yugabyte/yugabyte-db

Decrease log spew: catalog_manager.cc:7984 Expected replicas x but found y for tablet .....

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#10,129 opened on Sep 28, 2021

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Description

Jira Link: DB-2983 With read replicas configured in the cluster, we see the master continously keeps spewing these log lines.

The calculation checks for the number of replicas vs RF and reports a mismatch. The logic should be updated to account for/exclude read-replicas.

https://github.com/yugabyte/yugabyte-db/blob/de1867939e05c20339d720bc0407d5b59aa5355d/src/yb/master/catalog_manager.cc#L9041

Contributor guide

Research direction
Update the logic in catalog manager.cc around line 9041 to exclude read replicas when checking replica count vs RF.
Tech stack
cpp
Domain
database
Issue type
Bug
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
C++distributed systems basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70