14.14.1 Information Schema Tables about Compression

14.14.1.1 INNODB_CMP and INNODB_CMP_RESET
14.14.1.2 INNODB_CMPMEM and INNODB_CMPMEM_RESET
14.14.1.3 Using the Compression Information Schema Tables

Two new pairs of Information Schema tables can give you some insight into how well compression is working overall. One pair of tables contains information about the number of compression operations and the amount of time spent performing compression. Another pair of tables contains information on the way memory is allocated for compression.