[KinoSearch] Search while indexing

[Marvin Humphrey]

On Aug 23, 2007, at 7:54 PM, Terence Kwan wrote:

> Is it possible to do search while indexing?
>
> I have one process which is updating and indexing the directory  
> (which takes about 15 minutes every hour) - open_index, add, add,  
> add, ... close_index.

If you're building the index from scratch, then as soon as you  
clobber the existing index, no new Searchers can be created until the  
build completes.  You may wish to build in another directory, then  
swap it into place.

Another possibility, so long as you are not on NFS, is to open a  
Searcher in a persistent application; it will hold open the necessary  
filehandles as long as it is alive, and the files will truly be  
reclaimed by the OS only after the last Search object referencing  
them is destroyed.

Marvin Humphrey
Rectangular Research
http://www.rectangular.com/



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