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[HDFS-5068] Convert NNThroughputBenchmark to a Tool to allow generic options. - HDFS - [issue]
...Currently NNThroughputBenchmark does not recognize generic options like -conf, etc. A simple way to enable such functionality is to make it implement Tool interface....
http://issues.apache.org/jira/browse/HDFS-5068    Author: Konstantin Shvachko, 2013-12-29, 21:19
[HDFS-4874] create with OVERWRITE deletes existing file without checking the lease: feature or a bug. - HDFS - [issue]
...create with OVERWRITE flag will remove a file under construction even if the issuing client does not hold a lease on the file.It could be a bug or the feature that applications rely upon....
http://issues.apache.org/jira/browse/HDFS-4874    Author: Konstantin Shvachko, 2013-12-11, 09:57
[HDFS-5079] Cleaning up NNHAStatusHeartbeat.State DatanodeProtocolProtos. - HDFS - [issue]
...NNHAStatusHeartbeat.State was removed from usage by HDFS-4268. The respective class should also be removed from DatanodeProtocolProtos....
http://issues.apache.org/jira/browse/HDFS-5079    Author: Konstantin Shvachko, 2013-08-15, 15:45
[HDFS-636] SafeMode should count only complete blocks. - HDFS - [issue]
...During start up the name-node is in safe mode and is counting blocks reported by data-nodes. When the number of minimally replicated blocks reaches the configured threshold the name-node lea...
http://issues.apache.org/jira/browse/HDFS-636    Author: Konstantin Shvachko, 2013-08-14, 05:41
[HDFS-4849] Enable retries for create and append operations. - HDFS - [issue]
...create, append and delete operations can be made retriable. This will reduce chances for a job or other app failures when NN fails over....
http://issues.apache.org/jira/browse/HDFS-4849    Author: Konstantin Shvachko, 2013-07-13, 15:11
[HDFS-4883] complete() should verify fileId - HDFS - [issue]
...It seems inconsistent that complete() avoids verifying real fileId, while addBlock() does it meticulously....
http://issues.apache.org/jira/browse/HDFS-4883    Author: Konstantin Shvachko, 2013-06-23, 16:51
[HDFS-2498] TestParallelRead times out consistently on Jenkins - HDFS - [issue]
...During last several Jenkins builds TestParallelRead consistently fails. See Hadoop-Hdfs-22-branch for logs....
http://issues.apache.org/jira/browse/HDFS-2498    Author: Konstantin Shvachko, 2013-06-17, 22:27
[HDFS-4899] TestQuorumJournalManager.testNewerVersionOfSegmentWins intermittently fails with BindException. - HDFS - [issue]
...Seen this test failing several times on Jenkins with the same BindException....
http://issues.apache.org/jira/browse/HDFS-4899    Author: Konstantin Shvachko, 2013-06-12, 19:34
[HDFS-4872] Idempotent delete operation. - HDFS - [issue]
...Making delete idempotent is important to provide uninterrupted job execution in case of HA failover.This is to discuss different approaches to idempotent implementation of delete....
http://issues.apache.org/jira/browse/HDFS-4872    Author: Konstantin Shvachko, 2013-06-05, 17:50
[HDFS-4639] startFileInternal() should not increment generation stamp - HDFS - [issue]
...startFileInternal() increments genStamp and passes it to FSDirectory.addFile() as a parameter, while the addFile() simply ignores the generationStamp parameter.We should remove the call of n...
http://issues.apache.org/jira/browse/HDFS-4639    Author: Konstantin Shvachko, 2013-04-13, 15:05
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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