Re: [Discuss] easy clustering of applications

2014-04-02 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Tom Metro Edward Ned Harvey (blu) wrote: Tom Metro wrote: It does seem like every application has its own unique approach to clustering. There is no generalized solution.

Re: [Discuss] easy clustering of applications

2014-04-02 Thread Bill Bogstad
On Wed, Apr 2, 2014 at 7:02 AM, Edward Ned Harvey (blu) b...@nedharvey.com wrote: From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Tom Metro Edward Ned Harvey (blu) wrote: Tom Metro wrote: It does seem like every application

Re: [Discuss] easy clustering of applications

2014-04-02 Thread Richard Pieri
Bill Bogstad wrote: An application that does little IO, has a high memory footprint, and modifies all of it between IO requests would make for very expensive checkpointing. Every checkpoint could require transferring multiple gigabytes of modified RAM. A CPU can dirty RAM way faster then

Re: [Discuss] easy clustering of applications

2014-04-01 Thread Edward Ned Harvey (blu)
From: discuss-bounces+blu=nedharvey@blu.org [mailto:discuss- bounces+blu=nedharvey@blu.org] On Behalf Of Tom Metro It does seem like every application has its own unique approach to clustering. There is no generalized solution. This is one of the reasons why I'm much more strongly

Re: [Discuss] easy clustering of applications

2014-04-01 Thread Tom Metro
Edward Ned Harvey (blu) wrote: Tom Metro wrote: It does seem like every application has its own unique approach to clustering. There is no generalized solution. This is one of the reasons why I'm much more strongly inclined toward HA at the hypervisor. ...if you do HA at the hypervisor,

Re: [Discuss] easy clustering of applications

2014-03-31 Thread Bill Ricker
On Mon, Mar 31, 2014 at 5:33 PM, Tom Metro tmetro+...@gmail.com wrote: It does seem like every application has its own unique approach to clustering. or, for legacy applications, their own assumptions that need to be worked around with kludges to repackage for HA. -- Bill @n1vux