On 2016-07-30 20:12 (-0700), Shady Xu <[email protected]> wrote: > Thanks Andrew, I know about the disk failure risk and that it's one of the > reasons why we should use JBOD. But JBOD provides worse performance than > RAID 0.
And take into account the fact that HDFS does have other > replications and it will make one more replication on another DataNode when > disk failure happens. So why should we sacrifice performance to prevent > data loss which can naturally be avoided by HDFS? > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
