Hello, I havn't set up any SSD-based OpenLDAP installations, in most cases I use Storage LUNs for that, but I don't know/care what kind of disk giving me the space. Sorry. :)
If you think of syncrepl, do you imply installing two openldap servers on one local machine? You should setup this construct. :) Bye. On Tue, Oct 19, 2010 at 11:09, Frank Bonnet <[email protected]> wrote: > > Perhaps running syncrpl between ramdisk and hardisk ? > > > > On 10/19/2010 11:00 AM, Benjamin Griese wrote: > > Hi Frank, > > by rsync to hdd, do you mean copying the db files or slapcat the > output to a file? > The first one seems to be a db killer if the db is in use while copying it. > :) > I think the only safe way is by doing a slapcat after every write to > the db (accesslog?). > > Anyway, sounds like a nice idea to me to get a big performance boost. > Have you considered SSDs instead of ramdisks? > Imo its the more safe and nearly as fast as ramdisk alternative. :) > > Bye, Benjamin. > > On Tue, Oct 19, 2010 at 10:40, Frank Bonnet <[email protected]> wrote: > > Hello > > I'm thinking to put db files in RAM instead of hard disk > for performance reasons. > > FreeBSD ( and Linux thought ) provide some utility to build > RAMDISK ( md ) > > I did some tests in rebuilding db files with the slapcat/slapadd > commands > > with RAMDISK > > ldap3# time slapadd -l test.ldif > /usr/local/etc/openldap/slapd.conf: line 110: rootdn is always granted > unlimited privileges. > #################### 100.00% eta none elapsed 20s spd 633.9 > k/s > > WITH HARDDISK > > ldap3# time slapadd -l test.ldif > /usr/local/etc/openldap/slapd.conf: line 110: rootdn is always granted > unlimited privileges. > #################### 100.00% eta none elapsed 04m22s spd 48.4 > k/s > > Does anyone runs production servers with ramdisk ? > > I know it is risky but running rsyncd between ramdisk and a hardisk depot > would be safe huh ? > > Thanks for any advices > > > > > -- To be or not to be -- Shakespeare | To do is to be -- Nietzsche | To be is to do -- Sartre | Do be do be do -- Sinatra
