ghalliday/HPCC-Platform — comment on commit 899da5737923877bb131da2f255d2507d0ef98a0
File: roxie/roxiemem/roxiemem.cpp line 727
By richardkchapman:

the ABA issue only happens at the point you are doing the cas - ie at the head. I disagree that increasing it is simpler, and the effect is NOT The same (it doubles the frequency of wrap-around and thus the possibility of error. There's not really THAT many bits here (only 8 as currently coded)...