[SGVLUG] Software-Based Load Balancer?

[Ted Arden]

lvs?  been around for ever.

On Tue, 4 Apr 2006 sean at seanodonnell.com wrote:

> Hi All,
>
> Has anyone tried any software-based Load Balancers?
>
> My web server (@ home) has been running pretty sluggish for the past few days,
> and it appears to be a RAM issue...
>
> Mem:    515444k total,   510692k used,     4752k free,     3468k buffers
>
> I've optimized all running (server application) processes to the minimal of my
> requirements, but it's still at < 5000k/free, so I'll be adding another 512mb
> stick to relieve the suffering for now.
>
> I'd (ideally) like to setup a (poor-man's) load-balanced environment, but I have
> to do more research before I go mangling my network infrastructure.
>
> I found the following project, but have never heard of anyone using it (or any
> other software-based load balancers for that matter), so I wasn't sure if I
> should consider it or not...
>
> Pure Load Balancer - A free high-performance (software-based) load balancer for
> Unix. http://plb.sunsite.dk/
>
> I've heard good and bad (some even horror) stories about software-RAID, so I was
> curious as to the pros/cons of using a software-based Load Balancer for Apache.
>
> Anyone have any input to share?
>
> Thanks,
>
> Sean O'Donnell
> South Pasadena, CA
> sean at seanodonnell.com
> http://seanodonnell.com
>
> -----BEGIN PGP PUBLIC KEY BLOCK-----
> Version: GnuPG v1.2.7 (GNU/Linux)
>
> mQGiBEP1ijERBADFEmXylj3od7xgVTCxQr9W9ya0Zu9UzATgXD5eFoZDUS9wOy6F
> 7MB0mbL5pylow1T0xMZCDwpQHObZu/L6c6iplE6p0piExD0XuQ/CruEYu62Mc3g4
> /6Seukq16DbwKOJ9y8N/vIEPf43+R5YP50nw7JgBdPLFlml9/ZxZ/ERDRwCg225p
> szvGPUzyH+6352BXDp8qyhkEAJoHhPvteTrZ1IEDFcx0VpxdgwSmVtYbPTdxp6sp
> s3hoMzJnUpHnfGeSi8MpDPJhxvRGSV9Y7HtYMsfP5c+ms/BW40xA8oiZxKjtneeV
> x8Q2K5vxhd4EO/f7Qa+IEnvHLcwCb3DkzL4uXUuPD69Jpgcp1djZHl+CPhpEHU5u
> W9jUA/0b/HJoAtHJU0xE46rd/2bQlSzFNT1vpj/Ajj9HU7Uo7g+nAilRoQri3dlI
> AJE8OLlIZSSi5ql8nMTTHcEQDdEkA3d2WXamAfEjimxrFm2rDPOJj57XP4ueJWgP
> KaFXL4BCiOXauA/88CBai6nAsQlbm2CtVvW0RBGVI4izRF35t7Q5U2VhbiBPJ0Rv
> bm5lbGwgKFNlYW4ncyBHbnVQRyBLZXkpIDxzZWFuQHNlYW5vZG9ubmVsbC5jb20+
> iF4EExECAB4FAkP1ijECGwMGCwkIBwMCAxUCAwMWAgECHgECF4AACgkQCUrh+ax2
> kDVkZACfcI8h0DX+WgFby9LHyfRKe2OYPm0AoNZP+ZAjPX5Hk/mUzlz/cHMIIubs
> uQINBEP1ikAQCACcHG3bQ1kkj25h2FufFbgaDydO2aZ40OHPVjBlFCut/DJeTs2q
> Zf7sVKrpXVQ5ck9wvY6LldMsSa95Ybz18O/RVscC9we7AB/SAVbUqIuQPYIvwSMS
> kZRxD/6CT/pQSZw7c1evlm/8hXQGAZr7qti4zVyHZf1c4hcf0JqArhfEE5C1Dzp0
> cfSSmYLqQ4kEiC/5JIlK24iqenme8TnVQqN2ULwoTiTopsxUihlW9yWlYnxxJBDk
> 0XSHLiYktfQ+IsjCYeJeO4DUpXhTW7G2W2yGUHPWIgSqpMZFPxIu3TduCqq+SCXF
> efsv1Cy2FwVNVMYvfjSn4K2OK+RwmgMbTrjHAAMFB/9lZwzuqvnurHP07WL/0jIy
> PhzzqE4uCmHmw0t4vA9sBEB+fx/ADA/t3uleuf81dMV/R3RabVUj42Z7I81uhu4/
> Wc7Ujctg6yYMr+2ue7aXfyrOhR3XTQp59b/8/KZBcDGumm0mPTo3EBRF0vHQf+jk
> apLuljF+GQhFpLaRnjhNh8XIuTul2TmKZT1Z+DJmkP5E24GFG4LOZCb2DUG+wvWe
> L6OhY6Z+MbuvhcxGDDrNGvDfMgd0FWD+BN8fbS1LY1zjIoyOPq2fiifaNF8dIog7
> 2qj2bWBWdWxAYoZy0HZFK0mnu2kiKsiLgQoNLhjdsq6opucmv1P0gpT2hW9gtVCP
> iEkEGBECAAkFAkP1ikACGwwACgkQCUrh+ax2kDWqxQCggj37GDxK1EPJqFwa4cGU
> rUH6W0kAniC0Qhz97JSjgGo78Y5Xe90MdnJs
> =L+tw
> -----END PGP PUBLIC KEY BLOCK-----
>