DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
C programmingUnderstanding of WAL mechanism
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25
Research direction
Examine the WAL flush implementation in TDengine's source code, focusing on the configurations WAL LEVEL and WAL FSYNC PERIOD. Check the code paths for WAL flush after insert operations. Reproduce the issue with the given settings. Check if there are recent changes related to WAL flush. Look at the relevant test files for WAL behavior.