Questions tagged [hadoop]

Hadoop is an open-source solution for providing a distributed/replicated file system, a produciton grade map-reduce system, and has a series of complementary additions like Hive, Pig, and HBase to get more out of a Hadoop-powered cluster.

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9 votes
4 answers
22k views

Hadoop JBOD disk configuration on HP Smart Array 410/i disk controller

I'm in a evaluation phase of some hw that could be used for setting up a hadoop cluster. This hw is refurbished (hp G6 servers w/ Smart Array 410/i controller) and probably we should/must use it... we ...
nysalsa's user avatar
  • 91
2 votes
1 answer
3k views

Raspberry Pi based Hadoop cluster [closed]

Is it at least possible to build Hadoop cluster from Raspberry Pi-based nodes? Can such a cluster meet hardware requirements of Hadoop? And if so, how much Raspberry Pi nodes are required to meet ...
Dmitriy Sukharev's user avatar
1 vote
1 answer
1k views

zfs for Hadoop cloud instead of ext4 [closed]

Right now I have couple of linodes with ext4. I have a hadoop setup. What benefit would I get if I migrate my file system from ext4 to zfs. Will there be any benefit in response times? Any speed ...
M-BoB's user avatar
  • 11
1 vote
1 answer
2k views

Are the Hadoop {start|stop}-all.sh scripts typically used w/ cloudera 3 clusters, and if so, how?

I've got a cluster I'm setting up Cloudera 3 on, and it is unclear on whether I should be using these start/stop scripts like I used to with the standard Apache Hadoop setup (where I had a specific ...
Dolan Antenucci's user avatar