pingcap / pingcap/tiflash

Add metrics to block read duration

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

Description

Enhancement

Currently we don't have metrics of cost time of one run of scan table.

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

The issue names no files, tests, or entry points. Start by locating the block-read and scan-table execution paths, then determine where a metric for one scan-table run belongs. Done means exposing the duration of each scan-table run through the project's metrics system.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
observability
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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