Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 41 to 50 from 58 (0.085s).
Loading phrases to help you
refine your search...
[HADOOP-807] splitting DFS version number - Hadoop - [issue]
...In the current code, there is a enum named DFS_CURRENT_VERSION. It is being used for three different purposes:1. It is stored in the fsimage and represents the format of the fsimage.2. It is...
http://issues.apache.org/jira/browse/HADOOP-807    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-829] Separate the datanode contents that is written to the fsimage vs the contents used in over-the-wire communication - Hadoop - [issue]
...In the existing implementation, the Namenode has a data structure called DatanodeDescriptor. It is used to serialize contents of the Datanode while writing it to the fsimage. The same serial...
http://issues.apache.org/jira/browse/HADOOP-829    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-1073] DFS Scalability: high CPU usage in choosing replication targets and file open - Hadoop - [issue]
...I have a test cluster that has about 1600 data nodes. randomWriter fails to run because of map tasks fail with "connection timeout" message. The namenode quickly gets to 100% CPU usage. The ...
http://issues.apache.org/jira/browse/HADOOP-1073    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-812] Make DfsPath a public class - Hadoop - [issue]
...I would like to get the filesize of a particular HDFS file from an external program. This functionality is exported through the DfsPath class. I would like to make this class a public class....
http://issues.apache.org/jira/browse/HADOOP-812    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-814] Increase dfs scalability by optimizing locking on namenode. - Hadoop - [issue]
...The current dfs namenode encounters locking bottlenecks when the number of datanodes is large. The namenode uses a single global lock to protect access to data structures. One key area is he...
http://issues.apache.org/jira/browse/HADOOP-814    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-764] The memory consumption of processReport() in the namenode can be reduced - Hadoop - [issue]
...The FSNamesystem.processReport() method converts the blocklist for a datanode into an array by calling node.getBlocks(). Although this memory allocation is transient, it could possibly requi...
http://issues.apache.org/jira/browse/HADOOP-764    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-752] Possible locking issues in HDFS Namenode - Hadoop - [issue]
...I have been investigating the cause of random Namenode memory corruptions/memory overflows, etc. Please comment. 1. The functions datanodeReport() and DFSNodesStatus() do not acquire th...
http://issues.apache.org/jira/browse/HADOOP-752    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-665]  hadoop -rmr  does NOT process multiple arguments and does not complain - Hadoop - [issue]
...hadoop dfs -rmr /user/arkady/fuchun /user/arkady/fuchun_h /user/arkady/log /user/arkady/t /user/arkady/t106/10/31 20:15:31 INFO conf.Configuration: parsing jar:file:/nfs/ystools/vol/ystools/...
http://issues.apache.org/jira/browse/HADOOP-665    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-666] hadoop dfs  does not complain about unknown option - Hadoop - [issue]
...No error message displayed when wrong arguments were fed to "hadoop dfs" as shown by the snippet at the end of this description.hadoop dfs -rmr/user/arkady/doremi /user/arkady/fuchun /user/a...
http://issues.apache.org/jira/browse/HADOOP-666    Author: dhruba borthakur, 2009-07-08, 16:42
[HADOOP-681] Adminstrative hook to pull live nodes out of a HDFS cluster - Hadoop - [issue]
...Introduction------------An administrator sometimes needs to bring down a datanode for scheduled maintenance. It would be nice if HDFS can be informed about this event. On receipt of this eve...
http://issues.apache.org/jira/browse/HADOOP-681    Author: dhruba borthakur, 2009-07-08, 16:42
Sort:
project
Hadoop (58)
HDFS (25)
HBase (21)
MapReduce (16)
Hive (4)
type
issue (58)
date
last 7 days (0)
last 30 days (0)
last 90 days (0)
last 6 months (0)
last 9 months (58)
author
Harsh J (537)
Owen O'Malley (402)
Steve Loughran (357)
Todd Lipcon (234)
Eli Collins (181)
Arun C Murthy (156)
Chris Nauroth (129)
Alejandro Abdelnur (121)
Allen Wittenauer (115)
Nigel Daley (112)
Tom White (111)
Daryn Sharp (108)
Konstantin Shvachko (102)
Ted Yu (95)
Aaron Kimball (93)
dhruba borthakur