Forgot to add, I am using: libevent 2.0.19-stable Scientific Linux release 6.1 (Carbon) Kernel version 2.6.32
Thanks, Elan. On Mon, May 12, 2014 at 12:39 AM, Elanchezhiyan Elango <elanela...@gmail.com > wrote: > I have an application that uses libevent timers to trigger periodic > database operations. > > Following is the general overview of how the timer is used. > 1. A timer is set to trigger at a specific time. > 2. The process continues to run other operations. > 3. The timer triggers at the right time, does DB operations, sets the > timer to triggered after a specific number of seconds (within the next 5 > minutes). > 4. The process continues to run other operations. > 5. The timer triggers but earlier than the number of seconds set in step 3. > > The first few timer triggers look correct. After that initially the timer > seems to trigger only a few seconds earlier than the number of seconds set > in step 3. But it keeps getting worse. It looks like the magnitude of error > in how early the timer is triggered depends on the length of DB operations > done inside the timer's event handler function. Eventually the timer > triggers at unpredictable times and it's a mess because the DB operations > happen at weird times. > > Any idea why this might be happening? > > Thanks, > Elan. > > >
