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| From | Owen O'Malley <omal...@apache.org> |
| Subject | Re: How to write a complex Writable |
| Date | Sat, 22 May 2010 22:12:31 GMT |
On May 22, 2010, at 2:09 PM, Oded Rosen wrote: > *. Override Object's "*equals*": compare all available fields (deep > compare), check unique fields first, to avoid checking the rest. You should implement equals, but more important for keys is to define a RawComparator for your type. If you don't define one, the framework will de-serialize your type a *lot*. Look at one of the writables like IntWritable or Text for how to register your comparator. -- Owen | |
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