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Use FastUtil over Trove for maps/collections to reduce memory usage

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This should significantly decrease the amount of RAM being used by Geyser. Previously it was using 300mb - 400mb on average. This has dropped it down to 80mb - 120mb. Ideally I'd like to decrease this value further, but that will require some more work.
This commit is contained in:
RednedEpic 2019-11-30 13:26:51 -06:00
parent c91e8e1958
commit cd17dc5f4c
6 changed files with 30 additions and 24 deletions
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4
connector/src/main/java/org/geysermc/connector/entity/Entity.java
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@ -34,6 +34,8 @@ import com.nukkitx.protocol.bedrock.data.EntityDataDictionary;
import com.nukkitx.protocol.bedrock.data.EntityFlag;
import com.nukkitx.protocol.bedrock.data.EntityFlags;
import com.nukkitx.protocol.bedrock.packet.*;
import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
import it.unimi.dsi.fastutil.longs.LongSet;
import lombok.Getter;
import lombok.Setter;
import org.geysermc.connector.console.GeyserLogger;
@ -69,7 +71,7 @@ public class Entity {
protected boolean valid;
protected Set<Long> passengers = new HashSet<>();
protected LongSet passengers = new LongOpenHashSet();
protected Map<AttributeType, Attribute> attributes = new HashMap<>();
protected EntityDataDictionary metadata = new EntityDataDictionary();

12
connector/src/main/java/org/geysermc/connector/network/session/cache/EntityCache.java vendored
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@ -25,6 +25,10 @@
package org.geysermc.connector.network.session.cache;
import it.unimi.dsi.fastutil.longs.Long2LongMap;
import it.unimi.dsi.fastutil.longs.Long2LongOpenHashMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import lombok.Getter;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.PlayerEntity;
@ -41,8 +45,8 @@ public class EntityCache {
private GeyserSession session;
@Getter
private Map<Long, Entity> entities = new HashMap<>();
private Map<Long, Long> entityIdTranslations = new HashMap<>();
private Long2ObjectMap<Entity> entities = new Long2ObjectOpenHashMap<>();
private Long2LongMap entityIdTranslations = new Long2LongOpenHashMap();
private Map<UUID, PlayerEntity> playerEntities = new HashMap<>();
private Map<UUID, Long> bossbars = new HashMap<>();
@ -62,13 +66,11 @@ public class EntityCache {
public boolean removeEntity(Entity entity, boolean force) {
if (entity != null && entity.isValid() && (force || entity.despawnEntity(session))) {
Long geyserId = entityIdTranslations.remove(entity.getEntityId());
if (geyserId != null) {
long geyserId = entityIdTranslations.remove(entity.getEntityId());
entities.remove(geyserId);
if (entity.is(PlayerEntity.class)) {
playerEntities.remove(entity.as(PlayerEntity.class).getUuid());
}
}
return true;
}
return false;

4
connector/src/main/java/org/geysermc/connector/network/session/cache/WindowCache.java vendored
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@ -26,6 +26,8 @@
package org.geysermc.connector.network.session.cache;
import com.nukkitx.protocol.bedrock.packet.ModalFormRequestPacket;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import lombok.Getter;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.api.window.FormWindow;
@ -38,7 +40,7 @@ public class WindowCache {
private GeyserSession session;
@Getter
private Map<Integer, FormWindow> windows = new HashMap<Integer, FormWindow>();
private Int2ObjectMap<FormWindow> windows = new Int2ObjectOpenHashMap<>();
public WindowCache(GeyserSession session) {
this.session = session;

2
connector/src/main/java/org/geysermc/connector/network/translators/item/ItemTranslator.java
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@ -79,7 +79,7 @@ public class ItemTranslator {
}
public ItemEntry getItem(ItemData data) {
for (ItemEntry itemEntry : Toolbox.ITEM_ENTRIES.valueCollection()) {
for (ItemEntry itemEntry : Toolbox.ITEM_ENTRIES.values()) {
if (itemEntry.getBedrockId() == data.getId() && itemEntry.getBedrockData() == data.getDamage()) {
return itemEntry;
}

8
connector/src/main/java/org/geysermc/connector/utils/Toolbox.java
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@ -7,8 +7,8 @@ import com.nukkitx.nbt.tag.CompoundTag;
import com.nukkitx.nbt.tag.ListTag;
import com.nukkitx.protocol.bedrock.packet.StartGamePacket;
import gnu.trove.map.TIntObjectMap;
import gnu.trove.map.hash.TIntObjectHashMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.console.GeyserLogger;
import org.geysermc.connector.network.translators.block.BlockEntry;
@ -23,8 +23,8 @@ public class Toolbox {
public static final Collection<StartGamePacket.ItemEntry> ITEMS = new ArrayList<>();
public static ListTag<CompoundTag> BLOCKS;
public static final TIntObjectMap<ItemEntry> ITEM_ENTRIES = new TIntObjectHashMap<>();
public static final TIntObjectMap<BlockEntry> BLOCK_ENTRIES = new TIntObjectHashMap<>();
public static final Int2ObjectMap<ItemEntry> ITEM_ENTRIES = new Int2ObjectOpenHashMap<>();
public static final Int2ObjectMap<BlockEntry> BLOCK_ENTRIES = new Int2ObjectOpenHashMap<>();
public static void init() {
InputStream stream = GeyserConnector.class.getClassLoader().getResourceAsStream("bedrock/runtime_block_states.dat");

18
connector/src/main/java/org/geysermc/connector/world/chunk/BlockStorage.java
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@ -1,12 +1,15 @@
package org.geysermc.connector.world.chunk;
import com.nukkitx.network.VarInts;
import gnu.trove.list.array.TIntArrayList;
import io.netty.buffer.ByteBuf;
import it.unimi.dsi.fastutil.ints.IntArrayList;
import it.unimi.dsi.fastutil.ints.IntList;
import org.geysermc.connector.world.GlobalBlockPalette;
import org.geysermc.connector.world.chunk.bitarray.BitArray;
import org.geysermc.connector.world.chunk.bitarray.BitArrayVersion;
import java.util.function.IntConsumer;
/**
* Adapted from NukkitX: https://github.com/NukkitX/Nukkit
*/
@ -14,7 +17,7 @@ public class BlockStorage {
private static final int SIZE = 4096;
private final TIntArrayList palette;
private final IntList palette;
private BitArray bitArray;
public BlockStorage() {
@ -23,11 +26,11 @@ public class BlockStorage {
public BlockStorage(BitArrayVersion version) {
this.bitArray = version.createPalette(SIZE);
this.palette = new TIntArrayList(16, -1);
this.palette = new IntArrayList(16);
this.palette.add(0); // Air is at the start of every palette.
}
private BlockStorage(BitArray bitArray, TIntArrayList palette) {
private BlockStorage(BitArray bitArray, IntArrayList palette) {
this.palette = palette;
this.bitArray = bitArray;
}
@ -57,10 +60,7 @@ public class BlockStorage {
}
VarInts.writeInt(buffer, palette.size());
palette.forEach(id -> {
VarInts.writeInt(buffer, id);
return true;
});
palette.forEach((IntConsumer) id -> VarInts.writeInt(buffer, id));
}
private void onResize(BitArrayVersion version) {
@ -109,6 +109,6 @@ public class BlockStorage {
}
public BlockStorage copy() {
return new BlockStorage(this.bitArray.copy(), new TIntArrayList(this.palette));
return new BlockStorage(this.bitArray.copy(), new IntArrayList(this.palette));
}
}