Dirk Mueller c0a8699820 Run rootwrap with lower fd ulimit by default ... On Python 2.x, a subprocess.Popen() with close_fds=True will fork and then close filedescriptors range(3..os.sysconf("SC_OPEN_MAX")), which thanks to Kernel PTI (Kaiser patches) is significantly slower in 2018 when the range is very large. With a soft limit of 1048576, benchmark.py reports an overhead of ~ 400ms without this patch and 2ms with the patch applied. This patch adds a configuration option and sets a more sensible default of 1024 file descriptor limit by default. Closes-Bug: 1796267 Change-Id: Idd98c183eca3e2df8648fc0f37d27fe9cc6d0563		2018-10-09 12:12:46 +02:00
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rootwrap.conf.sample	Run rootwrap with lower fd ulimit by default	2018-10-09 12:12:46 +02:00