Related Issues (20)
- planner: instance/node level plan cache - phase 1
- Cluster update failed with check dist task failed, tidb_enable_dist_task is enabled HOT 8
- IndexMergeJoin get different result when using different charset HOT 7
- index merge query scan index may sent redundancy rpc when enable paging
- Delete TiFlash placement rules in gc worker may take a long time HOT 1
- PR#53537 caused 20-34% performance regression in oltp_read_only and oltp_read_write HOT 3
- runtime error: invalid memory address or nil pointer dereference when run query with tidb_opt_enable_hash_join=off
- The SchemaByID func using InfoSchema v2 consume much time
- Speed up unsafe destroy range by batching multiple ranges in one request
- 无法修改慢日志文件路径 HOT 2
- mv或者rm慢日志文件,不会在线生成新的慢日志文件 HOT 2
- (*DeleteExec).deleteSingleTableByChunk spend too much time on making slices
- Console output and log message not accurate when import data with dup records using lightning tidb backend. HOT 2
- The efficiency of auto analyze is low with auto_analyze_priority_queue and infoSchemaV2 open in million tables scenario
- Add a `Detach` method for `RecordSet` to detach a record set from the session context
- TestInfoBuiltin failed after enabling infoschema cache V2
- error message of `SET @@global.tidb_cloud_storage_uri` is not clear
- time.LoadLocation spend too many time in the cophandler.buildDAG
- db / table with name `*` will interfere with DDL job dependency calculation
- Abnormal logs cause disk space to run out
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