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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SunOS 5.10 - man page for stack_setbounds (sunos section 3c)

stack_setbounds(3C)					   Standard C Library Functions 				       stack_setbounds(3C)

stack_setbounds - update stack boundaries
#include <ucontext.h> int stack_setbounds(const stack_t *sp);
The stack_setbounds() function updates the current base and bounds of the stack for the current thread to the bounds specified by the stack_t structure pointed to by sp. The ss_sp member refers to the virtual address of the base of the stack memory. The ss_size member refers to the size of the stack in bytes. The ss_flags member must be set to 0.
Upon successful completion, stack_setbounds() returns 0. Otherwise, -1 is returned and errno is set to indicate the error.
The stack_setbounds() function will fail if: EFAULT The sp argument does not refer to a valid address or the ss_sp member of the stack_t structure pointed to by sp points to an illegal address. EINVAL The ss_sp member of the stack_t structure pointed to by sp is not properly aligned, the ss_size member is too small or is not properly aligned, or the ss_flags member is non-zero.
The stack_setbounds() function is intended for use by applications that are managing their own alternate stacks.
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ |MT-Level |Async-Signal-Safe | +-----------------------------+-----------------------------+
getustack(2), _stack_grow(3C), stack_getbounds(3C), stack_inbounds(3C), stack_violation(3C), attributes(5) SunOS 5.10 18 Jul 2002 stack_setbounds(3C)

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