MINOR: Fixed broken link to the IBM article about j-zerocopy
Reviewers: Jason Gustafson
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This combination of pagecache and sendfile means that on a Kafka cluster where the consumers are mostly caught up you will see no read activity on the disks whatsoever as they will be serving data entirely from cache.
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- For more background on the sendfile and zero-copy support in Java, see this <a href="http://www.ibm.com/developerworks/linux/library/j-zerocopy">article</a>.
+ For more background on the sendfile and zero-copy support in Java, see this <a href="https://developer.ibm.com/articles/j-zerocopy/">article</a>.
<h4><a id="design_compression" href="#design_compression">End-to-end Batch Compression</a></h4>
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