????????????????????

???????????????

???????????

????CPU??CUP_IDLE ??CPU_WA??SERVER_LOADAVG
??????棺MEM_URATE??MEM_USED
??????????NIC_TOTAL_IN??NIC_TOTAL_OUT??

????????????

????QPS??COM_READS??COM_WEITES
????????????SECOND_BEHIND_MASTER
???????????SLOW_QUERIES_PT
????????????THREADS_CONNECTED??THREADS_RUNNING

???????????????

??????????????

???????軔????IO?洢?豸?????е????????????????????????????????????￡?

?????????????????

????2????? ——–4??4??
???????????????????
????RAID+SAS??
????RAID+SSD??
????Flash??
????Fusion??

??????????????????????????????monitor?????????????????????????monitor????????????

????????????????

????Smart-slap??

???????????????????????QPS?????????????QPS???????????????QPS.

????Jmeter??

????????????????????????????????????μ??????????

?????????·??

?????????slap???ж?????????????????sql???????????????ò????????QPS?????ж???

???????QPS????????????1/8????1/4????1/2????1???????????????????????в?????????????????????????????????

????????????????

?????????3???????? ??????????????IO??????????????????IO???????CPU?????????????????????????????????????????IO?????????????????????????

??????????????????

??????????????24С???????1С??????1С??? TPS.??????????????