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T Patch Info Key Summary Assignee Reporter P Status Resolution Created Updated Due Development
Sub-task HDFS-14858

HDFS-12943 [SBN read] Allow configurably enable/disable AlignmentContext on NameNode

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14822

HDFS-12943 [SBN read] Revisit GlobalStateIdContext locking when getting server state id

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14794

HDFS-12943 [SBN read] reportBadBlock is rejected by Observer.

Unassigned Konstantin Shvachko Major Open Unresolved  
Sub-task HDFS-14792

HDFS-12943 [SBN read] StanbyNode does not come out of safemode while adding new blocks.

Unassigned Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14785

HDFS-12943 [SBN read] Change client logging to be less aggressive

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14779

HDFS-12943 Fix logging error in TestEditLog#testMultiStreamsLoadEditWithConfMaxTxns

Jonathan Hung Jonathan Hung Major Resolved Fixed  
Sub-task HDFS-14674

HDFS-12943 [SBN read] Got an unexpected txid when tail editlog

wangzhaohui wangzhaohui Blocker Resolved Fixed  
Sub-task HDFS-14590

HDFS-12943 [SBN Read] Add the document link to the top page

Takanobu Asanuma Takanobu Asanuma Major Resolved Fixed  
Sub-task HDFS-14443

HDFS-12943 Throwing RemoteException in the time of Read Operation

Unassigned Ranith Sardar Major Resolved Not A Problem  
Sub-task HDFS-14270

HDFS-12943 [SBN Read] StateId and TrasactionId not present in Trace level logging

Shweta Shweta Trivial Resolved Fixed  
Sub-task HDFS-14262

HDFS-12943 [SBN read] Unclear Log.WARN message in GlobalStateIdContext

Shweta Shweta Major Resolved Fixed  
Sub-task HDFS-14170

HDFS-12943 Fix white spaces related to SBN reads.

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14162

HDFS-12943 Balancer should work with ObserverNode

Erik Krogen Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14160

HDFS-12943 ObserverReadInvocationHandler should implement RpcInvocationHandler

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14155

HDFS-12943 Update "Consistent Read from Observer" User Guide with Edit Tailing Frequency

Erik Krogen Erik Krogen Major Resolved Duplicate  
Sub-task HDFS-14154

HDFS-12943 Document dfs.ha.tail-edits.period in user guide.

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-14149

HDFS-12943 Adjust annotations on new interfaces/classes for SBN reads.

Chao Sun Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14146

HDFS-12943 Handle exception from internalQueueCall

Chao Sun Chao Sun Critical Resolved Fixed  
Sub-task HDFS-14142

HDFS-12943 Move ipfailover config key out of HdfsClientConfigKeys

Chen Liang Chen Liang Minor Resolved Fixed  
Sub-task HDFS-14138

HDFS-12943 Description errors in the comparison logic of transaction ID

xiangheng xiangheng Minor Resolved Fixed  
Sub-task HDFS-14131

HDFS-12943 Create user guide for "Consistent reads from Observer" feature.

Chao Sun Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14130

HDFS-12943 Make ZKFC ObserverNode aware

xiangheng Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14120

HDFS-12943 ORFPP should also clone DT for the virtual IP

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14116

HDFS-12943 Fix class cast error in NNThroughputBenchmark with ObserverReadProxyProvider.

Chao Sun Chen Liang Major Resolved Fixed  
Sub-task HDFS-14094

HDFS-12943 Fix the order of logging arguments in ObserverReadProxyProvider.

Ayush Saxena Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-14068

HDFS-12943 Allow manual transition from Standby to Observer

Unassigned Plamen Jeliazkov Major Resolved Duplicate  
Sub-task HDFS-14067

HDFS-12943 Allow manual failover between standby and observer

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-14059

HDFS-12943 Test reads from standby on a secure cluster with Configured failover

Plamen Jeliazkov Konstantin Shvachko Major Resolved Done  
Sub-task HDFS-14058

HDFS-12943 Test reads from standby on a secure cluster with IP failover

Chen Liang Konstantin Shvachko Major Resolved Done  
Sub-task HDFS-14035

HDFS-12943 NN status discovery does not leverage delegation token

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14020

HDFS-12943 Emulate Observer node falling far behind the Active

Sherwood Zheng Sherwood Zheng Major Resolved Duplicate  
Sub-task HDFS-14017

HDFS-12943 ObserverReadProxyProviderWithIPFailover should work with HA configuration

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-14016

HDFS-12943 ObserverReadProxyProvider should enable observer read by default

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-13974

HDFS-12943 Introduce the single Observer failure

Sherwood Zheng Sherwood Zheng Major Resolved Duplicate  
Sub-task HDFS-13961

HDFS-12943 TestObserverNode refactoring

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13930

HDFS-12943 Fix crlf line endings in HDFS-12943 branch

Konstantin Shvachko Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13925

HDFS-12943 Unit Test for transitioning between different states

Sherwood Zheng Sherwood Zheng Major Resolved Fixed  
Sub-task HDFS-13924

HDFS-12943 Handle BlockMissingException when reading from observer

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-13923

HDFS-12943 Add a configuration to turn on/off observer reads

Shweta Chao Sun Major Open Unresolved  
Sub-task HDFS-13898

HDFS-12943 Throw retriable exception for getBlockLocations when ObserverNameNode is in safemode

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-13880

HDFS-12943 Add mechanism to allow certain RPC calls to bypass sync

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-13873

HDFS-12943 ObserverNode should reject read requests when it is too far behind.

