[improve](txn insert) txn insert support update stmt #33034
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gavinchou
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TPC-H: Total hot run time: 38602 ms |
TPC-DS: Total hot run time: 182947 ms |
ClickBench: Total hot run time: 29.75 s |
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Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G' |
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dataroaring
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## Proposed changes ### Purpose The user doc: https://doris.apache.org/zh-CN/docs/dev/data-operate/import/transaction-load-manual We have supported insert into select(#31666), update(#33034) and delete(#33100) in transaction load. #32980 implements one txn write to one partition more than one rowsets. This pr implements to cloud mode of #32980 ### Implementation #### sub_txn_id see #32980 #### Meta service supports commit txn This process is generally the same as commit_txn, the difference is that he partitions version will plus 1 in multi sub txns. One example: Suppose the table, partition, tablet and version info is: ``` -------------------------------------------- | table | partition | tablet | version | -------------------------------------------- | t1 | t1_p1 | t1_p1.1 | 1 | | t1 | t1_p1 | t1_p1.2 | 1 | | t1 | t1_p2 | t1_p2.1 | 2 | | t2 | t2_p3 | t2_p3.1 | 3 | | t2 | t2_p4 | t2_p4.1 | 4 | -------------------------------------------- ``` Now we commit a txn with 3 sub txns and the tablets are: * sub_txn1: t1_p1.1, t1_p1.2, t1_p2.1 * sub_txn2: t2_p3.1 * sub_txn3: t1_p1.1, t1_p1.2 When commit, the partitions version will be: * sub_txn1: t1_p1(1 -> 2), t1_p2(2 -> 3) * sub_txn2: t2_p3(3 -> 4) * sub_txn3: t1_p1(2 -> 3) After commit, the partitions version will be: * t1: t1_p1(3), t1_p2(3) * t2: t2_p3(4), t2_p4(4) #### Meta service support generate sub_txn_id by `begin_sub_txn`
dataroaring
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Jun 7, 2024
## Proposed changes ### Purpose The user doc: https://doris.apache.org/zh-CN/docs/dev/data-operate/import/transaction-load-manual We have supported insert into select(#31666), update(#33034) and delete(#33100) in transaction load. #32980 implements one txn write to one partition more than one rowsets. This pr implements to cloud mode of #32980 ### Implementation #### sub_txn_id see #32980 #### Meta service supports commit txn This process is generally the same as commit_txn, the difference is that he partitions version will plus 1 in multi sub txns. One example: Suppose the table, partition, tablet and version info is: ``` -------------------------------------------- | table | partition | tablet | version | -------------------------------------------- | t1 | t1_p1 | t1_p1.1 | 1 | | t1 | t1_p1 | t1_p1.2 | 1 | | t1 | t1_p2 | t1_p2.1 | 2 | | t2 | t2_p3 | t2_p3.1 | 3 | | t2 | t2_p4 | t2_p4.1 | 4 | -------------------------------------------- ``` Now we commit a txn with 3 sub txns and the tablets are: * sub_txn1: t1_p1.1, t1_p1.2, t1_p2.1 * sub_txn2: t2_p3.1 * sub_txn3: t1_p1.1, t1_p1.2 When commit, the partitions version will be: * sub_txn1: t1_p1(1 -> 2), t1_p2(2 -> 3) * sub_txn2: t2_p3(3 -> 4) * sub_txn3: t1_p1(2 -> 3) After commit, the partitions version will be: * t1: t1_p1(3), t1_p2(3) * t2: t2_p3(4), t2_p4(4) #### Meta service support generate sub_txn_id by `begin_sub_txn`
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