Strrocks的參數設定

檢視所有的參數
show variables like "%%";
檢視cbo_enable_low_cardinality的參數
show variables like "%cbo_enable_low_cardinality%";
參數設定
set global cbo_enable_low_cardinality_optimize = false
pipeline引擎，資源使用率高
set global enable_pipeline_engine = false;
設定并行度
set global parallel_fragment_exec_instance_num = 8;