You you send us explain of that query.
On Sun, Jul 11, 2010 at 6:31 PM, arijit bhattacharyya
> optimize / analyze table in each of the hosts is not a good option for me ,
> this is an in-production set-up with minimal number of boxes in rotation .
> On Sun, Jul 11, 2010 at 5:57 PM, arijit bhattacharyya
> > Hi , i am running into trouble due to wrong index chosen by mysql in some
> > particular type of queries . This is happening in a critical production
> > environment where we have deployment in two different colocations . I am
> > seeing that a paticular query is using one index in one set of hosts &
> > another index in another set of hosts . We are not using 'use index'
> > to explicitly mention the index due to some limitations . But wondering
> > based on what mysql is using different indexes in different hosts . This
> > really surprising , since dataset & table structures are exactly same in
> > the hosts .
> > Other than changing the code to force using 'use index' , is there any
> > other way to resolve it ? And what's the exact reason behind this ? Just
> > have mysql choose the correct index always will simply solve my problem .
> > Thanks .
Mobile : 91-9987681929
My Blog: http://adminlinux.blogspot.com
My LinkedIn: http://www.linkedin.com/in/profileprabhat