Mailing-List: contact java-user-help@lucene.apache.org; run by ezmlm
Precedence: bulk
Reply-To: java-user@lucene.apache.org
Received-SPF: pass (nike.apache.org: domain of simon.willnauer@googlemail.com
 designates 209.85.220.228 as permitted sender)
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=googlemail.com; s=gamma;
        h=mime-version:reply-to:in-reply-to:references:date:message-id
         :subject:from:to:content-type;
        b=HWS0V+tqSF+85SjgVx9+z0/MS7i1nZ/HS7S1q10JwwetrT1m3O/Z4FeEoJNRTdCGEq
         PnVBorEAeO5/e/GJoxD1ADVGoJUQr/u5uhEePPpSj4s2IvhG0AFgstNuv2wh3FEAO02R
         VPOgcBiJ7kUlnmB6yFrt9dAIiVKHFAHQKsW6U=
MIME-Version: 1.0
Reply-To: simon.willnauer@gmail.com
In-Reply-To: <359a92830911141558i52364c0cn8d6c80861e3c00d2@mail.gmail.com>
References: 
 <E3137F97B0A0804194F369F4E7C3B7192C2DC9CD87@EXCHANGE.persistent.co.in>
	 <359a92830911141558i52364c0cn8d6c80861e3c00d2@mail.gmail.com>
Date: Sun, 15 Nov 2009 01:03:48 +0100
Message-ID: <f18c9dde0911141603o2481e326r2d29510833e7e074@mail.gmail.com>
Subject: Re: Max number of open IndexWriters
From: Simon Willnauer <simon.willnauer@googlemail.com>
To: java-user@lucene.apache.org
Content-Type: text/plain; charset=UTF-8

In general you should only use one single writer and use it with
multiple threads. IndexWriter is optimized for concurrency and fully
thread-safe. Is that what you trying to achieve?

otherwise I would 100% agree with eric not knowing of a use-case.

simon

On Sun, Nov 15, 2009 at 12:58 AM, Erick Erickson
<erickerickson@gmail.com> wrote:
> Hmmm, why would you want to do this? What problem are
> you trying to address with so many readers?
>
> I ask because I'm having a hard time thinking of a reasonable
> use-case.
>
> Best
> Erick
>
> On Sat, Nov 14, 2009 at 11:35 AM, Hrishikesh Agashe <
> hrishikesh_agashe@persistent.co.in> wrote:
>
>> Is there any limit on how many IndexWriter can I keep open at same time?
>> What does it depends on (RAM?) Can I keep 100 or 200 IndexWriters open in
>> say HashMap and use them as I process documents?
>>
>>
>> DISCLAIMER
>> ==========
>> This e-mail may contain privileged and confidential information which is
>> the property of Persistent Systems Ltd. It is intended only for the use of
>> the individual or entity to which it is addressed. If you are not the
>> intended recipient, you are not authorized to read, retain, copy, print,
>> distribute or use this message. If you have received this communication in
>> error, please notify the sender and delete all copies of this message.
>> Persistent Systems Ltd. does not accept any liability for virus infected
>> mails.
>>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org