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http://issues.apache.org/jira/browse/HADOOP-611?page=comments#action_12443910 ]
Owen O'Malley commented on HADOOP-611:
--------------------------------------
I forgot that we want these key/value pairs to stay "raw". So how about:
interface RawKeyValueIterator {
DataOutputBuffer getKey();
ValueBytes getValue();
boolean next() throws IOException;
long getTotalBytes();
}
With the other changes proposed in HADOOP-331, we should make the merge look
like:
RawKeyValueIterator merge(List<RawKeyValueIterator> inputs) throws IOException;
The getTotalBytes can be used in the merge to decide which pieces should be
merged first. See the discussion on HADOOP-591.
> SequenceFile.Sorter should have a merge method that returns an iterator
> -----------------------------------------------------------------------
>
> Key: HADOOP-611
> URL: http://issues.apache.org/jira/browse/HADOOP-611
> Project: Hadoop
> Issue Type: New Feature
> Components: io
> Reporter: Owen O'Malley
> Assigned To: Devaraj Das
> Fix For: 0.8.0
>
>
> SequenceFile.Sorter should get a new merge method that returns an iterator
> over the keys/values.
> The current merge method should become a simple method that gets the iterator
> and writes the records out to a file.
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