Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Plain View
Hadoop >> mail # user >> Decommission multiple datanodes at a time?


+
jiang licht 2010-08-31, 19:58
+
Allen Wittenauer 2010-08-31, 20:04
Copy link to this message
-
Re: Decommission multiple datanodes at a time?
Not sure if it's up to date, but the FAQ attempts to answer this question:
http://wiki.apache.org/hadoop/FAQ#A17.

On Tue, Aug 31, 2010 at 1:04 PM, Allen Wittenauer
<[EMAIL PROTECTED]>wrote:

>
> On Aug 31, 2010, at 12:58 PM, jiang licht wrote:
>
> > Is the number of nodes to be decommissioned bounded by replication
> factor?
>
> No, it is bounded mainly by network bandwidth and NN/DN RPC call rate.
> I've seen decommissions of like 400 nodes at once.
>
>
+
Steve Loughran 2010-09-01, 10:19
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB