Re: Re: another fix for max_input_vars.

On Thu, Jan 5, 2012 at 3:57 PM, Rasmus Lerdorf <rasmus@lerdorf.com> wrote: > On 01/04/2012 11:49 PM, Laruence wrote: >> Hi: >>   there is one way  maybe is a good try. >> >>   when resize hashtable,  we don't just dobule the size,  instead, we >> increase the hashtable size with a random delta >> >>  what do you think? > > Sorry, you lost me. How does that help? The problem is when we collide > on a single hash key the resulting linked list traversion gets longer > and longer as more colliding keys are added to that hashtable. Whether > you double the size or grow it by some other factor doesn't change this. No, No, if we increase the table size with a random delta(the nTableMask will also be random), then the collision will not be predictable. thanks > > -Rasmus > -- Laruence  Xinchen Hui http://www.laruence.com/