“As we move from ?tens? to ?hundreds? to ?thousands? of nodes in
a typical data centre we need new tools and practices. This
hyperscale story ? of hyper-dense racks with wimpy nodes ? is the
big shift in the physical world which matches the equally big shift
to cloud computing in the virtualised world. Ubuntu?s popularity in
the cloud comes in part from being leaner, faster, more agile. And
MAAS ? Metal as a Service ? is bringing that agility back to the
physical world for hyperscale deployments….That?s where Metal as a Service (MAAS) comes in. MAAS makes it
easy to set up the hardware on which to deploy any service that
needs to scale up and down dynamically ? a cloud being just one
example. It lets you provision your servers dynamically, just like
cloud instances ? only in this case, they?re whole physical nodes.
?Add another node to the Hadoop cluster, and make sure it has at
least 16GB RAM? is as easy as asking for it.
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