Today (Saturday) We will make some minor tuning adjustments to MySQL.

You may experience 2 up to 10 seconds "glitch time" when we restart MySQL. We expect to make these adjustments around 1AM Eastern Daylight Saving Time (EDT) US.

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FreeBSD 11.0 - man page for aio (freebsd section 4)

AIO(4)							   BSD Kernel Interfaces Manual 						    AIO(4)

aio -- asynchronous I/O
To link into the kernel: options VFS_AIO To load as a kernel loadable module: kldload aio
The aio facility provides system calls for asynchronous I/O. It is available both as a kernel option for static inclusion and as a dynamic kernel module.
aio_cancel(2), aio_error(2), aio_read(2), aio_return(2), aio_suspend(2), aio_waitcomplete(2), aio_write(2), lio_listio(2), config(8), kldload(8), kldunload(8)
The aio facility appeared as a kernel option in FreeBSD 3.0. The aio kernel module appeared in FreeBSD 5.0.
October 24, 2002 BSD

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