Hello Don, On Fri, 11 May 2012 09:26:01 -0400 Don Zickus <dzickus at redhat.com> wrote: > > Thank you for your reply, Don, Vivek. > > > > As Don said, I tried to change the method to exclude free pages and > > planed to resolve the memory consumption issue after it, because > > parsing free list repeatedly may cause a performance issue. > > > > However, I'm thinking that to fix the size of memory consumption is more > > important than to resolve a performance issue for large system. > > > > So I'm afraid that I would like to change the plan as: > > > > 1. Implement "iterating filtering processing" to fix the size of memory > > consumption. At this stage, makedumpfile will parse free list repeatedly > > even though it may cause a performance issue. > > > > 2. Take care of the performance issue after the 1st step. > > Hello Atsushi-san, > > Hmm. The problem with the free list is that the addresses are in random > order, hence the reason to parse it repeatedly, correct? Yes. > I figured, now that you have a solution to parse the addresses in a linear > way (the changes you made a couple of weeks ago), you would just continue > with that. With that complete, we can look at the performance issues and > solve them then. > > But it is up to you. You are willing to do the work, so I will defer to > your judgement on how best to proceed. :-) What I wanted to tell you was I want to resolve the memory consumption issue as soon as possible. In other words, I think the method to exclude free pages is not so important. I'll continue to work with the method which is easy to implement. Thanks Atsushi Kumagai
