Suppose I have a table with exactly 10M rows. I need to know the exact number of rows. It takes 5 seconds for COUNT requests. Suppose 100 rows are added to the table every second.
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DRBD + HeartBeat + NFS High Available Architecture Notes
Reference 1: http://os.51cto.com/art/201412/461533.htm
Reference 2: http://www.voidcn.com/article /p-fhezbfkb-qq.html
Reference 3: http://network.51cto.com/art/201010/230237_all.htm
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I studied the installation and configuration of DRBD last week, and today I’m studying the first application of DRBD. DR
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Today I will continue to study the second application of DRBD, using DRBD+Heartbeat+Mysql: configure mysql high avai
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DRBD + HeartBeat + MySQL High Available
1. Planning
System CentOS 64bit
DRBD version 9.0.0
Heartbeat version 3.0.6< /span>
MySQL version 5.6.27
< span style="font-family:'黑体', SimHei;"> DRBD disk/dev/sdb1< /