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From "Eugene Gluzberg" <drag...@apache.org>
Subject Re: What JDK level should lucene code be compatible with?
Date Thu, 16 May 2002 18:01:56 GMT
Lets get 1.2 out first :).

----- Original Message -----
From: <cutting@lucene.com>
To: <lucene-dev@jakarta.apache.org>
Sent: Thursday, May 16, 2002 1:51 PM
Subject: RE: What JDK level should lucene code be compatible with?


> > From: Andrew C. Oliver
> >
> > Eric Fixler wrote:
> >
> > > When adding/fixing code in the main source tree?
> >
> > We did hold a poll of users on this some months ago  and everyone who
> > responded said 1.2.
>
> Yes, but since then I've seen folks mention that they're using Lucene in
JDK
> 1.1, e.g.:
>
>
http://nagoya.apache.org/eyebrowse/ReadMsg?listName=lucene-user@jakarta.apac
> he.org&msgId=117018
>
> > Shall we hold a committer vote?  If we
> > up our JDK we can use more efficient collections!
>
> I wouldn't expect big performance improvements.  Someone could experiment
by
> switching things to use, e.g. HashMap instead of Hashtable, and ArrayList
> instead of Vector, but all that would really be saved is some unneeded
> synchronization, and synchronization overhead is pretty low in JVMs these
> days.
>
> If someone can demonstrate that there is appreciable performance
> improvement, that would be a strong reason to remove JDK 1.1
compatibility.
>
> Doug
>
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