Hello Amit,
>> - T1 flush=off 27480 -> 27482 : +0.0%
>> - T1 flush=on 25214 -> 26819 : +6.3%
>> - T2 flush=off 5050 -> 6194 : +22.6%
>> - T2 flush=on 2771 -> 6110 : +120.4%
>
> There is a clear win only in cases when sort is used with flush, apart
> from that using sort alone doesn't have any clear advantage.
Indeed, I agree that the improvement is much smaller without flushing,
although it is there somehow (+0.0 & +22.6 => +11.3% on average).
Well, at least we may agree that it is "somehow significantly better" ?:-)
--
Fabien.