Join In Progress causing server lag / hitch

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Creative

What Type of Bug are you experiencing?

Assets

Summary

We’re noticing a server wide lag / stutter / hitch (whatever the technical term here should be) when players join in progress. Testing with friends we’ve found that all players in the game experience a brief lag at the same time that our friend begins to connect to the game from the lobby. From in game, there will be a lag spike, and then a few seconds later the elimination feed with say “{PlayerName} has joined the game!”

Steps to Reproduce

Play 7632-5434-5590 or another high activity game. Have another player load into the game, the joining player will go through the following stages when matchmaking:

Matchmaking: Joining server…
Preparing…
Preparing… Initiating travel to server…
Connecting…

A few seconds after the “Connecting” phase begins, the players in the lobby experience the lag spike.

Expected Result

Players joining a game in progress will not cause server wide lag.

Observed Result

Players experience a server wide lag spike, then a few seconds later a player has joins the game.

Platform(s)

All

Island Code

7632-5434-5590

Additional Notes

It may only happen as a result of players joining who already have save data and / or verse persistence data. All of the players we tested with have already built up some save data and verse persistence data.