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3816 Commits

Author SHA1 Message Date
Mingliang Liu cdb0cafff5
HADOOP-16735. Make it clearer in config default that EnvironmentVariableCredentialsProvider supports AWS_SESSION_TOKEN. Contributed by Mingliang Liu 
This closes #1733
 2019-12-05 17:56:02 -08:00
Erik Krogen 0ac6dc79b0 HADOOP-16700. Track response time separately in Server.Call to avoid negative RpcQueueTime values. Contributed by xuzq. 
(cherry picked from be77231452)
(cherry picked from c1ed247459)
(cherry picked from 23f25418e8)
 2019-12-03 14:19:27 -08:00
Yiqun Lin fc2cdb6cca HDFS-14986. ReplicaCachingGetSpaceUsed throws ConcurrentModificationException. Contributed by Aiphago. 
(cherry picked from commit 2b452b4e60)
 2019-11-28 10:45:25 +08:00
Chen Liang 238781ab98 HDFS-14991. Backport better time precision of configuration#getTimeDuration to branch-2 to support SBN read. Contributed by Chen Liang. 2019-11-18 20:26:27 -08:00
Akira Ajisaka 81060b3413
HADOOP-15097. AbstractContractDeleteTest::testDeleteNonEmptyDirRecursive with misleading path. Contributed by Xieming Li. 
(cherry picked from commit 92c28c100e)
 2019-11-15 13:53:39 +09:00
Chen Liang db887f66d8 HDFS-14941. Potential editlog race condition can cause corrupted file. Contributed by Chen Liang and Konstantin Shvachko. 2019-11-06 15:47:57 -08:00
Duo Zhang e649b30b32 HADOOP-16598. Backport "HADOOP-16558 [COMMON+HDFS] use protobuf-maven-plugin to generate protobuf classes" to all active branches 
Reapply but this time with proper patch.

Signed-off-by: stack <stack@apache.org>
 2019-11-01 09:22:23 -07:00
stack e880347d53 Revert "HADOOP-16598. Backport "HADOOP-16558 [COMMON+HDFS] use protobuf-maven-plugin to generate protobuf classes" to all active branches" 
Wrong patch applied; missed jdk7 handling

