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[HDFS-4804] WARN when users set the block balanced preference percent below 0.5 or above 1.0 - HDFS - [issue]
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...With the new feature added in HDFS-1804 (Add a new block-volume device choosing policy that looks at free space), it'd be useful to have a WARN log if the operator sets dfs.datanode.fs...
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http://issues.apache.org/jira/browse/HDFS-4804
Author: Stephen Chu,
2013-05-16, 20:40
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[HDFS-4828] Make QJM epoch-related errors more understandable - HDFS - [issue]
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...Since we started running QJM on production clusters, we've found that users are very confused by some of the error messages that it produces. For example, when a failover occurs and an old N...
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http://issues.apache.org/jira/browse/HDFS-4828
Author: Todd Lipcon,
2013-05-16, 19:14
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[HDFS-347] DFS read performance suboptimal when client co-located on nodes with data - HDFS - [issue]
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...One of the major strategies Hadoop uses to get scalable data processing is to move the code to the data. However, putting the DFS client on the same physical node as the data blocks it...
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http://issues.apache.org/jira/browse/HDFS-347
Author: George Porter,
2013-05-16, 18:46
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Re: Configuring SSH - is it required? for a psedo distriburted mode? - HDFS - [mail # user]
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...Hi, I am a bit confused here. I am planning to run on a single machine. So what should i do to start hadoop processes. How should I do an SSH? Can you please breifly explain me what SSH ...
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Author: Raj Hadoop,
2013-05-16, 15:56
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[HDFS-4826] TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk - HDFS - [issue]
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...As discussed on HDFS-2802, this test cannot complete in a reasonable time when running on slow virtualized disk. It creates 2^16 snapshots and numerous files, and the repeated edit log...
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http://issues.apache.org/jira/browse/HDFS-4826
Author: Chris Nauroth,
2013-05-16, 15:06
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[HDFS-4787] Create a new HdfsConfiguration before each TestDFSClientRetries testcases - HDFS - [issue]
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...It's better to create a new HdfsConfiguration before each testcases in TestDFSClientRetries in case of any configuration parameter impact....
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http://issues.apache.org/jira/browse/HDFS-4787
Author: Tian Hong Wang,
2013-05-16, 15:06
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Re: Can any one give Cloudera Manager Detailed Explanation link - HDFS - [mail # user]
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...Hello Sathish, This list is specific to Apache's Hadoop. For Cloudera related stuff you could contact their support at https://ccp.cloudera.com/display/SUPPORT/Get...
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Author: Mohammad Tariq,
2013-05-16, 12:14
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Re: Can any one give Cloudera Manager Detailed Explanation link - HDFS - [mail # user]
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...Cloudera Manager installs a tiny agent on each node in the cluster. These agents send their local information to a centralized server which provides a web based access to the administrator. ...
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Author: Kai Voigt,
2013-05-16, 12:13
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Can any one give Cloudera Manager Detailed Explanation link - HDFS - [mail # user]
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...Hi All, We would like to know how the Cloudera Manager works (server and agent, db, etc..). Can anyone help me the web link or video link. Regards Sathish...
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Author: Sathish Kumar,
2013-05-16, 12:09
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[HDFS-4698] provide client-side metrics for remote reads, local reads, and short-circuit reads - HDFS - [issue]
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...We should provide metrics to let clients know how many bytes of data they have read remotely, versus locally or via short-circuit local reads. This will allow clients to know how well ...
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http://issues.apache.org/jira/browse/HDFS-4698
Author: Colin Patrick McCabe,
2013-05-16, 08:11
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