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From Erick Erickson <>
Subject Re: Is Lucene good to maintain metadata in a hierarchical manner?
Date Mon, 22 Mar 2010 15:59:19 GMT
I don't see any problems from your brief description. There are
some considerations if you expect to update the information
really, really, really frequently, but those are discussed
in many threads in the archive....

But without more details on how you want to use the data, it's
pretty hard to answer.


On Mon, Mar 22, 2010 at 9:57 AM, Disc Magnet <> wrote:

> Hi,
> I want to know whether Lucene is good for a situation like this:
> We need to store metadata about various users of our application in this
> format.
> 1. Name
> 2. Time of registration
> 3. Other details
> The users are divided into various classes, e.g. prospective customer,
> customer, employee, etc.
> In a file system approach, one would create a folder for each class
> and put the details of each user as a file in the correct folder.
> Another approach would be to have a file for each class and put the
> details of each user as a record in the file. Then we would run the
> Linux commands like grep, sed, awk, etc. to search through the files
> and select the information we want.
> I am wondering if Lucene is good enough for such a problem. If yes,
> what advantages does it offer over RDBMSes. Also, what is more suited
> to the problem I have mentioned: Lucene or Solr?
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