Results 2 issues of Alexander Egorov

Hi all! I would like to have different groups that created using option MarkFlagsRequiredTogether with the same flag. I.e. I would like to have this: ``` rootCmd.MarkFlagsRequiredTogether("cpuprofile","diag") rootCmd.MarkFlagsRequiredTogether("memprofile", "diag") ```...

kind/feature
area/flags-args
lifecycle/needs-pr

When i tried to unzip big file (about 3 GiB size in xz and about 18 GiB unpacked) the process was too slow - only 3 GiB of 18 unpacked...

enhancement