Antw: LMDB database size

["Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de>]

>>> "Markus Doppelbauer" <doppelbauer@gmx.net> schrieb am 25.01.2014 um 16:04 in
Nachricht
<trinity-2ed9e021-7691-4933-90cc-5ecf9e3509d0-1390662285748@3capp-gmx-bs07>:
> Hello,
>  
> We are using BerkeleyDB since a decade - but we are searching for something
> more lightweight. LMDB is what we are looking for ...  ^^

??? More lightweight? Last time I used Sleepycat DB, the extra size for the binary was about 1MB...

> The small code  and the benchmark-results are very impressive!
>  
> A question: We have a server with 4 GB RAM. One of the BerkeleyDB-files has
> about 20 GB.This particular database is a kind of archive - hardly read and 
> hardly
> written (maybe once per minute).
> Is it possible to "mmap()" a 20 GB database into the RAM? If yes, will the 
> server
> start "swapping"?
>  
> Thanks a lot
> Markus