Setting the TZ environment variable avoids thousands of system calls (2017)
> Without setting TZ during normal operations yields approximately: 14,925 calls to stat over a 30 second period (or roughly 497 stats per second).<p>> With TZ set during the same time period results in 8 calls to stat over a 30 second period.<p>This is interesting but what would be even more interesting is what that means to wall time. My gut feeling is probably not that much.