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[HDFS-5504] In HA mode, OP_DELETE_SNAPSHOT is not decrementing the safemode threshold, leads to NN safemode. - HDFS - [issue]
...1. HA installation, standby NN is down.2. delete snapshot is called and it has deleted the blocks from blocksmap and all datanodes. log sync also happened.3. before next log roll NN crashed4...
http://issues.apache.org/jira/browse/HDFS-5504    Author: Vinay, 2013-12-11, 14:40
[HDFS-5627] FSCK and checkpoint not working when kerberos security+https is enabled. - HDFS - [issue]
...Connecting to namenode via https://<nn-ip>:5007013/12/04 15:00:48 ERROR security.UserGroupInformation: PriviledgedActionException as:vinay/[EMAIL PROTECTED] (auth:KERBEROS) cause:javax...
http://issues.apache.org/jira/browse/HDFS-5627    Author: Vinay, 2013-12-05, 01:17
[HDFS-5581] NameNodeFsck should use only one instance of BlockPlacementPolicy - HDFS - [issue]
...While going through NameNodeFsck I found that following code creates the new instance of BlockPlacementPolicy for every block.      // verify block placement policy ...
http://issues.apache.org/jira/browse/HDFS-5581    Author: Vinay, 2013-12-03, 13:37
[HDFS-5568] Support inclusion of snapshot paths in Namenode fsck - HDFS - [issue]
...Support Fsck to check the snapshot paths also for inconsistency.Currently Fsck supports snapshot paths if path given explicitly refers to a snapshot path.We have seen safemode problems in ou...
http://issues.apache.org/jira/browse/HDFS-5568    Author: Vinay, 2013-11-28, 11:00
[HDFS-5532] Enable the webhdfs by default to support new HDFS web UI - HDFS - [issue]
...Recently in HDFS-5444, new HDFS web UI is made as default.  but this needs webhdfs to be enabled. WebHDFS is disabled by default. Lets enable it by default to support new really cool we...
http://issues.apache.org/jira/browse/HDFS-5532    Author: Vinay, 2013-11-21, 13:27
[HDFS-3970] BlockPoolSliceStorage#doRollback(..) should use BlockPoolSliceStorage instead of DataStorage to read prev version file. - HDFS - [issue]
...    // read attributes out of the VERSION file of previous directory    DataStorage prevInfo = new DataStorage();    prevInfo.readPreviousVersion...
http://issues.apache.org/jira/browse/HDFS-3970    Author: Vinay, 2013-11-15, 11:33
[HDFS-5463] NameNode should limit the number of blocks per file - HDFS - [issue]
...Currently there is no limit to number of blocks user can write to a file.And blocksize also can be set to minimum possible.User can write any number of blocks continously, which may create p...
http://issues.apache.org/jira/browse/HDFS-5463    Author: Vinay, 2013-11-05, 18:44
[HDFS-5368] Namenode deadlock during safemode extention - HDFS - [issue]
...Namenode entered to safemode during restart1. After restart NN entered to safemode extention.2. During this time deadlock happened between datanode heartbeat and SafemodeMonitor() thread.Fou...
http://issues.apache.org/jira/browse/HDFS-5368    Author: Vinay, 2013-10-26, 02:26
[HDFS-5331] make SnapshotDiff.java to a o.a.h.util.Tool interface implementation - HDFS - [issue]
...SnapshotDiff.java is a plain class with main() method now. Convert it to o.a.h.util.Tool interface implementation for better look and usage  in tests in future,...
http://issues.apache.org/jira/browse/HDFS-5331    Author: Vinay, 2013-10-21, 15:04
[HDFS-5299] DFS client hangs in updatePipeline RPC when failover happened - HDFS - [issue]
...DFSClient got hanged in updatedPipeline call to namenode when the failover happened at exactly sametime.When we digged down, issue found to be with handling the RetryCache in updatePipeline....
http://issues.apache.org/jira/browse/HDFS-5299    Author: Vinay, 2013-10-07, 15:17
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NEW: Monitor These Apps!
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