Re: [Exist-open] Experience report with eXist-db 1.4 and Lucene indexes

[Henry N. <hen...@gm...>]

Thanks Wolfgang,

I increased the buffer size to 128 and iindexing speed increased 10%
from 10 to 9 minutes.  This was from the admin client.

Henry


On Thu, Nov 19, 2009 at 2:35 AM, Wolfgang Meier <wol...@ex...> wrote:
> Hi Henry,
>
> thanks for the report. One addition: in eXist 1.4 final, I added
> another configuration parameter buffer="nn" to the lucene index
> configuration:
>
> <module id="lucene-index"
> class="org.exist.indexing.lucene.LuceneIndex" buffer="32"/>
>
> The parameter determines the amount of memory (in MB) used by Lucene
> for buffering index data before it is written to disk. Increasing this
> may reduce disk IO and speed up the indexing. I have not tested it
> systematically yet. My initial testing showed a small performance
> increase, though smaller than expected.
>
> Wolfgang
>