Alibaba cloud Q & A 2022-02-13 08:24:37 阅读数:95
Redis Default persistence method RDB What are the advantages ？
1、 Only one file dump.rdb, Easy persistence .
2、 Good disaster tolerance , A file can be saved to a safe disk .
3、 Maximize performance ,fork Sub process to complete the write operation , Let the main process continue processing commands , So it is IO Maximize . Use a single child process for persistence , The main process will not do anything IO operation , To ensure the redis A high performance
4. When the data set is large , Than AOF It's more efficient to start .
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