What are the features of MySQL 5.7?


Online buffer pool resize:

  • Configure innodb_buffer_pool_size offline (at startup) or online, while the server is running 
  • The operation is performed in chunks
  • Chunk size is defined by the innodb_buffer_pool_chunk_size configuration option      
  • Buffer pool size always be equal to or a multiple of innodb_buffer_pool_chunk_size * innodb_buffer_pool_instances
  • Default innodb_buffer_pool_chunk_size is 128M