It’s still random. If rack aware is not enabled, all nodes are in “default-rack”, and random nodes are chosen for block replications.
Regards, Yi Liu From: SF Hadoop [mailto:sfhad...@gmail.com] Sent: Friday, October 03, 2014 7:12 AM To: user@hadoop.apache.org Subject: Block placement without rack aware What is the block placement policy hadoop follows when rack aware is not enabled? Does it just round robin? Thanks.
