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摘要： 接收端 nc -d -l 5002 |tar xf - nohup sh receive.sh & 发送端 tar cf - . | nc 1.1.1.1 5002 nohup sh transfer.sh & 阅读全文

摘要： 先创建一个执行树，按照执行树执行 阅读全文

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

摘要： import os import time cmd = 'ifconfig | grep "RX bytes" | tail -1 | awk -F":" \'{print $2," ", $3}\' | awk \'{print $1 , " " , $6}\' > network_speed.temp' os.system(cmd) tx=0 rx=0 while True: ... 阅读全文

摘要： 软件编程是艺术、是手艺 阅读全文

摘要： pip install mysql-connector-python 阅读全文

摘要： /* If certification information is too big this event can't be transmitted as it would cause failures on all group members. To avoid this, we now inst 阅读全文