摘要：mysql -p'' -Bse'show global status like "com_%";' > qps.new while true do sleep 0.5 mv qps.new qps.old mysql -p'' -Bse'show global status like "com_%";' > qps.new date paste qps.o... 阅读全文

摘要：cat latency_s.output | grep -v "mysql" | awk '{print $4, "\t", $7, "\t", $9, "\t", $11,"\t", $13}' mysql -p'' -Bse'select event_name , total_latency from sys.x$io_global_by_wait_by_latency order by... 阅读全文

摘要：相同QPS下，看响应时间。 阅读全文

摘要：io、线程调度？ 阅读全文