This reverts commit a36dbe6f35.
 2019-11-01 09:21:33 -07:00
Jonathan Hung fab62a145d Add 2.10.0 release notes for HDFS-12943 
(cherry picked from commit ef9d12df24)
(cherry picked from commit 9ccfc2d6d3)
(cherry picked from commit f29481f046)
 2019-10-31 20:35:49 -07:00
Duo Zhang a36dbe6f35 HADOOP-16598. Backport "HADOOP-16558 [COMMON+HDFS] use protobuf-maven-plugin to generate protobuf classes" to all active branches 
Signed-off-by: stack <stack@apache.org>
 2019-10-30 22:33:51 -07:00
Jonathan Hung 915b795358 Make upstream aware of 2.10.0 release 
(cherry picked from commit 7663db59c097c82eeed2df7a91168a4d7123c96b)
(cherry picked from commit 5d2ffcc7aa)
(cherry picked from commit 4d274f60bc)
 2019-10-30 21:01:40 -07:00
Jonathan Hung 339ab2347d HDFS-14667. Backport [HDFS-14403] "Cost-based FairCallQueue" to branch-2. Contributed by Erik Krogen 2019-10-22 11:46:25 -07:00
Ayush Saxena c78eb006f9 HADOOP-16662. Remove unnecessary InnerNode check in NetworkTopology#add(). Contributed by Lisheng Sun. 2019-10-20 11:58:30 +05:30
Jonathan Hung 108127238b Preparing for 2.11.0 development 2019-10-15 10:01:45 -07:00
Erik Krogen 8337d1a489 HDFS-14162. [SBN read] Allow Balancer to work with Observer node. Add a new ProxyCombiner allowing for multiple related protocols to be combined. Allow AlignmentContext to be passed in NameNodeProxyFactory. Contributed by Erik Krogen. 2019-10-10 09:07:18 -07:00
Jonathan Hung ab7181e9af YARN-9760. Support configuring application priorities on a workflow level. Contributed by Varun Saxena 2019-10-08 11:19:39 -07:00
Jonathan Hung 842b306b76 HADOOP-16588. Update commons-beanutils version to 1.9.4 in branch-2. Contributed by Wei-Chiu Chuang and Jonathan Hung. 
Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>
 2019-10-03 13:09:43 +09:00
Erik Krogen 0050f4363e HADOOP-16581. Addendum: Remove use of Java 8 functionality. Contributed by Masatake Iwasaki. 2019-09-23 08:06:27 -07:00
Yuval Degani 44193ede8d HADOOP-16581. Revise ValueQueue to correctly replenish queues that go below the watermark (#1463) 
(cherry picked from dd0834696a)
(cherry picked from e31594f20e)
(cherry picked from b091abc471)
 2019-09-20 09:59:14 -07:00
Kihwal Lee ca93156cc5 HADOOP-16582. LocalFileSystem's mkdirs() does not work as expected under viewfs. Contributed by Kihwal Lee 
(cherry picked from commit d4205dce17)
 2019-09-19 08:27:23 -05:00
Wei-Chiu Chuang ac1924896a HDFS-14569. Result of crypto -listZones is not formatted properly. Contributed by hemanthboyina. 
(cherry picked from 0f2dad6679)
(cherry picked from 9c9920897d)
(cherry picked from 6af1ecc8e4)
 2019-09-18 10:31:33 -07:00
Masatake Iwasaki 3ded8ece6b HADOOP-16439. Upgrade bundled Tomcat in branch-2. 
Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>
 2019-09-04 17:26:33 +09:00
Chen Liang 1ff68d0e47 HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang 2019-09-03 17:18:41 -07:00
Chen Liang 163cb4d5ae HDFS-13699. Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP. Contributed by Chen Liang. 2019-09-03 17:11:29 -07:00
Chen Liang e63619a6dd HDFS-13617. Allow wrapping NN QOP into token in encrypted message. Contributed by Chen Liang 2019-09-03 17:11:29 -07:00
Chen Liang a06e35a197 HDFS-13566. Add configurable additional RPC listener to NameNode. Contributed by Chen Liang. 2019-09-03 17:11:28 -07:00
Chen Liang 94d71ba3b2 HDFS-13547. Add ingress port based sasl resolver. Contributed by Chen Liang. 2019-09-03 17:11:28 -07:00
Masatake Iwasaki 670de354b3 HDFS-14423. Percent (%) and plus (+) characters no longer work in WebHDFS. 
Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>
(cherry picked from commit da0006fe04)

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java

(cherry picked from commit d7ca016d63)

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
	hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsUrl.java
 2019-08-14 12:35:14 +09:00
Christopher Gregorian 99cd181a78 HADOOP-16459. Backport of HADOOP-16266. Add more fine-grained processing time metrics to the RPC layer. Contributed by Christopher Gregorian. 
This commit also includes the follow-on commit 827a84778a.

