MC-270159

Automatic save / save-all causes world freeze

Starting from 23w44a, the world freezes every time it saving, this didn't happen before 23w43b
(Using fabric + spark mod to analyze on old snapshots as there are no TPS debug chart)

Steps to reproduce:
Method 1:
1. Start a server and join.
2. Wait until autosave.
Method 2:
1. Start a server and join.
2. Use save-all command.

Status:Unresolved

Reporter:bluegreensea

Created:2024-03-30, 04:19 PM

Updated:2025-01-06, 06:35 AM

Votes:12

Watchers:8

Confirmation Status:Community Consensus

Mojang Priority:Important

Area:Platform

Category:Performance

Labels:

Affects Versions:

1.20.4 - 1.21.4

1.20.4, 24w13a, 1.20.5 Pre-Release 1, 1.20.5 Pre-Release 2, 1.20.5 Pre-Release 3, 1.20.5 Pre-Release 4, 1.20.5 Release Candidate 1, 1.20.5 Release Candidate 2, 1.20.5 Release Candidate 3, 1.20.5, 1.20.6, 24w18a, 24w19b, 24w20a, 1.21 Pre-Release 1, 1.21, 24w33a, 1.21.1, 24w44a, 1.21.3, 1.21.4

Fix Versions:-