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Issues: pingcap/tidb

RFC: reorganize packages layout for this repository
#41241 opened Feb 9, 2023 by bb7133
Open 17
flaky test list
#41316 opened Feb 12, 2023 by hawkingrei
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Issues list

statistics: handle lock and unlock operations correctly component/statistics release-note-none Denotes a PR that doesn't merit a release note. sig/planner SIG: Planner size/XL Denotes a PR that changes 500-999 lines, ignoring generated files.
#56454 opened Oct 5, 2024 by Rustin170506 Loading…
1 of 13 tasks
7
What is the correct behavior for column usage information when statistics are dropped? component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#55988 opened Sep 10, 2024 by Rustin170506
Implement In-Memory Priority Queue for Auto-Analyze component/ddl This issue is related to DDL of TiDB. component/statistics type/feature-request Categorizes issue or PR as related to a new feature.
#55906 opened Sep 6, 2024 by Rustin170506
1 of 27 tasks
query results of information_schema.tables not accurate affects-7.1 affects-7.5 affects-8.1 component/statistics report/customer Customers have encountered this bug. severity/major sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#55803 opened Sep 2, 2024 by fubinzh
1
@Rustin170506
7
TiDB should not allow to analyze different partitions of a table with different analyze versions component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#51181 opened Feb 20, 2024 by Rustin170506
@Rustin170506
planner: track the time consumption of analyze correctly component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#51030 opened Feb 7, 2024 by qw4990
drop table during analyze command running, analyze process will not fail immediately component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#50980 opened Feb 5, 2024 by seiya-annie
@hawkingrei
1
planner: prevent the optimizer from using different versions of stats of a table during optimization component/statistics epic/cardinality-estimation the optimizer cardinality estimation sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#50281 opened Jan 10, 2024 by qw4990
ease of use: The stats_meta data table adds two fields related to statistics collection. component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#49594 opened Dec 19, 2023 by wentaojin
@Rustin170506
5
A batch of coprocessor requests(indexscan mostly) occurs every five minutes under low load. component/statistics type/enhancement The issue or PR belongs to an enhancement.
#48279 opened Nov 3, 2023 by AndreMouche
1
Calling stats_cache.Get too frequently component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#46715 opened Sep 6, 2023 by hawkingrei
1
Samplerate could be dynamically adjusted or make the num samples also usable. component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#46485 opened Aug 30, 2023 by jackysp
@chrysan @winoros
2
planner: optimizer statistics cost too much amount of memory component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#46149 opened Aug 16, 2023 by qw4990
@hawkingrei @winoros
planner: cancel the current analyze job instead of using 1 as the sample rate if cannot access PD when the optimizer determine analyze sample rate component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#45997 opened Aug 11, 2023 by qw4990
@winoros
improve memory when to use stat cache component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#44461 opened Jun 7, 2023 by hawkingrei
@qw4990
Statistics after Modify Column is not updated. component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#44311 opened May 31, 2023 by mjonss
@hawkingrei
Useless partition pruning warning for ANALYZE TABLE statement component/statistics component/tablepartition This issue is related to Table Partition of TiDB. severity/minor sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#42603 opened Mar 27, 2023 by dveeden
@xuyifangreeneyes
planner: distinguish analyzed empty table and un-analyzed table in statistics component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#42213 opened Mar 14, 2023 by qw4990
Save partial results when executing time-consuming analyze component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#42120 opened Mar 12, 2023 by xuyifangreeneyes
2
Upper/Lower bounds of stats buckets don't do correct time zone conversion component/statistics severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#41985 opened Mar 7, 2023 by xuyifangreeneyes
@hawkingrei
Improve Analyze Performance and Stability component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#41930 opened Mar 3, 2023 by xuyifangreeneyes
5 of 8 tasks
@xuyifangreeneyes
Refactor statistics/handle package component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#40791 opened Jan 28, 2023 by xuyifangreeneyes
collect table statistics when importing data by Lightning component/lightning This issue is related to Lightning of TiDB. component/statistics sig/planner SIG: Planner type/enhancement The issue or PR belongs to an enhancement.
#40469 opened Jan 10, 2023 by xuyifangreeneyes
1
handle ddl event failed component/statistics fuzz/schrddl may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 may-affects-8.1 severity/major sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
#40421 opened Jan 9, 2023 by wjhuang2016
@xuyifangreeneyes
1
Refresh row_count of delta to stats_meta with new ways component/statistics sig/planner SIG: Planner type/feature-request Categorizes issue or PR as related to a new feature.
#40113 opened Dec 22, 2022 by luyomo
@xuyifangreeneyes
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