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 kstat_write (sunos section 3kstat)

kstat_read(3KSTAT)					Kernel Statistics Library Functions					kstat_read(3KSTAT)

kstat_read, kstat_write - read or write kstat data
cc [ flag... ] file... -lkstat [ library... ] #include <kstat.h> kid_t kstat_read(kstat_ctl_t *kc, kstat_t *ksp, void *buf); kid_t kstat_write(kstat_ctl_t *kc, kstat_t *ksp, void *buf);
The kstat_read() function gets data from the kernel for the kstat pointed to by ksp. The ksp->ks_data field is automatically allocated (or reallocated) to be large enough to hold all of the data. The ksp->ks_ndata field is set to the number of data fields, ksp->ks_data_size is set to the total size of the data, and ksp->ks_snaptime is set to the high-resolution time at which the data snapshot was taken. If buf is non-null, the data is copied from ksp->ks_data to buf. The kstat_write() function writes data from buf, or from ksp->ks_data if buf is NULL, to the corresponding kstat in the kernel. Only the superuser can use kstat_write().
Upon successful completion, kstat_read() and kstat_write() return the current kstat chain ID (KCID). Otherwise, they return -1 and set errno to indicate the error.
The kstat_read() and kstat_write() functions will fail if: EACCES An attempt was made to write to a non-writable kstat. EAGAIN The kstat was temporarily unavailable for reading or writing. EINVAL An attempt was made to write data to a kstat, but the number of elements or the data size does not match. ENOMEM Insufficient storage space is available. ENXIO The given kstat could not be located for reading or writing. EOVERFLOW The data for the given kstat was too large to be stored in the structure. EPERM An attempt was made to write to a kstat, but {PRIV_SYS_CONFIG} was not asserted in the effective privilege set.
/dev/kstat kernel statistics driver
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+
kstat(3KSTAT), kstat_chain_update(3KSTAT), kstat_lookup(3KSTAT), kstat_open(3KSTAT), attributes(5), privileges(5) SunOS 5.10 3 Aug 2004 kstat_read(3KSTAT)

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