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 Threaded View
HDFS >> mail # dev >> [VOTE -- Round 2] Commit hdfs-630 to 0.21?


Copy link to this message
-
Re: [VOTE -- Round 2] Commit hdfs-630 to 0.21?
Cosmin Lehene wrote:
> Steve,
>
> A DoS could not be done using excludedNodes.
>
> The blacklisting takes place only at DFSClientLevel. The NN will return a
> list of block locations that excludes the nodes the client decided. This
> list isn't persisted anywhere on the server. So if a client excludes the
> entire set of DNs other clients won't be affected.
>

OK,  +1 then.
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