lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Erick Erickson <erickerick...@gmail.com>
Subject Re: how do lucene read large index files?
Date Wed, 23 Nov 2016 15:47:01 GMT
see Uwe's blog:
http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html

Short form: files are read into the OS's memory as needed. the whole
file isn't read at once.

Best,
Erick

On Wed, Nov 23, 2016 at 12:04 AM, Kumaran Ramasubramanian
<kums.134@gmail.com> wrote:
> Hi All,
>
> how do lucene read large index files?
> for example, if one file (for eg: .dat file) is 4GB.
> lucene read only part of file to RAM? or
> is it different approach for different lucene file formats?
>
>
> Related Link:
> How do applications (and OS) handle very big files?
> http://superuser.com/a/361201
>
>
> --
> Kumaran R

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


Mime
View raw message