Tagged Questions
9
votes
4answers
1k views
DIY Hadoop Cluster - Heat & Dust issues?
Following are links of my DIY 6-Node Hadoop Cluster using i3 Machines,
What is the best possible way to protect my design from dust & provide better heat transfer? What should I use to cover ...
0
votes
0answers
35 views
For a new Cluster - Should I use Hadoop distro or Install individual tools manually?
I'm in the process of setting up a small to medium size Hadoop cluster, and was wondering the approach I should be taking. I've looked into different community distros (Cloudera and MapR), and also ...
1
vote
1answer
80 views
Most secure way to issue commands on ubuntu cluster with sudo'ing user?
This is sort of a follow-up question to an unanswered question I have regarding administration of Cloudera cluster, but I figure generalizing the question to all of Ubuntu may help me get an answer.
...
1
vote
2answers
193 views
Does hadoop take care of different node HD size alone?
I have a single node (pseudo-distributed config) and I'm considering adding a 2nd slave node.
Does it matter if the slave has less HD capacity ? Will the rebalance take of that for itself. I'm not an ...
2
votes
1answer
167 views
Is there a way to get a list of Hadoop cluster machines from one of the data nodes?
I have access to a data node in a Hadoop cluster, and I'd like to find out the identity of the name nodes for the same cluster. Is there a way to do this?
2
votes
1answer
210 views
Management of available file descriptors within a Hadoop cluster
I'm currently in charge of a rapidly-growing Hadoop cluster for my employer, currently built upon release 0.21.0 with CentOS as the OS for each worker and master node. I've worked through most of the ...
2
votes
2answers
2k views
hadoop - datanode decommission
I want to remove nodes from my cluster gracefully. I added the following to my hadoop-site.xml:
<property>
<name>dfs.hosts.exclude</name>
...
4
votes
4answers
1k views
Hadoop cluster. 2 Fast, 4 Medium, 8 slower machines?
We're going to purchase some new hardware to use just for a Hadoop cluster and we're stuck on what we should purchase. Say we have a budget of $5k should we buy two super nice machines at $2500/each, ...
