[MC-204801] Large amounts of copper blocks lag the server and causes the worldsave to take forever

The bug

If you place a large number of copper blocks in the world it causes the game to start lagging and when you attempt to save the world it will take forever. I placed a few cubes of copper in a test world and when I tried to save the world it took 5 minutes and 30 seconds to save.

This is probably due to copper blocks each scheduling a tile tick that lasts at least 1200000 ticks flooding the tile tick list and causing a lot of issues.

Attachments

Comments 6

FivesBlue 2020-11-09T06:04:20Z

Could you include a image of the world with F3 enabled so we can get an idea of your computer's specs?

Avoma 2020-11-09T21:56:23Z

Hey there!

Did you happen to increase the randomTickSpeed by any chance? Setting this to a high value causes the world to take a long while to save.

Starmute 2020-11-09T22:11:52Z

Confirmed in 20w45a

Starmute 2020-11-09T22:12:15Z

@Avoma - randomTickSpeed has nothing to do with copper. It doesn't use randomticks whatsoever

Hilligans 2020-11-09T22:13:54Z

@Avoma - random tick speed did not get changed

Bobby N. 2020-12-12T16:01:28Z

confirmed for 20w49a. i have a castle made of copper, and i hate going near it, because it lags so hard.