apache/pinot

Add sanity check into Pinot Components start() method to ensure data dir is accessible

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#15,860 opened on May 21, 2025

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 (3 comments) (0 reactions) (1 assignee)Java (1,234 forks)batch import
enhancementgood first issuehelp wanted

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Description

During the component start, create and delete a tmp file into the data dir then delete it.

This is to ensure the permission is set correctly and fail earlier with a more explicit error.

Ref: https://apache-pinot.slack.com/archives/C011C9JHN7R/p1747663133588709

Contributor guide

Research direction
Add code in the Component's start() method to create and delete a temporary file in the data directory to confirm accessibility.
Tech stack
java
Domain
backenddatabasedata
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJava
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75