fixes(istgt): leaving recvlowat as 1 to read data at earliest #231
This PR picks these PRs (PR#228, 229, 230) from highcpu branch, which includes,
Adding automated tests for issue related to #2390 is pending. Adding this automation is making travis run time more than 50 minutes. So, automated tests need to be optimized to complete within 40 mins. It will be taken in another PR.
Signed-off-by: Vitta firstname.lastname@example.org