tikv/titan

View on GitHub

A RocksDB plugin for key-value separation, inspired by WiscKey.

Stars: 514
Forks: 178
Open beginner issues: 0
Indexed issues: 28

Dominant language: C++
License: Apache-2.0
Last GitHub push: Apr 29, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

28 open issues indexed

posix_fadvice(DONT_NEED) on obsolete blob files Open

contribution

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tikv/titan#337 · 1 comment · Opened Mar 29, 2026
Tikv crash in compaction filter casued by IoError: No Such file or directory: While open a file for random read: /data/xxx/yyy/zzz/115748.blob Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tikv/titan#328 · 8 comments · Opened Sep 2, 2024
Questions regarding how beginners can understand the detailed design related to garbage collection in the Titan source code. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tikv/titan#327 · 1 comment · Opened Aug 29, 2024
BlobIndex will be broken and failed to decode when zero-terminated in blob handle in compaction filter Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tikv/titan#321 · 2 comments · Opened Jun 12, 2024
mirror the RocksDB's async IO optimization to titan in scan Open

type/enhancement

tikv/titan#317 · 1 assignee · Opened Apr 23, 2024
Leverage file system hole punching to avoid GC rewrite Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

tikv/titan#308 · Opened Jan 31, 2024
db_bench core Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

tikv/titan#277 · 3 comments · Opened Jul 12, 2023
When is it compatible with RocksDB 7.5.3? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tikv/titan#273 · 1 comment · 1 reaction · Opened Jan 18, 2023
io_uring support? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tikv/titan#272 · 1 comment · Opened Dec 26, 2022
New Feature Add! Delta compression ratio can reach up to 77.88x! Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tikv/titan#245 · 5 comments · 1 reaction · Opened May 10, 2022
A status don't check and are written by later code in BlobGCJob::InstallOutputBlobFiles Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

tikv/titan#238 · 2 comments · Opened Apr 23, 2022
In BlobGCJob::DoRunGC(), the `file_size` is always = 0. Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tikv/titan#236 · 3 comments · Opened Apr 21, 2022
Waste too much time on blob cache operation Open

type/bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

tikv/titan#203 · 2 comments · Opened Jan 26, 2021
Restrict buffered value size for blob zstd dictionary compression Open

status/help-wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tikv/titan#197 · 5 comments · 1 reaction · Opened Dec 2, 2020
Blob file may has been deleted twice Open

severity/Critical status/discussion type/bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

tikv/titan#186 · Opened Sep 17, 2020
is HasBGError() strong enough when some error happened in LogAndApply Open

component/titan status/help-wanted type/bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

tikv/titan#182 · 2 comments · Opened Aug 2, 2020
RocksDB makes sure the order of notifying OnFlushCompleted and OnCompactionCompleted Open

sig/engine

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tikv/titan#179 · 2 comments · 1 reaction · Opened Jul 6, 2020
Consider removing blob index deletion marker Open

sig/engine

Difficulty 5/5 Over a week Newbie friendliness 32/100

tikv/titan#165 · 2 comments · Opened May 26, 2020
[feature request] titan support merge operator Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tikv/titan#152 · 1 comment · 4 reactions · Opened Apr 4, 2020
Rewrite valid keys by ingesting SST files during GC Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tikv/titan#150 · 1 comment · Opened Mar 21, 2020
Inline large value at the highest level? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tikv/titan#149 · 1 comment · Opened Mar 21, 2020
[Master Task] Reduce locking on read path Open

component/titan sig/engine

tikv/titan#139 · 1 reaction · 1 assignee · Opened Jan 31, 2020
Could titan support file IO with spdk user space driven mode？ Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

tikv/titan#131 · 1 comment · Opened Dec 23, 2019
Make configs can be changed dynamically Open

status/help-wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tikv/titan#105 · 1 reaction · Opened Nov 5, 2019
May remove blob storage too early Open

status/discussion type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tikv/titan#95 · Opened Oct 12, 2019
OnFlushCompleted should update file discardable size Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tikv/titan#86 · 4 comments · 1 reaction · Opened Sep 23, 2019
Titan support write without WAL Open

tikv/titan#81 · 8 comments · 1 assignee · Opened Sep 17, 2019
Rate limit GC speed with rate_limter Open

tikv/titan#50 · 9 comments · 1 assignee · Opened Jul 29, 2019

tikv/titan

Get new issues in your inbox