[hibernate-dev] Re: HSearch : new feature "blackhole" backend

Emmanuel Bernard emmanuel at hibernate.org
Sat Mar 7 11:10:14 EST 2009


ok
Not sure if perf testing is relevant though :)

On  Mar 7, 2009, at 08:15, Sanne Grinovero wrote:

> Hi,
> I've implemented a really trivial new backend (can be configured to
> replace the jms or lucene backends)
> called "blackhole" as the same named MySQL engine
> (http://dev.mysql.com/doc/refman/5.0/en/blackhole-storage- 
> engine.html).
>
> It doesn't to anything :-P , and that's why it's useful!
> When replacing the default backend with it I can do some performance
> measures and profiling in hibernate search disabling the actual
> writing to an index;
> this was initially not meant to become a "feature" but was only a tool
> of mine to figure out some stats.
>
> I was thinking now that other people may find it useful to test
> settings and fine tune configurations, mostly to answer
> the question "why is it slow?". This way you can tell them "not
> because of indexing..." (writing at least).
> Do you think it could be useful to have this committed to trunk? I'll
> give it a short name "blakhole".
>
> Sanne




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