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1, Overview MySQL performs real-time data synchronization and does not play back the executed import database script. Therefore, before synchronization, the data at both ends should be consistent. Data synchronization: Master slave replication (if the master database hangs up, the slave database will not automatically become the maste ...

1, windows installation 1.1. erlang Download erlang download page: https://www.erlang.org/downloads erlang download address: https://erlang.org/download/otp_win64_24.0.exe You can install directly in the next step. When you encounter the following figure, install visual C++ Configure environment variables after installation And add% Er ...

1, OpeningRedis, as a general cache model, is very popular because of its high performance. Redis version 2.x only supports stand-alone mode, and the cluster mode has been introduced since version 3.0.Redis's Java ecological clients include Jedis, Redisson and lattice. Different clients have different capabilities and use methods. This paper ma ...

1 Introduction to LVS 1.1 introduction to LVS The architecture and principle of LB cluster is very simple, that is, when the user's request comes, it will be directly distributed to the Director Server, and then it will intelligently and evenly distribute the user's request to the back-end real server according to the set scheduling algor ...