Date: Tue, 30 Sep 2014 11:54:07 +1000 From: Paul Koch <paul.koch@akips.com> To: freebsd-stable@freebsd.org Subject: 10.1 mmap MAP_NOSYNC regression due to fast path Message-ID: <20140930115407.01ce9776@akips.com>
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Hi, just wondering if the regression introduced by the changes for 'fast path' to the mmap MAP_NOSYNC behaviour will be fixed for 10.1 ? http://lists.freebsd.org/pipermail/freebsd-hackers/2014-September/045981.html We have been doing some testing with 10.1-BETA3 and the regression makes 10.1 completely unusable because we rely very heavily on this long standing feature of mmap. Our database design mmaps large files (eg. several gigabytes) and we manually control when the sync happens by using fsync() at appropriate times. Paul. -- Paul Koch | Founder, CEO AKIPS Network Monitor http://www.akips.com Brisbane, Australia
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