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售前:9:00-23:30 备案:9:00-18:00 技术:7*24h
1.前要先停掉syslog
/etc/init.d/syslog stop
在执行:
echo 1 > /proc/sys/vm/block_dump dmesg | egrep "READ|WRITE|dirtied" | egrep -o '([a-zA-Z]*)' | sort | uniq -c | sort -rn | head
显示:
1423 kjournald 1075 pdflush 209 indexer 3 cronolog 1 rnald 1 mysqld
不要忘记在抓完之后关掉block_dump和启动syslog
echo 0 > /proc/sys/vm/block_dump /etc/init.d/syslog start