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From Erdinc Yilmazel <erdincyilma...@gmail.com>
Subject Re: Can I run Lucene in google app engine?
Date Mon, 13 Apr 2009 09:20:39 GMT
I looked at the lucene source code out of curiosity to see if it
spawns threads in indexing/searching and saw that it does. Are you
sure it is going to work even if the index is read only?

Erdinc

2009/4/13 Noble Paul നോബിള്‍  नोब्ळ् <noble.paul@gmail.com>:
> On Mon, Apr 13, 2009 at 1:10 PM, Chris Lu <chris.lu@gmail.com> wrote:
>> Surely it's possible, but it has too much limitations to prevent a scalable
>> Luceen usage. However, it depends on your requirement.
>>
>> 1) You can not write index on disk, but you can read files. So theoretically
>> if the index is read-only and small, you can package it with the war file.
> I can probably write the whole index as  Blob and read it and serve
> the index from RAM. This index can be loaded once in the start time
> and i can setup a cron task to see if it got updated
>>
>> 2) If you need to update the index, you will have to store the index with
>> Google's data store, just like store an index into databases. Sure it'll
>> work. But performance would suffer because of transferring the whole index
>> into memory, then really start searching. On the other hand, this could be a
>> good solution for small index with per-user data.
> as you said this is a solution if the index size is small
>
>>
>> 3) For large changing indexes, you need to find other solutions to maintain
>> lucene index.
>>
>> My personal opinion is, finding a $20/month VPS hosting is far easier than
>> changing the way to code.
>
> The point is ,does Lucens use threads internally which the sandbox disallows
>
>>
>> --
>> Chris Lu
>> -------------------------
>> Instant Scalable Full-Text Search On Any Database/Application
>> site: http://www.dbsight.net
>> demo: http://search.dbsight.com
>> Lucene Database Search in 3 minutes:
>> http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes
>> DBSight customer, a shopping comparison site, (anonymous per request) got
>> 2.6 Million Euro funding!
>>
>>
>> Noble Paul ??????? ?????? wrote:
>>>
>>> Is it possible to run Lucene in google app engine? has anyone tried it?
>>>
>>>
>>>
>>>
>>
>>
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>>
>
>
>
> --
> --Noble Paul
>
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