Bug caused by joining the "!****:matrix.org" room with over 100,000 people - Githubissues

element-hq / dendrite

Dendrite is a second-generation Matrix homeserver written in Go!

https://element-hq.github.io/dendrite/

GNU Affero General Public License v3.0

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Bug caused by joining the "!****:matrix.org" room with over 100,000 people #3375

Open matrixbot opened 2 weeks ago

matrixbot commented 2 weeks ago

This issue was originally created by @simontxxx at https://github.com/matrix-org/dendrite/issues/3375.

Background information

Dendrite version or git SHA: 46902e5766cc8efcc4f1abb38789f8179893c17d
SQLite3 or Postgres?: Posgtres
Running in Docker?: no
go version: 1.22.2
Client used (if applicable): Element

Description

What is the problem: CPU usage is high. <input.(*Inputer).processRoomEvent> Missing event has missing prev events". Many log "Failed to get missing /event for event ID". There is a problem with message consumption in Nats, and messages are starting to get stuck. This is causing the recipient to not receive messages when they are sent. Removed the jetstream directory of nats and restart dendrite to recover.
Who is affected: "Me" - Who are you? Running the server or a user on a Dendrite server?
How is this bug manifesting: “Can't send messages"
When did this first appear:

Steps to reproduce