… by the cold test already. The buffer pool and adaptive hash index are cold for the cold test. All tests were… the adaptive hash index is improving performance of InnoDB significantly during the hot run, as hash indexes are faster than a b-tree index…_buffer_size=32M innodb_buffer_pool_instances=16 metadata_locks_hash_instances=32 table_open_cache_instances=8 sort_buffer_size…
Post: Heikki Tuuri Innodb answers - Part I
October 26, 2007 By 19 Comments
… every record R. An adaptive hash index tries to guess where our search would end in the B-tree. To verify that we… a contiguous block of 64 pages, 16 kB each. Each B-tree index in InnoDB occupies two SEGMENTs. One segment is for… a 3x performance boost and it would write at 100MBps vs 33MBps. Any plans to enable tuning of the checkpointing rate…
