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Continuuity release Weave to help Hadoop YARN devs

Chris Mayer
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The components of Hadoop 2.0 are coming together nicely. Continuuity aim to make the learning curve easier for YARN with their newest tool.

With the next major
iteration of Hadoop (2.0) tentatively set for a

summer release
, the last few months have
seen a number of vendors unveil their next-generation data
processing strategies.

Most of the boasting up until this point had
focused on the querying side, with companies opting to renovate
Apache Hive or by introducing new projects entirely. Nobody had
really talked about the new ‘beyond batch’ workload manager


YARN
, outside of announcing it as the
centrepiece of Hadoop 2.0.

Continuuity, a Hadoop application server
startup

we profiled last December
,
has offered up the first tool to reinforce YARN,
with the release of Weave. The project provides Java developers
with a simplified API for building distributed YARN applications,
allowing users to manage resources, jobs and nodes built on YARN.
Alongside this, Weave also contains a “Generic Application Master”
supporting simple apps, as well as log and metric aggregation and
archive management.

According to Continuuity CTO Jonathan Gray,
Weave is just one part of the company’s “mission to make building
Big Data applications easier”.

“With the release of Weave, we’re supporting an
increasingly diverse set of real-time application patterns to spur
innovation in the Hadoop ecosystem,” the co-founder added in a
press release.

The project has already received
a blessing from Hortonworks co-founder Arun
Murthy,
who said he was “thrilled” that
Continuuity are making the entry level to YARN easier.

“We developed Apache Hadoop YARN to support a
wide set of use cases in a generic manner, and it is very important
to make it easy for developers to exploit the features and
capabilities of YARN,”
Murthy explained in a
statement.
“We are excited to see the new types of
applications that can be built on YARN using Weave.”

Weave is now available on Github
under an Apache 2.0 license. In the runup to YARN’s arrival
with Hadoop 2.0, we might see more members of the supporting cast
appearing shortly, designed to make the learning curve far easier
to scale.

Image courtesy of fauxto_digit

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