Re: LMDB database size

2014-02-01 Thread Florian Weimer
* Markus Doppelbauer: Is it possible to mmap() a 20 GB database into the RAM? As far as I understand it, LMDB has no paging layer on its own, so it needs 20 GB of address space. So you need a 64-bit architecture and a system which has not got artificial limits on virtual address space (as some

Antw: Re: LMDB database size

2014-01-27 Thread Ulrich Windl
Howard Chu h...@symas.com schrieb am 25.01.2014 um 19:07 in Nachricht 52e3fd6e.9070...@symas.com: Markus Doppelbauer wrote: Hello, We are using BerkeleyDB since a decade - but we are searching for something more lightweight. LMDB is what we are looking for ... ^^ The small code and the

Re: Antw: LMDB database size

2014-01-27 Thread Quanah Gibson-Mount
--On Monday, January 27, 2014 8:50 AM +0100 Ulrich Windl ulrich.wi...@rz.uni-regensburg.de wrote: Markus Doppelbauer doppelba...@gmx.net schrieb am 25.01.2014 um 16:04 in Nachricht trinity-2ed9e021-7691-4933-90cc-5ecf9e3509d0-1390662285748@3capp-gmx-bs0 7: Hello, We are using BerkeleyDB

Re: Antw: Re: LMDB database size

2014-01-27 Thread Howard Chu
Ulrich Windl wrote: Howard Chu h...@symas.com schrieb am 25.01.2014 um 19:07 in Nachricht 52e3fd6e.9070...@symas.com: Markus Doppelbauer wrote: Hello, We are using BerkeleyDB since a decade - but we are searching for something more lightweight. LMDB is what we are looking for ... ^^ The

Antw: LMDB database size

2014-01-26 Thread Ulrich Windl
Markus Doppelbauer doppelba...@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

LMDB database size

2014-01-25 Thread Markus Doppelbauer
Hello, We are using BerkeleyDB since a decade - but we are searching for something more lightweight. LMDB is what we are looking for ... ^^ 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

Re: LMDB database size

2014-01-25 Thread Howard Chu
Markus Doppelbauer wrote: Hello, We are using BerkeleyDB since a decade - but we are searching for something more lightweight. LMDB is what we are looking for ... ^^ The small code and the benchmark-results are very impressive! A question: We have a server with 4 GB RAM. One of the