set global consensus_log_cache_size = 20 * 1024 * 1024; use test; create table t1 (data longblob); set global consensus_log_cache_size = 1; show global status like "consensus_fifo_cache%"; Variable_name Value consensus_fifo_cache_log_count 1 consensus_fifo_cache_used_size 1330 set global consensus_log_cache_size = 1024*1024*1024; show global status like "consensus_fifo_cache%"; Variable_name Value consensus_fifo_cache_log_count 1026 consensus_fifo_cache_used_size 316005 select count(distinct(match_index)) from information_schema.alisql_cluster_global; count(distinct(match_index)) 1 drop table t1; set global consensus_log_cache_size = 64 * 1024 * 1024;