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[HDFS-3464] BKJM: Deleting currentLedger and leaving 'inprogress_x'  on exceptions can throw BKNoSuchLedgerExistsException later. - HDFS - [issue]
...HDFS-3058 will clean currentLedgers on exception.In BookKeeperJournalManager, startLogSegment() is deleting the corresponding 'inprogress_ledger' ledger on exception. Here leaving the 'inpro...
http://issues.apache.org/jira/browse/HDFS-3464    Author: Uma Maheswara Rao G, 2012-06-25, 16:08
[HDFS-3389] Document the BKJM usage in Namenode HA. - HDFS - [issue]
...As per the discussion in HDFS-234, We need clear documentation for BKJM usage in Namenode HA....
http://issues.apache.org/jira/browse/HDFS-3389    Author: Uma Maheswara Rao G, 2012-06-16, 13:22
[HDFS-3468] Make BKJM-ZK session timeout configurable. - HDFS - [issue]
...Currently BKJM-ZK session timeout has been hardcoded to 3000ms.Considering ZKFC timeouts configurable, we should make this also configurable.Unfortunale we can not compare both the values at...
http://issues.apache.org/jira/browse/HDFS-3468    Author: Uma Maheswara Rao G, 2012-05-31, 14:06
[HDFS-3328] NPE in DataNode.getIpcPort - HDFS - [issue]
...While running the tests, I have seen this exceptions.Tests passed. Not sure this is a problem.2012-04-26 23:15:51,763 WARN  hdfs.DFSClient (DFSOutputStream.java:run(710)) - DFSOutputStr...
http://issues.apache.org/jira/browse/HDFS-3328    Author: Uma Maheswara Rao G, 2012-05-11, 13:08
[HDFS-3282] Add HdfsDataInputStream as a public API - HDFS - [issue]
...This JIRA is to expose the getFileLength API through a new public DistributedFileSystemInfo class.I would appreciate if someone suggest good name for this public class.Nicholas, did you plan...
http://issues.apache.org/jira/browse/HDFS-3282    Author: Uma Maheswara Rao G, 2012-04-26, 13:23
[HDFS-3301] Add public waitOnSafeMode API with HdfsUtils - HDFS - [issue]
...Add public waitOnSafeMode API as HdfsUtils.I have seen this util api in Hbase and using FSCOnstants in it. Currently that is deprecated and moved the SafeModeActions to HdfsConstants and als...
http://issues.apache.org/jira/browse/HDFS-3301    Author: Uma Maheswara Rao G, 2012-04-19, 11:40
[HDFS-2768] BackupNode stop can not close proxy connections because it is not a proxy instance. - HDFS - [issue]
...Observe this from BackupNode tests:java.lang.IllegalArgumentException: not a proxy instance at java.lang.reflect.Proxy.getInvocationHandler(Unknown Source) at org.apache.hadoop.ipc.RPC.stopP...
http://issues.apache.org/jira/browse/HDFS-2768    Author: Uma Maheswara Rao G, 2012-04-10, 02:37
[HDFS-2891] Some times first DataNode detected as bad when we power off for the second DataNode. - HDFS - [issue]
...In one of my clusters, observed this situation.This issue looks to be due to time out in ResponseProcesser at client side, it is marking first DataNode as bad.This happens in 20.2 version. T...
http://issues.apache.org/jira/browse/HDFS-2891    Author: Uma Maheswara Rao G, 2012-04-01, 12:02
[HDFS-3085] Local data node may need to reconsider for read, when reading a very big file as that local DN may get recover in some time. - HDFS - [issue]
...While reading the file, we will add the DN to deadNodes list and will skip from reads.If we are reading very huge file (may take hours), and failed read from local datanode, then this will b...
http://issues.apache.org/jira/browse/HDFS-3085    Author: Uma Maheswara Rao G, 2012-03-13, 18:33
[HDFS-1805] Some Tests in TestDFSShell can not shutdown the MiniDFSCluster on any exception/assertion failure. This will leads to fail other testcases. - HDFS - [issue]
...Some test cases in TestDFSShell are not shutting down the MiniDFSCluster in finally.If any test assertion failure or exception can result in not shutting down this cluster. Because of this o...
http://issues.apache.org/jira/browse/HDFS-1805    Author: Uma Maheswara Rao G, 2012-03-10, 18:30
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB