Keeping Server Chunks loaded? [Vanilla 1.9]
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On my server I have observed that whenever I teleport to a far location or even spawn/respawn in Spawn Chunks, the map takes some seconds to load and you fall in the void for bit or see missing chunk here and there, which is really unaesthetic. I'd like to overcome this, so I tried adding named mobs (Silverfish) to the places I wanted to TP and behind the spawn as well, just to be sure. By the way, it didn't produce any observable result and te problem still occur. This bothers me a bit, because I knew that spawn chunks are constantly loaded. Might it be a client-side/connection lag (my ping is 45ms, looks fine) or am I getting something wrong?
Best Answer
Unfortunately, this is largely unavoidable. When going to a chunk that your client does not have loaded, the server will have to send it to the client. This takes a nonzero amount of time, even if the server has the chunk loaded already. Note that the server's spawn chunks (not your spawn/bed location, but the server spawn) are always loaded, so if you experience the same issue when dying/respawning at server spawn, loading the chunks will not help.
A faster server or having a faster connection between your server and your client* would mitigate, but not entirely remove the problem. If you do not experience the same kind of problems when respawning at the server spawn, then loading might help. You can force chunks to be loaded by the server using vanilla chunk loading mechanics. This requires an unbroken line of loaded chunks from spawn with hoppers pointing into them - this youtube video seems to be the most referenced design (plus an explanation of how it works). It basically involves using hoppers to keep the chunks loaded, and requires an unbroken chain of loaded chunks between spawn and where you want to be loaded.
*Your ping only measures the round trip time. You need to be concerned about the actual connection speed, or how many bits/second can be sent.
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How do you keep chunks loaded on a Minecraft server?
Use a Nether Portal. One of the most efficient ways to maintain chunks constantly loading in Minecraft is using a Nether portal. In this case, you'll have to make sure any object is moving through the portal. But beware, there are timings when an object passes through a portal.How do you keep chunks loaded in vanilla?
The most common methods of making sure that chunks outside of the Spawn Chunks are loaded, is moving an entity (usually an Item) through a Nether portal, or using hoppers on the chunk border between the spawn chunks or any other chunk that is always loaded and an unloaded chunk.How do you keep a chunk always loaded?
You can use the /forceload command to control whether chunks are force loaded in a world. A chunk that is force loaded will load constantly.Do hoppers keep chunks loaded?
Basically, it works as you have said, a long loop of hoppers will keep a chunk loaded, but the hopper chain must start in the spawn chunks. You can use chains of hoppers to basically extend the area of chunks at spawn that is kept loaded.How to Setup the KeepChunks Plugin - Minecraft Java
More answers regarding keeping Server Chunks loaded? [Vanilla 1.9]
Answer 2
I don't know how you can fix falling into the void randomly, but if some chunks aren't loading and others are you can press F3 + A and it will reload all of the chunks.
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
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