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From Sanne Grinovero <>
Subject Re: Lucene -- Working with dynamic data
Date Fri, 13 Nov 2015 17:48:42 GMT
Sorry to revive this old thread, just catching up and couldn't resist

I can't name customers but there's actually many companies with proper
"professional engineers" like the ones you mention, and even some of
those you mention, which actually use Lucene for such purposes.
Including many use Hibernate Search, like Prathib in the original

To answer the original question, if it's still useful:
Hibernate Search doesn't allow a "delete by query" as there are
various consistency risks when it comes to distribution and
transaction handling, but it does allow a "delete by term". You could
just label all your indexed documents with a non-tokenized "date"
field, and periodically run a delete query by Term on the past days;
that should be very efficient.

I'll be happy to implement also a "delete by range query"
functionality; similarly to the TermQuery that's a safe option
although not implemented yet.


On 2 September 2015 at 09:42, Will Martin <> wrote:
> Then again you could revisit the decision to use Lucene and look at OSS Network Management
solutions. Of course if your events aren't under governance of some kind, I can understand
why you want a search engine. FWIW: I can't imagine a professional system engineer at AOL/MicroSoft/Comcast
or any other place I've worked not looking at me sideways if I built alerting that needed
a search engine instead of industry standard (proprietary and open source) system engineering
> G'luck
> Will
> -----Original Message-----
> From: Charlie Hull []
> Sent: Wednesday, September 02, 2015 3:21 AM
> To:
> Subject: Re: Lucene -- Working with dynamic data
> Hi Prathib,
> As this is a monitoring application, have you considered a stored search solution? We
created Luwak (based on Lucene) for exactly this purpose:
> - note that Luwak will (very shortly) build with
Lucene 5.3 rather than the fork we created, as the requisite features are now in a release
build of Lucene.
> Cheers
> Charlie
> On 2 September 2015 at 00:46, Prathib Kumar <> wrote:
>> Hi,
>> We have been using the hibernate search(internally uses Lucene) and
>> Apache Lucene in your project. Our Application is a Network Management
>> Application. We would be getting the Alarms,Traps,Clients(like mobile
>> devices, laptops in a network),etc.. in the network.
>> Basically these data are very dynamic in nature. Our Search in the
>> application would search for any of these Alarms,Traps,Clients,etc...
>> Over a period of time, there will be lot of records available and the
>> older one doesnt make sense to search and list.
>> Hence the data older than a day would be pruned through the sql
>> queries and not through hibernate to make the things faster. Now What
>> we did is, rather than updating the index, we just delete the older
>> index and rebuild the entire index again so that its faster w.r.t to both searching
and indexing.
>> But to index, it takes around 10-15 mins to reindex the whole data.
>> Now the question is, Is there any standard solutions to address this
>> kind of problem ?
>> How do we deal with the dynamic data with lucene where-in we need to
>> prune the records in the database ???
>> Any suggestions ??
>> Regards
>> Prathib Kumar.
>> Regards
>> Prathib Kumar.

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