(cherry-picked from f96a2df38d)
(cherry-picked from d4492bdd9e)
(cherry-picked from 7b8f08f59e)
(cherry picked from ec00431eaa)
 2019-08-13 14:28:18 -07:00
Chen Liang 097710131a [SBN read] Addendum: Misc fix of issues, javadoc, whitespace unused backported fields etc 2019-08-09 15:49:58 -07:00
Konstantin V Shvachko 3804b8e7be HDFS-14170. [SBN read] Fix checkstyle warnings related to SBN reads. Contributed by Konstantin V Shvachko. 2019-08-09 15:49:57 -07:00
Chao Sun 41e85ccf44 HDFS-14149. [SBN read] Fix annotations on new interfaces/classes for SBN reads. Contributed by Chao Sun. 2019-08-09 15:49:57 -07:00
Erik Krogen 7b1a3b5619 HDFS-14146. [SBN read] Handle exceptions from and prevent handler threads from blocking within internalQueueCall. Contributed by Chao Sun. 2019-08-09 15:49:57 -07:00
Chen Liang 49bdc53b66 HDFS-14138. [SBN read] Description errors in the comparison logic of transaction ID. Contributed by xiangheng. 2019-08-09 15:49:57 -07:00
Erik Krogen a86d955aa7 HDFS-13873. [SBN read] ObserverNode should reject read requests when it is too far behind. Contributed by Konstantin Shvachko. 2019-08-09 15:49:57 -07:00
Chao Sun 52d066a9d3 HDFS-14067. [SBN read] Allow manual failover between standby and observer. Contributed by Chao Sun. 2019-08-09 15:49:57 -07:00
Chao Sun 40d5cc15b2 HDFS-13924. [SBN read] Handle BlockMissingException when reading from observer. Contributed by Chao Sun. 2019-08-09 15:49:57 -07:00
Chen Liang b4fc93d90b HDFS-13791. Limit logging frequency of edit tail related statements. Contributed by Erik Krogen. 2019-08-09 15:49:56 -07:00
Chen Liang bf9d8ba66b HDFS-13880. Add mechanism to allow certain RPC calls to bypass sync. Contributed by Chen Liang. 2019-08-09 15:49:56 -07:00
Chen Liang 9f90bcadf2 HDFS-13767. Add msync server implementation. Contributed by Chen Liang. 2019-08-09 15:49:56 -07:00
Plamen Jeliazkov 9803d8db4c HDFS-13665. [SBN read] Move RPC response serialization into Server.doResponse(). Contributed by Plamen Jeliazkov. 2019-08-09 15:49:55 -07:00
Chao Sun 04eefe245a HDFS-12976. [SBN read] Introduce ObserverReadProxyProvider. Contributed by Chao Sun. 2019-08-09 15:49:55 -07:00
Erik Krogen 85f81fe458 HDFS-13609. [SBN read] Edit Tail Fast Path Part 3: NameNode-side changes to support tailing edits via RPC. Contributed by Erik Krogen. 
HDFS-10519. Add a configuration option to enable in-progress edit log tailing. Contributed by Jiayi Zhou.
 2019-08-09 15:49:55 -07:00
Erik Krogen 88d65af8a1 HDFS-13608. [SBN read] Edit Tail Fast Path Part 2: Add ability for JournalNode to serve edits via RPC. Contributed by Erik Krogen. 2019-08-09 15:49:55 -07:00
Plamen Jeliazkov 3ed8d45660 HDFS-13399. [SBN read] Make Client field AlignmentContext non-static. Contributed by Plamen Jeliazkov. 2019-08-09 15:49:55 -07:00
Erik Krogen d5da529acf HDFS-13286. [SBN read] Add haadmin commands to transition between standby and observer. Contributed by Chao Sun. 2019-08-09 15:49:55 -07:00
Erik Krogen d0c85f83da HDFS-13331. [SBN read] Add lastSeenStateId to RpcRequestHeader. Contributed by Plamen Jeliazkov. 2019-08-09 15:49:55 -07:00
Plamen Jeliazkov dd70e6d364 HDFS-12977. [SBN read] Add stateId to RPC headers. Contributed by Plamen Jeliazkov. 2019-08-09 15:49:55 -07:00
Yiqun Lin 63531be505 HDFS-14313. Get hdfs used space from FsDatasetImpl#volumeMap#ReplicaInfo in memory instead of df/du. Contributed by Lisheng Sun. 2019-08-07 23:01:51 +08:00
Steve Loughran e8ccc299f6
HADOOP-15237. In KMS docs there should be one space between KMS_LOG and NOTE. 
Contributed by Snigdhanjali Mishra.

