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In Pictures: Facebook’s most important open source...
Released for open source this past November, Corona is the result of Facebook’s attempt at “fixing” Hadoop. Corona tries to make Hadoop more efficient, more scalable and more available by re-inventing how jobs are scheduled. It’s unclear why this wasn’t given back to the Apache Hadoop community, but, in either case, Corona is a welcome gift to the open source community at large.
In Pictures: Facebook’s most important open source projects