new implementation of partition table support in MPP/BatchCoprocessor #3873
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close pingcap#3873 Signed-off-by: ywqzzy <[email protected]>
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Signed-off-by: ywqzzy <[email protected]> update. Signed-off-by: ywqzzy <[email protected]> update. Signed-off-by: ywqzzy <[email protected]> Split write and ingest throughput (pingcap#4245) close pingcap#4243 Signed-off-by: ywqzzy <[email protected]> fix the problem that expired data was not recycled timely due to slow gc speed (pingcap#4224) close pingcap#4146 Signed-off-by: ywqzzy <[email protected]> PageStorage: Fix some bugs (pingcap#4212) ref pingcap#3594 Signed-off-by: ywqzzy <[email protected]> Make test of CreateTables using affected opts (pingcap#4239) close pingcap#4235 Signed-off-by: ywqzzy <[email protected]> BlobStore: remove the old_ids, not need recycle the blob id. (pingcap#4247) ref pingcap#3594 Signed-off-by: ywqzzy <[email protected]> support `PartitionTableScan` in TiFlash (pingcap#3876) close pingcap#3873 Signed-off-by: ywqzzy <[email protected]> update. Signed-off-by: ywqzzy <[email protected]> update. Signed-off-by: ywqzzy <[email protected]> support last_day and dayofmonth pushdown to tiflash (pingcap#4183) close pingcap#4149 Signed-off-by: ywqzzy <[email protected]>
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Enhancement
TiDB support partition table, and for a partition table with n partitions, when in MPP mode, for each partition, TiDB will generate 1 mpp task, so the mpp task number will explode if the partition table contains too many partitions. In order to reduce the mpp task number, a new executor named
PartitionTableScanis introduced in tipb, both TiFlash and TiDB need to adapt this change.The text was updated successfully, but these errors were encountered: