Reader stops and core dumps and then relaunches itself.
Event_log had following entries
Error 2011-06-20 14:42:41.821987 3092514 1 Reader killed due to SIGQUIT, core file = /xxxx/SharePlex/vardir2216/dump/core.3047578, pid = 3047578 (from EIS)
Info 2011-06-20 14:42:41.831131 3047582 1 Reader launched, pid = 3047582 (from yyyy)
The size of the core file that gets generated is 1GB