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Support fast scan on TiFlash #5252

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hongyunyan opened this issue Jun 29, 2022 · 1 comment
Open

Support fast scan on TiFlash #5252

hongyunyan opened this issue Jun 29, 2022 · 1 comment
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type/enhancement The issue or PR belongs to an enhancement.

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@hongyunyan
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hongyunyan commented Jun 29, 2022 •
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Enhancement

We provide a brand new mode called "fast scan" for TiFlash, to provide better query performance with a small loss of data consistency and timeliness.
@hongyunyan hongyunyan added the type/enhancement The issue or PR belongs to an enhancement. label Jun 29, 2022
This was referenced Jun 29, 2022
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Merged
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ti-chi-bot pushed a commit that referenced this issue Jul 7, 2022
@hongyunyan
feat : support set tiflash mode ddl action (#5256)
47657d3 
ref #5252
Lloyd-Pottiger pushed a commit to Lloyd-Pottiger/tiflash that referenced this issue Jul 12, 2022
@hongyunyan @Lloyd-Pottiger
Enhancement: Add how to run integration tests and microbenchmark test…
4e4f3b7 
…s in README (pingcap#5182)

close pingcap#5172, ref pingcap#5178

Enhancement: add a integrated test on DDL module (pingcap#5130)

ref pingcap#5129

Revert "Revise default background threads size" (pingcap#5176)

close pingcap#5177

chore: remove extra dyn cast (pingcap#5186)

close pingcap#5185

Add MPPReceiverSet, which includes ExchangeReceiver and CoprocessorReader (pingcap#5175)

ref pingcap#5095

DDL: Use Column Name Instead of Offset to Find the common handle cluster index (pingcap#5166)

close pingcap#5154

Add random failpoint in critical paths (pingcap#4876)

close pingcap#4807

Segment test framework (pingcap#5150)

close pingcap#5151

optimize ps v3 restore (pingcap#5163)

ref pingcap#4914

Fix build failed (pingcap#5196)

close pingcap#5195

feat: delta tree dispatching (pingcap#5199)

close pingcap#5200

feat: introduce specialized API to write fixed length data rapidly (pingcap#5181)

close pingcap#5183

Add gtest for Limit, TopN, Projection (pingcap#5187) (pingcap#5188)

close pingcap#5187

add `MPPTask::handleError()` (pingcap#5202)

ref pingcap#5095

Check result of starting grpc server (pingcap#5257)

close pingcap#5255

feat: add optimized routines for aarch64 (pingcap#5231)

close pingcap#5240

fix: aarch64-quick-fix (pingcap#5259)

close pingcap#5260

Update client-c to support ipv6 (pingcap#5270)

close pingcap#5247

upgrade prometheus-cpp to v1.0.1 (pingcap#5279)

ref pingcap#2103, close pingcap#5278

Fix README type error (pingcap#5273)

ref pingcap#5178

fix(cmake): make sure libc++ is utilized by tiflash-proxy (pingcap#5281)

close pingcap#5282

fix the wrong order of execution summary for list based executors (pingcap#5242)

close pingcap#5241

Schema: allow loading empty schema diff when the version grows up. (pingcap#5245)

close pingcap#5244

Optimize apply speed under heavy write pressure (pingcap#4883)

ref pingcap#4728

update proxy to raftstore-proxy-6.2 (pingcap#5287)

ref pingcap#4982

Flush segment cache when doing the compaction (pingcap#5284)

close pingcap#5179

metrics: Fix incorrect metrics for delta_merge tasks (pingcap#5061)

close pingcap#5055

dep: upgrade jemalloc (pingcap#5197)

close pingcap#5258

*: TiFlash pagectl/dttool use only-decryption mode (pingcap#5271)

close pingcap#5122

suppresion false positive report from tsan (pingcap#5303)

close pingcap#5088

Refine test framework code and tests (pingcap#5261)

close pingcap#5262

feat: add logical cpu cores and memory into grafana (pingcap#5124)

close pingcap#3821

Implement TimeToSec function push down (pingcap#5235)

close pingcap#5116

feat: implement shiftRight function push down (pingcap#5156)

close pingcap#5100

schema : make update to partition tables when 'set tiflash replica' (pingcap#5267)

close pingcap#5266

Replace initializer_list with vector for planner test framework (pingcap#5307)

close pingcap#5295

KVStore: decouple flush region and CompactLog with a new FFI fn_try_flush_data (pingcap#5283)

ref pingcap#5170

refine error message in mpptask (pingcap#5304)

ref pingcap#5095

Implement ReverseUTF8/Reverse function push down (pingcap#5233)

close pingcap#5111

Optimize comparision for collation `UTF8_BIN` and `UTF8MB4_BIN` (pingcap#5299)

