADOOP-10062. race condition in MetricsSystemImpl#publishMetricsNow that causes incorrect results. (Contributed by Sangjin Lee) 2015-02-04 19:10:52 -08:00
Allen Wittenauer
43d5caef5e HADOOP-11460. Deprecate shell vars (John Smith via aw) 2015-02-04 16:35:50 -08:00
Karthik Kambatla
55235d28c3 HADOOP-11492. Bump up curator version to 2.7.1. (Arun Suresh and Karthik Kambatla via kasha) 2015-02-04 13:05:11 -08:00
cnauroth
a35e86c670 HADOOP-11547. hadoop-common native compilation fails on Windows due to missing support for __attribute__ declaration. Contributed by Chris Nauroth. 2015-02-04 12:07:05 -08:00
Andrew Wang
9175105eea HDFS-7734. Class cast exception in NameNode#main. Contributed by Yi Liu. 2015-02-04 11:31:38 -08:00
Akira Ajisaka
42548f4dc2 HADOOP-11544. Remove unused configuration keys for tracing. Contributed by Masatake Iwasaki. 2015-02-04 04:18:17 -08:00
cnauroth
8004a00230 HADOOP-10181. GangliaContext does not work with multicast ganglia setup. Contributed by Andrew Johnson. 2015-02-02 11:09:09 -08:00
Benoy Antony
3472e3bd6c HADOOP-11494. Lock acquisition on WrappedInputStream#unwrappedRpcBuffer may race with another thread. Contributed by Ted Yu. 2015-02-02 10:34:47 -08:00
Harsh J
ffc75d6ebe HADOOP-11488. Difference in default connection timeout for S3A FS. Contributed by Daisuke Kobayashi. 2015-02-01 00:17:04 +05:30
Gera Shegalov
26c2de36e2 HADOOP-11432. Fix SymlinkBaseTest#testCreateLinkUsingPartQualPath2. (Liang Xie via gera) 2015-01-30 18:40:40 -08:00
Colin Patrick Mccabe
09ad9a868a HADOOP-11498. Bump the version of HTrace to 3.1.0-incubating (Masatake Iwasaki via Colin P. McCabe) 2015-01-30 16:01:59 -08:00
Kihwal Lee
8dc59cb9e0 HADOOP-9137. Support connection limiting in IPC server. Contributed by Kihwal Lee. 2015-01-30 17:21:36 -06:00
Colin Patrick Mccabe
e36ef3b402 HADOOP-11403. Avoid using sys_errlist on Solaris, which lacks support for it (Malcolm Kavalsky via Colin P. McCabe) 2015-01-29 15:43:57 -08:00
Akira Ajisaka
03a5e04d5b HADOOP-10525. Remove DRFA.MaxBackupIndex config from log4j.properties (aajisaka) 2015-01-29 16:13:59 +09:00
Tsuyoshi Ozawa
9850e1584b HADOOP-11316. "mvn package -Pdist,docs -DskipTests -Dtar" fails because of non-ascii characters. (ozawa) 2015-01-28 22:01:16 +09:00
Aaron T. Myers
8bf6f0b703 HADOOP-10626. Limit Returning Attributes for LDAP search. Contributed by Jason Hubbard. 2015-01-27 13:53:35 -08:00
Jing Zhao
2848db814a HDFS-3689. Add support for variable length block. Contributed by Jing Zhao. 2015-01-27 12:58:10 -08:00
Xuan
0bf333911c HADOOP-11509. Change parsing sequence in GenericOptionsParser to parse 
-D parameters before -files. Contributed by Xuan Gong
 2015-01-26 15:35:35 -08:00