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[HDFS-1293] Allow dfs.balance.bandwidthPerSec to be specified at invocation time for balancer - HDFS - [issue]
...The dfs.balance.bandwidthPerSec parameter is read at Datanode start time. It would be nice to allow this parameter to be passed in when the balancer is invoked so, for example, it can be run...
http://issues.apache.org/jira/browse/HDFS-1293    Author: Patrick Angeles, 2014-07-30, 21:10
Re: VOTE: HDFS-347 merge - HDFS - [mail # dev]
...+1 (non binding)  This is great...   On Tue, Feb 19, 2013 at 7:11 PM, Todd Lipcon  wrote:  ...
   Author: Patrick Angeles, 2013-02-20, 18:08
Re: HDFS Files Deleted - HDFS - [mail # user]
...It might be too late now since this is several hours ago, but you might have been able to recover some of it by shutting down the DNs, and restoring a previous fsimage (you *are* checkpointi...
   Author: Patrick Angeles, 2012-04-26, 20:33
Re: Security in Hadoop-1.0.0 - HDFS - [mail # user]
...LDAP and Kerberos are orthogonal in Hadoop, but both are often used together. LDAP allows for centralized user/group management (sort of like DNS for your users). Kerberos is for strong auth...
   Author: Patrick Angeles, 2012-02-13, 14:58
[expand - 2 more] - Re: HDFS drive, partition best practice - HDFS - [mail # user]
...OT:  Allen, did you turn down a job offer from Google or something? GMail sends everything from you straight to the spam folder.  On Tue, Feb 8, 2011 at 12:17 PM, Patrick Angeles w...
   Author: Patrick Angeles, 2011-02-08, 20:22
Re: Is there any method to estimate how many files metadata I can store in name node ? - HDFS - [mail # user]
...Hey Jeff,  A rough (but pretty good) estimation is 1GB per 1M blocks. So if you have files that average 1.2GB each and you have a dfs.block.size of 128MB, then it would take roughly 10 ...
   Author: Patrick Angeles, 2010-06-09, 16:47
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