Re: Permission Denied

hadoop fs -mkdir /accumulo hadoop fs -chown accumulo:supergroup /accumulo div Original message /divdivFrom: David Patterson patt...@gmail.com /divdivDate:03/01/2015 7:04 PM (GMT-05:00) /divdivTo: user@hadoop.apache.org /divdivCc: /divdivSubject: Re: Permission Denied

Re: missing data blocks after active name node crashes

https://issues.apache.org/jira/browse/HDFS-7097 div Original message /divdivFrom: Chen Song chen.song...@gmail.com /divdivDate:02/11/2015 7:48 AM (GMT-05:00) /divdivTo: user@hadoop.apache.org /divdivCc: /divdivSubject: Re: missing data blocks after active name node

NN questions

If multiple directories are specified for dfs.namenode.name.dir and dfs.namenode.edits.dir, are the writes to the different directories done in parallel or serial? Does dfs.namenode.shared.edits.dir support multiple directories like the properties above? Thanks, Dave

NN config questions

If multiple directories are specified for dfs.namenode.name.dir and dfs.namenode.edits.dir, are the writes to the different directories done in parallel or serial? Does dfs.namenode.shared.edits.dir support multiple directories like the properties above? Thanks, Dave

RE: Which Hadoop 2.x .jars are necessary for Apache Commons VFS HDFS access?

If memory serves me, its in the hadoop-hdfs.jar file. Sent via the Samsung GALAXY S®4, an ATT 4G LTE smartphone Original message From: Roger Whitcomb roger.whitc...@actian.com Date:04/11/2014 8:37 PM (GMT-05:00) To: user@hadoop.apache.org Subject: RE: Which Hadoop 2.x .jars

RE: Replicating Hadoop configuration files on all nodes

Also pdsh[1] or pssh[2]. [1] http://sourceforge.net/projects/pdsh/ [2] https://code.google.com/p/parallel-ssh/ From: Geoffry Roberts [mailto:threadedb...@gmail.com] Sent: Saturday, March 15, 2014 9:55 AM To: user@hadoop.apache.org Subject: Re: Replicating Hadoop configuration files on

HA NN Failover question

I was doing some testing with HA NN today. I set up two NN with active failover (ZKFC) using sshfence. I tested that its working on both NN by doing 'kill -9 pid' on the active NN. When I did this on the active node, the standby would become the active and everything seemed to work. Next, I logged

RE: HA NN Failover question

communicating with Zookeeper? Chris On Mar 14, 2014 8:22 PM, dlmarion dlmar...@hotmail.com wrote: I was doing some testing with HA NN today. I set up two NN with active failover (ZKFC) using sshfence. I tested that its working on both NN by doing 'kill -9 pid' on the active NN. When I did

RE: HA NN Failover question

are them? Juan Carlos Fernández Rodríguez El 15/03/2014, a las 01:21, dlmarion dlmar...@hotmail.com escribió: I was doing some testing with HA NN today. I set up two NN with active failover (ZKFC) using sshfence. I tested that its working on both NN by doing ‘kill -9 pid’ on the active NN. When I

RE: HA NN Failover question

iPhone5s On 2014年3月15日, at 9:29, dlmarion dlmar...@hotmail.com wrote: Server 1: NN1 and ZKFC1 Server 2: NN2 and ZKFC2 Server 3: Journal1 and ZK1 Server 4: Journal2 and ZK2 Server 5: Journal3 and ZK3 Server 6+: Datanode All in the same rack. I would expect the ZKFC from the active name