1
vote
1answer
268 views

Changing ulimit on ubuntu 12.04 Never works

I am working with hadoop and need to change number of open files ulimit -n. I have seen similar questions on stackoverflow and elsewhere and have tried everything in those answers, but it still does ...
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1answer
136 views

Setting up multiple Hadoop clusters [closed]

Hopefully this question isn't off topic. I asked this on AskUbuntu but haven't gotten a responses: I've followed Michael Noll's excellent guide to get Hadoop set up on a single cluster: ...
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1answer
134 views

Hadoop CDH4 Evaluation: Which Ubuntu would be preferred? Lucid or Precise [closed]

I'm setting up a CDH4 in AWS for evaluation (we already have a CHD3 running on Ubuntu Lucid) and I'd like advice regarding any known gotchyas that I'd be likely to encounter if running it on Lucid vs. ...