ref pingcap#5294

feat : support set tiflash mode ddl action (pingcap#5256)

ref pingcap#5252

Add non-blocking functions for MPMCQueue (pingcap#5311)

close pingcap#5310

add random segment test for CI weekly (pingcap#5300)

close pingcap#5301

*: tidy FunctionString.cpp (pingcap#5312)

close pingcap#5313

ci: fix check-license github action (pingcap#5318)

close pingcap#5317

update proxy to raftstore-proxy-6.2 (pingcap#5316)

ref pingcap#4982

Change one `additional_input_at_end` to many streams in `ParallelInputsProcessor`  (pingcap#5274)

close pingcap#4856, close pingcap#5263

support fine grained shuffle for window function (pingcap#5048)

close pingcap#5142

feat: pushdown get_format into TiFlash (pingcap#5269)

close pingcap#5115

fix: format throw data truncated error (pingcap#5272)

close pingcap#4891

Print content of columns for gtest (pingcap#5243)

close pingcap#5203

*: also enable O3 for aarch64 (pingcap#5338)

close pingcap#5342

Add debug image build target for CentOS7 (pingcap#5344)

close pingcap#5343

*: mini refactor (pingcap#5326)

close pingcap#4739

Refactor initialize of background pool (pingcap#5190)

close pingcap#5189

delete copy/move ctor of MPMCQueue explicitly (pingcap#5328)

close pingcap#5329

Introduce proxy_server and new-mock-engine-store (pingcap#5319)

ref pingcap#5170

fix: incorrect uptime in grafana panel

Signed-off-by: Lloyd-Pottiger <yan1579196623@gmail.com>
ti-chi-bot pushed a commit that referenced this issue Jul 14, 2022
@hongyunyan
feat: support fast mode on TiFlash (#5290)
2bbe02b 
ref #5252
This was referenced Jul 14, 2022
Merged
Merged
@hongyunyan
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TODO List:

  1. fix min max index on del_mark
  2. use min max index on del_mark to optimize read in fast mode.

ti-chi-bot pushed a commit that referenced this issue Jul 15, 2022
@hongyunyan
fix : make test more rubostness (#5382)
cf8613c 
ref #5252
ti-chi-bot pushed a commit that referenced this issue Jul 15, 2022
@hongyunyan
feat: support clean read base on fast mode (#5371)
f9c001c 
ref #5252
This was referenced Jul 18, 2022
Closed
Merged
@lidezhu lidezhu mentioned this issue Jul 19, 2022
Merged
12 tasks
Lloyd-Pottiger pushed a commit to Lloyd-Pottiger/tiflash that referenced this issue Jul 19, 2022
@hongyunyan @Lloyd-Pottiger
feat : support set tiflash mode ddl action (pingcap#5256)
8525890 
ref pingcap#5252
@hongyunyan hongyunyan mentioned this issue Jul 19, 2022
Merged
12 tasks
ti-chi-bot pushed a commit that referenced this issue Jul 19, 2022
@hongyunyan
Update schema version in set tiflash mode (#5402)
c0f7cac 
ref #5252
ti-chi-bot pushed a commit that referenced this issue Jul 20, 2022
@lidezhu
fix read from ColumnFileBigReader (#5413)
764bd3c 
ref #5252
@hongyunyan hongyunyan mentioned this issue Jul 26, 2022
Merged
12 tasks
This was referenced Aug 10, 2022
Merged
Merged
Merged
ti-chi-bot pushed a commit that referenced this issue Aug 24, 2022
@hongyunyan
feat: do del column clean read optimization for fast mode (#5470)
79ba720 
ref #5252
ti-chi-bot pushed a commit to pingcap/tidb-binlog that referenced this issue Aug 25, 2022
@hongyunyan
Remove related code for ddl 'set tiflash mode' (#1185)
8dfd147 
ref #1175, ref pingcap/tiflash#5252
ti-chi-bot pushed a commit that referenced this issue Aug 30, 2022
@hongyunyan
support tiflash_fastscan variable from tidb, remove fast mode in tabl…
e5ff89c 
…e_info, and change name fast mode to fast scan (#5589)

ref #5252
ti-chi-bot pushed a commit that referenced this issue Sep 1, 2022
@hongyunyan
docs : add rfc for fast scan (#5414)
7bdd85b 
ref #5252
@hongyunyan hongyunyan changed the title Support fast mode on TiFlash Support fast scan on TiFlash Sep 5, 2022
@hongyunyan hongyunyan mentioned this issue Sep 29, 2022
Merged
12 tasks
ti-chi-bot pushed a commit that referenced this issue Oct 13, 2022
@hongyunyan
Make fast scan code mode clean (#6058)
6a9e9ac 
ref #5252
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