Change-Id: I3abaa658c8786f8afa802ccbb629551313431b0e
 2019-08-01 10:37:28 +01:00
Akira Ajisaka 46c00aca21
HADOOP-16435. RpcMetrics should not retained forever. Contributed by Zoltan Haindrich. 
(cherry picked from commit cbfa3f3e98)
 2019-07-29 17:40:14 -07:00
Erik Krogen edb46353c6 HADOOP-16245. Restrict the effect of LdapGroupsMapping SSL configurations to avoid interfering with other SSL connections. Contributed by Erik Krogen. 
(cherry-picked from 62efb63006)
(cherry-picked from 5ec34bf43a)
(cherry-picked from e2aab0efef9d504e4695a9c1df2835ed60f6c0c7)
(cherry-picked from f7e517ee24)
 2019-07-26 11:44:12 -07:00
Steve Loughran c0fd09c42c
HADOOP-9844. NPE when trying to create an error message response of SASL RPC 
This closes #55

Change-Id: I10a20380565fa89762f4aa564b2f1c83b9aeecdc
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit 07530314c2)
 2019-07-26 17:55:45 +09:00
Masatake Iwasaki 62fdfaf093 HADOOP-16386. FindBugs warning in branch-2: GlobalStorageStatistics defines non-transient non-serializable instance field map. 
Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>
 2019-07-17 07:50:24 +09:00
stack a7c6d25dc3 HDFS-14483 Backport HDFS-3246,HDFS-14111 ByteBuffer pread interface to branch-2.9"" 
This is a revert of a revert, i.e. a reapplication of the HDFS-14483
patch. Original commit was missing the JIRA number.

Revert "Revert "Backport HDFS-3246,HDFS-14111 ByteBuffer pread interface to branch-2.9""

This reverts commit b26ad8a4c3.
 2019-07-09 08:58:16 -07:00
stack b26ad8a4c3 Revert "Backport HDFS-3246,HDFS-14111 ByteBuffer pread interface to branch-2.9" 
This reverts commit 4f09a6bcfd.
 2019-07-09 08:57:57 -07:00
sunlisheng 4f09a6bcfd Backport HDFS-3246,HDFS-14111 ByteBuffer pread interface to branch-2.9 
Signed-off-by: stack <stack@apache.org>
 2019-07-09 08:54:37 -07:00
stack bb7e143d34 HDFS-14585 Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch2.9 
Reapply but include JIRA # in the commit message this time.

Revert "Revert "Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch-2.9""

This reverts commit 1dd54163fc.
 2019-07-01 11:08:05 -07:00
stack 1dd54163fc Revert "Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch-2.9" 
This reverts commit bccb0fd846.
 2019-07-01 11:07:43 -07:00
sunlisheng bccb0fd846 Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch-2.9 
Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
Signed-off-by: stack <stack@apache.org>
 2019-07-01 10:59:58 -07:00
Takanobu Asanuma 64102e865f HADOOP-16369. Fix zstandard shortname misspelled as zts. Contributed by Jonathan Eagles. 
(cherry picked from commit 54f9f75a44)
 2019-06-14 10:21:30 +09:00
Erik Krogen e9eaf21874 HADOOP-16345. Fix a potential NPE when instantiating FairCallQueue metrics. Contributed by Erik Krogen. 
(cherry-picked from 76b94c274f)
(cherry-picked from f607efd195)
(cherry-picked from cf3c1b9ffc)
(cherry-picked from d43219c21d)
 2019-06-07 14:23:23 -07:00
Takanobu Asanuma e3d4f6bfed HADOOP-16331. Fix ASF License check in pom.xml. Contributed by Akira Ajisaka. 
Signed-off-by: Takanobu Asanuma <tasanuma@apache.org>
 2019-05-29 17:41:21 +09:00
Akira Ajisaka cea1b0000c
HADOOP-16323. https everywhere in Maven settings. 2019-05-27 15:28:54 +09:00
Alexis Daboville b70fdc64d3
HADOOP-16248. MutableQuantiles leak memory under heavy load. 
Contributed by Alexis Daboville,

