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先创建一个执行树，按照执行树执行 阅读全文
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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
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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
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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
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pip install mysql-connector-python 阅读全文
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/* 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