How much RAM does a Hytale server need? 2026 sizing guide

Hytale launched into Early Access in January 2026 after roughly a decade of anticipation. Hypixel Studios shipped a Java-25 server binary that scales from a duo on a single block-built treehouse to a 32-slot community realm with a dozen plugins. The problem most operators run into: RAM advice on the internet is either "give it everything" (a Minecraft habit) or "4 GB is plenty" (it isn't, for a real community).

We host Hytale on the NATroutter community egg with a tuned JVM, and we've watched a few hundred worlds tick through the first months of EA. Here's what we'd tell a friend who asked.

The short answer

Your server hosts this	Realistic RAM
2–4 players, vanilla, friend-group server	4 GB
5–8 players, light plugins (chat, claims, vote rewards)	6 GB
8–16 players, plugin set (10–20 plugins), 8-chunk view distance	8 GB
16–32 players, community server, custom gamemode	10–12 GB
Modded / total-conversion world, 16+ slots	14–16 GB

The official minimum from Hypixel Studios is 4 GB. In practice that's the floor for a vanilla friend group; the moment plugins, larger view distance, or persistent NPCs enter the picture, you'll feel a 4-GB box thrashing on GC.

Why Hytale is RAM-heavier than Minecraft at the same slot count

Two reasons.

Java 25 with G1GC keeps a bigger heap working set. Hytale's modding system uses a richer object graph than vanilla Minecraft chunks — biomes hold prefab references, entities carry component data, and the plugin API exposes server-state objects to JVM-land code. G1GC is great at avoiding stop-the-world pauses on a properly-sized heap, but it needs roughly 30% headroom over the live set to do its job. So if your live working set is 3 GB, give it ~4 GB; if it's 6 GB, give it ~8 GB.

View distance compounds with player spread. A single player in a tightly-built castle uses a fraction of the RAM that 16 players exploring different regions of a procedurally generated world do. The server has to keep every active region in memory, simulate entities in each one, and stream new chunks at the world edge. Two clustered players ≈ 1 region. Sixteen scattered players ≈ 12+ regions.

Common mistakes we see

Buying 16 GB on day one "just to be safe". Hytale's official server respects -Xmx and won't pre-allocate the full heap. But your hoster bills you for the reserved RAM, not what the JVM uses. Most 4-player friend groups never push past 3 GB resident — the 16 GB box is €15/month wasted.

Disabling the AOT cache to "save RAM". The egg ships with LEVERAGE_AHEAD_OF_TIME_CACHE=1 and that's correct. The pre-trained HytaleServer.aot artifact shifts JIT warmup into pre-build, meaning faster boot and lower CPU during the first few minutes after restart. Disabling it doesn't save meaningful RAM; it just makes restarts feel slow.

Cranking view distance without raising RAM. Hytale's render distance default is sensible. If you push it up because someone on Discord said "real servers run at 16-chunk", you're now keeping ~3.5× as many regions alive. The right response is more RAM, not less view distance — but only if your community actually uses it.

When to scale up

Watch three signals.

• GC pauses in the panel logs. If you see GC pauses crossing 200 ms regularly, your heap is too small. Bump to the next tier.
• TPS drift. Hytale doesn't yet expose a public TPS counter in the EA build, but the console log shows tick delays. Sustained tick deviation > 50 ms is the same problem GC pauses signal.
• OOM kills in the Pterodactyl panel. This is the dramatic version of the previous two. Your container hit its hard limit and the egg restarted. Always upgrade before this happens — saves you customer goodwill.

JVM args that matter

The egg ships sensible defaults: G1GC, string deduplication, compressed oops, AOT cache, -Xlog:aot for visibility. The only knob most operators should touch is Memory Overhead — reserve maybe 256 MB on a 4 GB tier and 512 MB on 8+ GB tiers, so the system has room for the JVM's off-heap usage, network buffers and the downloader process.

Don't add -XX:+UseZGC or -XX:+UseShenandoahGC. Hytale's server build is tuned for G1 today and the alternatives don't pay back on these heap sizes.

What we'd recommend

If you're starting fresh:

• Friend group, 2–4 people, vanilla: 4 GB. Upgrade later if you add plugins.
• Active group with mods or plugins, 4–8 people: 8 GB from the start. Saves you the friction of restarting + migrating.
• You're planning to run a community server: 12 GB. It's a noticeable upgrade in resilience for €5–8/month over the 8-GB tier.

You can always upgrade live in the Renzom panel — RAM changes apply on the next restart, no migration. So if you're undecided, start one tier lower than the table above and move up if metrics say so.

That's the honest version. The 16-GB-from-day-one pitch is for ad budgets, not your community.