Logs spammed with "WARNING - PUT-7257238 - Inserting into a wheel timer that hasn't been read from recently. Item: @..."

[TheArcaneBrony]

Description

Logs are spammed with wheel timer warnings.

Steps to reproduce

• Check synapse logs

Homeserver

the-apothecary.club

Synapse Version

1.139, 1.140

Installation Method

Other (please mention below)

Database

PostgreSQL, single server, portdb used years ago, backup restored a few months ago

Workers

Single process

Platform

Automatically pulling synapse from NixOS/nixpkgs/unstable, no containers
CPU: i7-7700
RAM: 64GB

Configuration

Presence enabled
Using Synapse-HTTP-Antispam
Very large caches

experimental_features:
  msc2815_enabled: true

Relevant log output

Oct 15 17:08:48 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:48,851 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385648 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:42.chat
Oct 15 17:08:48 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:48,952 - synapse.util.wheel_timer - 70 - WARNING - GET-7385650 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:48 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:48,953 - synapse.util.wheel_timer - 70 - WARNING - GET-7385650 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:48 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:48,953 - synapse.util.wheel_timer - 70 - WARNING - GET-7385650 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,073 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385651 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:holzinger.bayern
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,121 - synapse.util.wheel_timer - 70 - WARNING - GET-7385530 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,177 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,177 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,177 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,380 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385653 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:tuwunel.me
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,525 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385654 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:cutefunny.art
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,791 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385655 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:drigger.com
Oct 15 17:08:49 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:49,894 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385656 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:federated.nexus
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,155 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,155 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,156 - synapse.util.wheel_timer - 70 - WARNING - GET-7385652 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,170 - synapse.util.wheel_timer - 70 - WARNING - GET-7385471 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,170 - synapse.util.wheel_timer - 70 - WARNING - GET-7385471 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,170 - synapse.util.wheel_timer - 70 - WARNING - GET-7385471 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,183 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,183 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,183 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,229 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385661 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:kit.edu
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,229 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385661 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:kit.edu
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,281 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385662 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:krishu.moe
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,325 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385663 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:conduwuit.luccapirovano.com
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,348 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,348 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,348 - synapse.util.wheel_timer - 70 - WARNING - GET-7385659 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,369 - synapse.util.wheel_timer - 70 - WARNING - GET-7385666 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,458 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385669 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:dark-elves.social
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,479 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385670 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:lern.link
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,541 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385671 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:vern.cc
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,570 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385673 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:stlblues.org
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,593 - synapse.util.wheel_timer - 70 - WARNING - GET-7385674 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,593 - synapse.util.wheel_timer - 70 - WARNING - GET-7385674 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,593 - synapse.util.wheel_timer - 70 - WARNING - GET-7385674 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,612 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,612 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,612 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,621 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,621 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,621 - synapse.util.wheel_timer - 70 - WARNING - GET-7385675 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,973 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385679 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:agiadn.org
Oct 15 17:08:50 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:50,974 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385679 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:agiadn.org
Oct 15 17:08:51 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:51,213 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385682 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:nitro.chat
Oct 15 17:08:51 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:51,241 - synapse.util.wheel_timer - 70 - WARNING - PUT-7385683 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:dykes.ca
Oct 15 17:08:51 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:51,286 - synapse.util.wheel_timer - 70 - WARNING - GET-7385616 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:51 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:51,286 - synapse.util.wheel_timer - 70 - WARNING - GET-7385616 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club
Oct 15 17:08:51 machine-apothecary-01 synapse_homeserver[2133075]: 2025-10-15 17:08:51,287 - synapse.util.wheel_timer - 70 - WARNING - GET-7385616 - Inserting into a wheel timer that hasn't been read from recently. Item: @[redacted]:the-apothecary.club

Anything else that would be useful to know?

No response

[anoadragon453]

@TheArcaneBrony found that disabling the Synapse-HTTP-Antispam module prevented these logs from appearing.

Potentially related: #19087