965 karma · joined June 26, 2011
This is where LLDP comes in handy. Run an LLDP agent on each node and enable LLDP on the switch access ports. Then it's just a matter of the NameNode fetching LLDP neighbor information from the switch (usually by using SNMP) and updating it's Rack Awareness.
(Disclaimer: I know nothing about Hadoop...)
(Not that I wouldn't mind a Kinesis, but those weren't available when I really needed one).
Oracle cares about making money and protecting their revenue stream. Getting Lodsys of the backs of their customers is one way of doing that.
Go to England and you won't see trash cans in train stations at all.
Which is where it fails to be as useful as TextMate or Eclipse. I spend a lot of time jumping around directories when exploring new codebases or working in my Rails and Chef projects, just showing one dir doesn't cut it.
I've used a pair of them since 2005 for office work and for serious front-of-house mixing. They sound great and hold up great.