Unfortunately, I'm not able to batch the updates. The application needs to make some descisions based on what each document looks like before and after the update, so I have to do it one at a time.
Are these decisions dependent on other documents? If not, you should be able to queue the updates and apply them as a batch, no?
I guess this is not a common useage scenario for Lucene. Otherwise, an update() might already be built in somewhere.
Rather, Lucene's API makes it convenient to do what is efficient, and less convenient to do what is inefficient. Batching is inherently more efficient.
Is there anything in the locking/sync framework which precludes saving the cost of closing the Directory object and deleting the temp lock file each time an update is made?
You could disable locking, but I doubt it will make it much faster.
Doug
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