pingcap / pingcap/tiflash

Don't do truncate / drop blob file in the lock scope of BlobStore

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component/storage type/enhancement
Dominant language
C++
Stars
1k
Forks
423
Avg merge
1d 15h
Merged PRs (30d)
24

Description

Enhancement

So that we don't block the read/write operations of other threads.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing BlobStore's truncate and drop operations and identifying the lock scope around them. Determine how the lock currently blocks other threads' reads and writes; done means those operations no longer hold the lock while performing the file work without compromising BlobStore safety.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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