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HDFS >> mail # user >> Re: WritableComparable.compareTo vs RawComparator.compareTo


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Re: WritableComparable.compareTo vs RawComparator.compareTo
Hi Adeel,

    The RawComparator is the fastest between the two as you avoid the need
to convert the byte stream to Writable objects for comparison .

Regards
Ravi Magham
On Fri, Aug 30, 2013 at 11:16 PM, Adeel Qureshi <[EMAIL PROTECTED]>wrote:

> For secondary sort I am implementing a RawComparator and providing that as
> sortComparator .. is that the faster way or using a WritableComparable as
> mapper output and defining a compareTo method on the key itself
>
> also what happens if both are defined, is one ignored
>