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RE: Distributed cache: how big is too big? - MapReduce - [mail # user]
..."a replication factor equal to the number of DN"Hmmm... I'm not sure I understand: there are  8 DN in mytest cluster.  Date: Tue, 9 Apr 2013 04:49:17 -0700 Subject: Re: Distributed...
   Author: John Meza, 2013-04-09, 14:42
RE: Cluster lost IP addresses - MapReduce - [mail # user]
...After 2 hard restarts of all nodes, the cluster is back. But 7 of 18 nodes are dead. the NN is aware of all nodes, data (of non-dead) nodes is available.  We're pulling off data now, wi...
   Author: John Meza, 2013-03-24, 02:48
copytolocal vs distcp - MapReduce - [mail # user]
...I need suggestions on best methods of copying  alot of data (~6Tb) from a cluster (20-dn) to the local file system.  While distcp has much more throughput compared to copytolocal (...
   Author: John Meza, 2013-03-09, 18:07
RE: dfs.datanode.du.reserved - MapReduce - [mail # user]
...I'm probably not being clear.this seems to describe it: dfs.datanode.du.reserved  configured per-volume.https://issues.apache.org/jira/browse/HDFS-1564  thanksJohn From: [EMAIL PRO...
   Author: John Meza, 2013-03-04, 21:26
does "fs -put " create subdirectories? - MapReduce - [mail # user]
...Does "hadoop fs -put mmddyyyy.tsv t1/2012/01/01/mmddyyyy.tsv" create the necassary subdirectories in hdfs?thanksJohn    ...
   Author: John Meza, 2013-01-16, 16:54
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