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13872

HDFS-12943 Only some protocol methods should perform msync wait

Erik Krogen Erik Krogen Major Resolved Duplicate  
Sub-task HDFS-13851

HDFS-12943 Remove AlignmentContext from AbstractNNFailoverProxyProvider

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13848

HDFS-12943 Refactor NameNode failover proxy providers

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13791

HDFS-12943 Limit logging frequency of edit tail related statements

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13789

HDFS-12943 Reduce logging frequency of QuorumJournalManager#selectInputStreams

Erik Krogen Erik Krogen Trivial Resolved Fixed  
Sub-task HDFS-13782

HDFS-12943 ObserverReadProxyProvider should work with IPFailoverProxyProvider

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13781

HDFS-12943 Unit tests for standby reads.

Unassigned Konstantin Shvachko Major Resolved Duplicate  
Sub-task HDFS-13780

HDFS-12943 Postpone NameNode state discovery in ObserverReadProxyProvider until the first real RPC call.

Chen Liang Konstantin Shvachko Major Resolved Duplicate  
Sub-task HDFS-13779

HDFS-12943 Implement performFailover logic for ObserverReadProxyProvider.

Erik Krogen Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13778

HDFS-12943 TestStateAlignmentContextWithHA should use real ObserverReadProxyProvider instead of AlignmentContextProxyProvider.

Plamen Jeliazkov Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13767

HDFS-12943 Add msync server implementation.

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-13749

HDFS-12943 Use getServiceStatus to discover observer namenodes

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-13706

HDFS-12943 ClientGCIContext should be correctly named ClientGSIContext

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-13689

HDFS-12943 NameNodeRpcServer getEditsFromTxid assumes it is run on active NameNode

Unassigned Erik Krogen Major Open Unresolved  
Sub-task HDFS-13688

HDFS-12943 Introduce msync API call

Chen Liang Chen Liang Major Resolved Fixed  
Sub-task HDFS-13665

HDFS-12943 Move RPC response serialization into Server.doResponse

Plamen Jeliazkov Plamen Jeliazkov Major Resolved Fixed  
Sub-task HDFS-13610

HDFS-12943 [Edit Tail Fast Path Pt 4] Cleanup: integration test, documentation, remove unnecessary dummy sync

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13609

HDFS-12943 [Edit Tail Fast Path Pt 3] NameNode-side changes to support tailing edits via RPC

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13608

HDFS-12943 [Edit Tail Fast Path Pt 2] Add ability for JournalNode to serve edits via RPC

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13607

HDFS-12943 [Edit Tail Fast Path Pt 1] Enhance JournalNode with an in-memory cache of recent edit transactions

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13578

HDFS-12943 Add ReadOnly annotation to methods in ClientProtocol

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-13523

HDFS-12943 Support observer nodes in MiniDFSCluster

Konstantin Shvachko Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13522

HDFS-12943 Support observer node from Router-Based Federation

Chao Sun Erik Krogen Major Open Unresolved  
Sub-task HDFS-13399

HDFS-12943 Make Client field AlignmentContext non-static.

Plamen Jeliazkov Plamen Jeliazkov Major Resolved Fixed  
Sub-task HDFS-13331

HDFS-12943 Add lastSeenStateId to RpcRequestHeader.

Plamen Jeliazkov Plamen Jeliazkov Major Resolved Fixed  
Sub-task HDFS-13286

HDFS-12943 Add haadmin commands to transition between standby and observer

Chao Sun Chao Sun Major Resolved Fixed  
Sub-task HDFS-13189

HDFS-12943 Standby NameNode should roll active edit log when checkpointing

Unassigned Chao Sun Minor Resolved Duplicate  
Sub-task HDFS-13182

HDFS-12943 Allow Observer to participate in NameNode failover

Unassigned Chao Sun Major Open Unresolved  
Sub-task HDFS-13152

HDFS-12943 Support observer reads for WebHDFS

Chao Sun Chao Sun Major Open Unresolved  
Sub-task HDFS-13150

HDFS-12943 [Edit Tail Fast Path] Allow SbNN to tail in-progress edits from JN via RPC

Erik Krogen Erik Krogen Major Resolved Fixed  
Sub-task HDFS-13122

HDFS-12943 Tailing edits should not update quota counts on ObserverNode

Erik Krogen Erik Krogen Major Resolved Duplicate  
Sub-task HDFS-12979

HDFS-12943 StandbyNode should upload FsImage to ObserverNode after checkpointing.

Chen Liang Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-12978

HDFS-12943 Fine-grained locking while consuming journal stream.

Konstantin Shvachko Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-12977

HDFS-12943 Add stateId to RPC headers.

Plamen Jeliazkov Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-12976

HDFS-12943 Introduce ObserverReadProxyProvider

Chao Sun Konstantin Shvachko Major Resolved Fixed  
Sub-task HDFS-12975

HDFS-12943 Changes to the NameNode to support reads from standby

Chao Sun Konstantin Shvachko Major Resolved Fixed  

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