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[HDFS-4463] ActiveStandbyElector can join election even before Service HEALTHY, and results in null data at ActiveBreadCrumb - HDFS - [issue]
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...ActiveStandbyElector can store null at ActiveBreadCrumb in the below race condition. At further all failovers will fail resulting NPE.1. ZKFC restarted.2. due to machine busy, first zk conne...
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http://issues.apache.org/jira/browse/HDFS-4463
Author: Vinay,
2013-02-22, 08:36
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[HDFS-4445] All BKJM ledgers are not checked while tailing, So failover will fail. - HDFS - [issue]
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...After the fix of HDFS-4130, all editlog nodes are not iterated if first edit are below fromTxIdProblem part is below code inside BookKeeperJournalManager#selectInputStreams(..) &...
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http://issues.apache.org/jira/browse/HDFS-4445
Author: Vinay,
2013-02-04, 14:04
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[HDFS-3507] DFS#isInSafeMode needs to execute only on Active NameNode - HDFS - [issue]
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...Currently DFS#isInSafeMode is not Checking for the NN state. It can be executed on any of the NNs.But HBase will use this API to check for the NN safemode before starting up its service.If f...
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http://issues.apache.org/jira/browse/HDFS-3507
Author: Vinay,
2013-01-30, 05:16
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[HDFS-3970] BlockPoolSliceStorage#doRollback(..) should use BlockPoolSliceStorage instead of DataStorage to read prev version file. - HDFS - [issue]
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... // read attributes out of the VERSION file of previous directory DataStorage prevInfo = new DataStorage(); prevInfo.readPreviousVersion...
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http://issues.apache.org/jira/browse/HDFS-3970
Author: Vinay,
2013-01-04, 17:53
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[HDFS-4286] Changes from BOOKKEEPER-203 broken capability of including bookkeeper-server jar in hidden package of BKJM - HDFS - [issue]
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...BOOKKEEPER-203 introduced changes to LedgerLayout to include ManagerFactoryClass instead of ManagerFactoryName.So because of this, BKJM cannot shade the bookkeeper-server jar inside BKJM jar...
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http://issues.apache.org/jira/browse/HDFS-4286
Author: Vinay,
2012-12-07, 10:45
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[HDFS-4238] [HA] Standby namenode should not do purging of shared storage edits. - HDFS - [issue]
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...This happened in our cluster,>> Standby NN was keep doing checkpoint every one hour and uploading to Active NN was continuously failing due to some kerberos issue and nobody noticed th...
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http://issues.apache.org/jira/browse/HDFS-4238
Author: Vinay,
2012-12-05, 23:28
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[HDFS-4223] Browsing filesystem from specific datanode in live nodes page also should include delegation token in the url - HDFS - [issue]
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...Browsing file system from the 'Browse the filesystem' link includes 'tokenString' as a parameter in the URL.Same way browsing using specific datanode from live nodes page also should include...
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http://issues.apache.org/jira/browse/HDFS-4223
Author: Vinay,
2012-11-23, 14:48
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[HDFS-4038] Override toString() for BookKeeperEditLogInputStream - HDFS - [issue]
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...Override toString() for BookKeeperEditLogInputStream and also avoid lh.toString() in BookKeeperEditLogInputStream#getName() which will log just hashCode...
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http://issues.apache.org/jira/browse/HDFS-4038
Author: Vinay,
2012-11-14, 13:21
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[HDFS-3752] BOOTSTRAPSTANDBY for new Standby node will not work just after saveNameSpace at ANN in case of BKJM - HDFS - [issue]
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...1. do saveNameSpace in ANN node by entering into safemode2. in another new node, install standby NN and do BOOTSTRAPSTANDBY3. Now StandBy NN will not able to copy the fsimage_txid from ANNTh...
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http://issues.apache.org/jira/browse/HDFS-3752
Author: Vinay,
2012-11-07, 07:36
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[HDFS-3562] Handle disconnect and session timeout events at BKJM - HDFS - [issue]
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...Retry zookeeper operations for some amount of time in case of CONNECTIONLOSS/OPERATIONTIMEOUT exceptions. In case of Session expiry trigger shutdown...
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http://issues.apache.org/jira/browse/HDFS-3562
Author: Vinay,
2012-10-11, 12:55
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