(cherry picked from commit 4cb3da6ac7)
 2019-05-17 15:27:47 +01:00
Yuan Gao 18f66a05cf
HADOOP-16205 Backport ABFS driver from trunk to branch 2.0: Fix build and test failures. 
Contributed by Yuan Gao.
 2019-04-25 18:36:14 +01:00
Steve Loughran 94d0de2eab HADOOP-15744. AbstractContractAppendTest fails against HDFS on HADOOP-15407 branch. 
Contributed by Steve Loughran.
 2019-04-24 21:46:25 +00:00
Thomas Marquardt 3bd089ddca HADOOP-15663. ABFS: Simplify configuration. 
Contributed by Da Zhou.
 2019-04-24 21:46:25 +00:00
Thomas Marquardt b537d8c442 HADOOP-15446. ABFS: tune imports & javadocs; stabilise tests. 
Contributed by Steve Loughran and Da Zhou.
 2019-04-24 21:46:25 +00:00
Steve Loughran 1b64b0f924 HADOOP-15407. HADOOP-15540. Support Windows Azure Storage - Blob file system "ABFS" in Hadoop: Core Commit. 
Contributed by Shane Mainali, Thomas Marquardt, Zichen Sun, Georgi Chalakov, Esfandiar Manii, Amit Singh, Dana Kaban, Da Zhou, Junhua Gu, Saher Ahwal, Saurabh Pant, James Baker, Shaoyu Zhang, Lawrence Chen, Kevin Chen and Steve Loughran
 2019-04-24 21:46:25 +00:00
Chen Liang 7935485eec HDFS-14205. Backport HDFS-6440 to branch-2. Contributed by Chao Sun. 2019-03-26 12:12:14 -07:00
Erik Krogen c3973c9ae6 HADOOP-16192. Fix CallQueue backoff bugs: perform backoff when add() is used and update backoff when refreshed. 
(cherry-picked from 8c95cb9d6b)
(cherry-picked from 0de8b55a09)
(cherry-picked from d4fbbc83ad)
(cherry-picked from e172fc62ce)
 2019-03-18 09:00:40 -07:00
Steve Loughran 9b8044d00b
HADOOP-16109. Parquet reading S3AFileSystem causes EOF (#589) 
Nobody gets seek right. No matter how many times they think they have.

Reproducible test from: Dave Christianson
Fixed seek() logic: Steve Loughran

Change-Id: I39b87f3d5daa98f65de2c0a44e348821a4930573
 2019-03-13 15:33:58 +00:00
Tsz Wo Nicholas Sze 5bed24ad5f HADOOP-16126. ipc.Client.stop() may sleep too long to wait for all connections. 
(cherry picked from commit 0edb0c51dc)
 2019-03-01 17:52:53 +09:00
Eric Yang bae607f734 Revert "HADOOP-13707. Skip authorization for anonymous user to access Hadoop" 
This reverts commit 439422fff9.
 2019-02-21 17:36:59 -05:00
Eric Yang 4a45a9b57e Revert "HADOOP-13707. Skip authorization for anonymous user to access Hadoop" 
This reverts commit a4356bb7a5.
 2019-02-21 17:36:02 -05:00
Eric Yang da854234a2 Revert "HADOOP-13707. Skip authorization for anonymous user to access Hadoop" 
This reverts commit 7993fb5b81.
 2019-02-21 17:35:19 -05:00
Daryn Sharp 665cad03f3 HADOOP-15813. Enable more reliable SSL connection reuse. Contributed by Daryn Sharp. 
Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
(cherry picked from commit a87e458432)
(cherry picked from commit ae8839e6e8)
(cherry picked from commit 704330a616)
(cherry picked from commit 4eccf2a3cc)
 2019-02-20 18:22:48 -08:00
Chen Liang d3b06d179d HADOOP-15481. Emit FairCallQueue stats as metrics. Contributed by Christopher Gregorian. 2019-01-17 13:30:42 -08:00
Chen Liang 1dbe6c9780 HADOOP-16013. DecayRpcScheduler decay thread should run as a daemon. Contributed by Erik Krogen. 2019-01-11 12:57:30 -08:00
Akira Ajisaka 1684301485
HADOOP-16016. TestSSLFactory#testServerWeakCiphers fails on Java 1.8.0_191 or upper 
(cherry picked from commit d4ca907da6)
 2019-01-11 13:05:58 +09:00
Jason Lowe d62bfaf1a4 HADOOP-15973. Configuration: Included properties are not cached if resource is a stream. Contributed by Eric Payne 2018-12-20 10:02:18 -06:00
shwetayakkali@cloudera.com 500b2a0ca6
HADOOP-16008. Fix typo in CommandsManual.md 
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
 2018-12-18 13:27:14 +09:00
Inigo Goiri 5cef413a8e HADOOP-15950. Failover for LdapGroupsMapping. Contributed by Lukas Majercak. 2018-12-03 13:23:10 -08:00
Inigo Goiri a29eb49f85 Revert "HADOOP-15950. Failover for LdapGroupsMapping. Contributed by Lukas Majercak." 
This reverts commit b98ffbe3f2.
 2018-12-03 13:22:14 -08:00
Giovanni Matteo Fumarola b98ffbe3f2 HADOOP-15950. Failover for LdapGroupsMapping. Contributed by Lukas Majercak. 2018-12-03 12:46:30 -08:00
Steve Loughran a3470c65d8
HADOOP-15959. Revert "HADOOP-12751. While using kerberos Hadoop incorrectly assumes names with '@' to be non-simple" 2018-11-30 11:33:19 +00:00
Akira Ajisaka 6cae964f6c
Add 2.9.2 release notes and changes documents. 
(cherry picked from commit 1a00b4e325)
 2018-11-20 14:30:09 +09:00
Steve Loughran f23f339a6c
HADOOP-15866. Renamed HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT keys break compatibility. 
Contributed by Wei-Chiu Chuang.

