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From Rob Audenaerde <rob.audenae...@gmail.com>
Subject Re: Lucene update performance
Date Tue, 09 May 2017 13:33:39 GMT
Do you update each entire document? (vs updating numeric docvalues?)

That is implemented as 'delete and add' so I guess that will be slower than
clean sheet indexing. Not sure if it is 3x slower, that seems a bit much?

On Tue, May 9, 2017 at 3:24 PM, Kudrettin Güleryüz <kudrettin@gmail.com>
wrote:

> Hi,
>
> For a 5.2.1 index that contains around 1.2 million documents, updating the
> index with 1.3 million files seems to take 3X longer than doing a scratch
> indexing. (Files are crawled over NFS, indexes are stored on a mechanical
> disk locally (Btrfs))
>
> Is this expected for Lucene's update index logic, or should I further debug
> my part of the code for update performance?
>
> Thank you,
> Kudret
>

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