licas CREATE KEYSPACE dw WITH replication = {'class': 'NetworkTopologyStrategy', 'DC-SH' : 2, 'DC-BG' : 2} Cassandra主要的数据结构 1.Memtable 跳表 2.SSTable 3.Bloom filter SSTable Data 真正的数据 Filter bloom

TiDB Executor Logical Plan Physical Plan Distributed Coprocessor Statistics TiKV DDL Worker GC Worker BG Job Worker Schema Manager Privilege Manager Feedback SQL Data Data Data Data Packet Command Data AST

维 的灵活应用、准实时的批处理等场景。而以Kylin为基础的MOLAP模式在处理增量业务分析，固化 维度场景，通过预计算以空间换时间方面依然重要。 业务方面，通过外卖数仓Doris的成功实践以及跨BG的交流，美团已经有更多的团队了解并尝试 使用Doris方案。而且在平台同学的共同努力下，引擎性能还有较大提升空间，相信以Doris引擎 为驱动的ROLAP模式会为美团的业务团队带来更大的收益。从目前实践效果看，其完全有替代Kyl

BY (id) PARTITION BY LIST (region) ( PARTITION shanghai VALUES ('SH'), PARTITION beijing VALUES ('BG'), DEFAULT PARTITION other ); 6.2查看分区表信息 查看分区表信息 通过 pg_partitions 视图，您可以查看分区表设计信息。下⾯⽰例可以查看 p_store_sales

Test 347 Apache ShardingSphere document, v5.2.0 WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG business stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id =

Test 374 Apache ShardingSphere document, v5.2.1 WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG business stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id =

>= d_next_o_id - 20 AND ol_o_id < d_next_o_id WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG business stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id =

>= d_next_o_id - 20 AND ol_o_id < d_next_o_id WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG 业务 stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id = ? AND

性能测试 319 Apache ShardingSphere document, v5.2.0 WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG 业务 stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id = ? AND

>= d_next_o_id - 20 AND ol_o_id < d_next_o_id WHERE d_w_id = ? AND d_id = ? ) ) AS L Delivery BG 业务 stmtDeliveryBGSelectOldestNewOrder SELECT no_o_id FROM bmsql_new_order WHERE no_w_id = ? AND