Greetings,
I'm playing without MultiMaster, and I was wondering if --backup is really
needed.
As far as I have observed, masters race to be the active one. Is there any
drawback in not mentioning --backup on additional nodes ?
Regards,
--
Manuel DE FERRAN
I've run HBase from version 0.90.2 to our current 0.94.6 (CDH 4.3) and have
never specified a --backup option on any of my commands with regard to the
master. You're correct that they race to be active, and failover is
completely automatic in the case of one master going down.
TBH I've never
The problem with having a bunch of master racing is that it's not evident
for the operator who won, so specifying --backup to all but one master
ensures that you always easily know where the master is.
Relevant code from HMaster.java:
// If we're a backup master, stall until a primary to
