In modern society, data is growing explosively, and service requirements in the industry are complex. The amount of data to be stored and the number of tables to be created keep increasing. Each common data table of openGauss corresponds to a logical large file (maximum size: 32 TB). The logical file is divided into multiple actual files based on the fixed size and stored in the corresponding database directory. Therefore, as the data volume of each data table increases, the number of files required for underlying data storage increases gradually. In addition, openGauss provides features such as hash bucket tables and large partitioned tables. Each data table is split into several sub-tables, and the number of files required at the bottom layer increases exponentially.
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