February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Running multiple instances on a single machine
There might be some situations where you are required to install multiple instances on a single machine. It may be to check the performance of two different versions, or perhaps there is a need to manage two separate databases on different MySQL instances. The reason can be anything, but MySQL allows user to execute multiple instances on the same machine by providing different configuration values. MySQL 8 allows users to configure parameters by making use of the command line, option file, or by setting environment variables. The primary resource used by MySQL 8 for this is the data directory and it must be unique for the two instances. We can define the value for the same using the --datadir=dir_name ...
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