[CR #358654] After executing a parallel query, set statistics io does not display I/O counts generated by worker processes. It displays only the parent thread scan, logical I/O, and physical I/O counts.
Workaround: There is no workaround for this issue.
[CR# 401560] After executing a parallel query, displays only shows the alpha thread scan, and logical and physical I/O counts. set statistics io does not display I/O counts generated by worker processes.
Workaround: Use set statistics plancost on to display the I/O counts from alpha thread scan and any child threads in a graphical format.