(cherry picked from commit 52cb766ad0)
 2018-10-30 09:58:59 +09:00
Akira Ajisaka ca699774a2
HADOOP-15822. zstd compressor can fail with a small output buffer. Contributed by Jason Lowe. 
(cherry picked from commit 8f97d6f2cd)

Conflicts:
	dev-support/docker/Dockerfile
 2018-10-24 14:00:34 +09:00
Jason Lowe e412d8f6cd HADOOP-15859. ZStandardDecompressor.c mistakes a class for an instance. Contributed by Jason Lowe 
(cherry picked from commit 9abda83947)
 2018-10-17 14:45:56 -05:00
Steve Loughran 5da49631b6
HADOOP-15679. ShutdownHookManager shutdown time needs to be configurable & extended. 2018-10-11 12:43:09 +01:00
Vidura Mudalige fa4a111037
HADOOP-15818. Fix deprecated maven-surefire-plugin configuration in hadoop-kms module 
This closes #425

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit a30b1d1824)
 2018-10-09 12:57:42 +09:00
Jason Lowe d7e9ea37bf HADOOP-15820. ZStandardDecompressor native code sets an integer field as a long. Contributed by Jason Lowe 
(cherry picked from commit f13e231025)
 2018-10-05 09:30:50 -05:00
Yiqun Lin 7b88a57c37 HADOOP-15817. Reuse Object Mapper in KMSJSONReader. Contributed by Jonathan Eagles. 
(cherry picked from commit 81f635f47f)
 2018-10-04 10:47:22 +08:00
Chen Liang 3a6ad9cd3d HADOOP-15726. Create utility to limit frequency of log statements. Contributed by Erik Krogen. 2018-09-20 10:00:13 -07:00
Steve Loughran 5b77991548
HADOOP-15748. S3 listing inconsistency can raise NPE in globber. 
Contributed by Steve Loughran.

(cherry picked from commit 646874c326)
 2018-09-20 13:07:07 +01:00
Jason Lowe 88e2ca405a HADOOP-15755. StringUtils#createStartupShutdownMessage throws NPE when args is null. Contributed by Lokesh Jain and Dinesh Chitlangia 
(cherry picked from commit e71f61ecb8)

Conflicts:
	hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestStringUtils.java
 2018-09-18 16:05:47 -05:00
Inigo Goiri 1b12925d69 HDFS-13836. RBF: Handle mount table znode with null value. Contributed by yanghuafeng. 
(cherry picked from commit 527288ef89)
 2018-09-06 16:50:09 -07:00
Vrushali C f6e4b13d5f HADOOP-15657 Registering MutableQuantiles via Metric annotation. Contributed by Sushil Ks 2018-09-05 21:09:16 -07:00