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 kvm_write (freebsd section 3)

KVM_READ(3)						   BSD Library Functions Manual 					       KVM_READ(3)

kvm_read, kvm_write -- read or write kernel virtual memory
Kernel Data Access Library (libkvm, -lkvm)
#include <kvm.h> ssize_t kvm_read(kvm_t *kd, unsigned long addr, void *buf, size_t nbytes); ssize_t kvm_write(kvm_t *kd, unsigned long addr, const void *buf, size_t nbytes);
The kvm_read() and kvm_write() functions are used to read and write kernel virtual memory (or a crash dump file). See kvm_open(3) or kvm_openfiles(3) for information regarding opening kernel virtual memory and crash dumps. The kvm_read() function transfers nbytes bytes of data from the kernel space address addr to buf. Conversely, kvm_write() transfers data from buf to addr. Unlike their SunOS counterparts, these functions cannot be used to read or write process address spaces.
Upon success, the number of bytes actually transferred is returned. Otherwise, -1 is returned.
kvm(3), kvm_close(3), kvm_getargv(3), kvm_getenvv(3), kvm_geterr(3), kvm_getprocs(3), kvm_nlist(3), kvm_open(3), kvm_openfiles(3)
June 4, 1993 BSD

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