aboutsummaryrefslogtreecommitdiffhomepage
path: root/Spigot-Server-Patches/0370-incremental-chunk-saving.patch
blob: 17e14aad2c7fa1a486eedba96a026c9f69cff1e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 9 Jun 2019 03:53:22 +0100
Subject: [PATCH] incremental chunk saving


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 6e1756eb90b6237100612527f69c995246d53ed1..5f3c8f74a60f9446623b863f9297402be1cd2f88 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -450,4 +450,19 @@ public class PaperWorldConfig {
         keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16);
         log( "Keep Spawn Loaded Range: " + (keepLoadedRange/16));
     }
+
+    public int autoSavePeriod = -1;
+    private void autoSavePeriod() {
+        autoSavePeriod = getInt("auto-save-interval", -1);
+        if (autoSavePeriod > 0) {
+            log("Auto Save Interval: " +autoSavePeriod + " (" + (autoSavePeriod / 20) + "s)");
+        } else if (autoSavePeriod < 0) {
+            autoSavePeriod = net.minecraft.server.MinecraftServer.getServer().autosavePeriod;
+        }
+    }
+
+    public int maxAutoSaveChunksPerTick = 24;
+    private void maxAutoSaveChunksPerTick() {
+        maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 141f2e8975b01fc2a5e7743955894f100c3062a2..8a316f732644886c476921c69838e9cb8b93a5b5 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -43,7 +43,7 @@ public class Chunk implements IChunkAccess {
     private TickList<Block> o;
     private TickList<FluidType> p;
     private boolean q;
-    private long lastSaved;
+    public long lastSaved; // Paper
     private volatile boolean s;
     private long inhabitedTime;
     @Nullable
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 726926f19c6725c1d935beec2f0f766d7466835e..f2ff1aa915c218bb1fc72467ccbd73ccf135c494 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -535,6 +535,15 @@ public class ChunkProviderServer extends IChunkProvider {
         } // Paper - Timings
     }
 
+    // Paper start - duplicate save, but call incremental
+    public void saveIncrementally() {
+        this.tickDistanceManager();
+        try (co.aikar.timings.Timing timed = world.timings.chunkSaveData.startTiming()) { // Paper - Timings
+            this.playerChunkMap.saveIncrementally();
+        } // Paper - Timings
+    }
+    // Paper end
+
     @Override
     public void close() throws IOException {
         // CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index d6a3c51826ac82fd46b8f6c98be7bf405ffa3f38..4ffd9c1d7b4fc2f42fa157b2235365cab41e295f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -152,6 +152,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
     public static int currentTick = 0; // Paper - Further improve tick loop
     public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
     public int autosavePeriod;
+    public boolean serverAutoSave = false; // Paper
     public CommandDispatcher vanillaCommandDispatcher;
     private boolean forceTicks;
     // CraftBukkit end
@@ -1143,14 +1144,24 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
             this.serverPing.b().a(agameprofile);
         }
 
-        if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit
-            MinecraftServer.LOGGER.debug("Autosave started");
+        //if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit // Paper - move down
+            //MinecraftServer.LOGGER.debug("Autosave started"); // Paper
+            serverAutoSave = (autosavePeriod > 0 && this.ticks % autosavePeriod == 0); // Paper
             this.methodProfiler.enter("save");
+            if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // Paper
             this.playerList.savePlayers();
-            this.saveChunks(true, false, false);
+            }// Paper
+            // Paper start
+            for (WorldServer world : getWorlds()) {
+                if (world.paperConfig.autoSavePeriod > 0) {
+                    world.saveIncrementally(serverAutoSave);
+                }
+            }
+            // Paper end
+
             this.methodProfiler.exit();
-            MinecraftServer.LOGGER.debug("Autosave finished");
-        }
+            //MinecraftServer.LOGGER.debug("Autosave finished"); // Paper
+        //} // Paper
 
         this.methodProfiler.enter("snooper");
         if (((DedicatedServer) this).getDedicatedServerProperties().snooperEnabled && !this.snooper.d() && this.ticks > 100) { // Spigot
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 3b0d13d319fe1d274ab657c7c87e5a2db5c02c4f..3e1c1253ad5e2fa68fd8a0bac100c2e7536ea080 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -40,6 +40,9 @@ public class PlayerChunk {
 
     private final PlayerChunkMap chunkMap; // Paper
 
+    long lastAutoSaveTime; // Paper - incremental autosave
+    long inactiveTimeStart; // Paper - incremental autosave
+
     public PlayerChunk(ChunkCoordIntPair chunkcoordintpair, int i, LightEngine lightengine, PlayerChunk.c playerchunk_c, PlayerChunk.d playerchunk_d) {
         this.statusFutures = new AtomicReferenceArray(PlayerChunk.CHUNK_STATUSES.size());
         this.fullChunkFuture = PlayerChunk.UNLOADED_CHUNK_FUTURE;
@@ -386,7 +389,19 @@ public class PlayerChunk {
         boolean flag2 = playerchunk_state.isAtLeast(PlayerChunk.State.BORDER);
         boolean flag3 = playerchunk_state1.isAtLeast(PlayerChunk.State.BORDER);
 
+        boolean prevHasBeenLoaded = this.hasBeenLoaded; // Paper
         this.hasBeenLoaded |= flag3;
+        // Paper start - incremental autosave
+        if (this.hasBeenLoaded & !prevHasBeenLoaded) {
+            long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime;
+            if (timeSinceAutoSave < 0) {
+                // safest bet is to assume autosave is needed here
+                timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod;
+            }
+            this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave;
+            this.chunkMap.autoSaveQueue.add(this);
+        }
+        // Paper end
         if (!flag2 && flag3) {
             // Paper start - cache ticking ready status
             int expectCreateCount = ++this.fullChunkCreateCount;
@@ -506,8 +521,32 @@ public class PlayerChunk {
     }
 
     public void m() {
+        boolean prev = this.hasBeenLoaded; // Paper
+        this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER);
+        // Paper start - incremental autosave
+        if (prev != this.hasBeenLoaded) {
+            if (this.hasBeenLoaded) {
+                long timeSinceAutoSave = this.inactiveTimeStart - this.lastAutoSaveTime;
+                if (timeSinceAutoSave < 0) {
+                    // safest bet is to assume autosave is needed here
+                    timeSinceAutoSave = this.chunkMap.world.paperConfig.autoSavePeriod;
+                }
+                this.lastAutoSaveTime = this.chunkMap.world.getTime() - timeSinceAutoSave;
+                this.chunkMap.autoSaveQueue.add(this);
+            } else {
+                this.inactiveTimeStart = this.chunkMap.world.getTime();
+                this.chunkMap.autoSaveQueue.remove(this);
+            }
+        }
+        // Paper end
+    }
+
+    // Paper start - incremental autosave
+    public boolean setHasBeenLoaded() {
         this.hasBeenLoaded = getChunkState(this.ticketLevel).isAtLeast(PlayerChunk.State.BORDER);
+        return this.hasBeenLoaded;
     }
+    // Paper end
 
     public void a(ProtoChunkExtension protochunkextension) {
         for (int i = 0; i < this.statusFutures.length(); ++i) {
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 6dda11ffc022aa9bc7481506811a710a184f5e78..39d89d6209123ae2146ae292009cad44c25f490a 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -333,6 +333,64 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
 
     }
 
+    // Paper start - incremental autosave
+    final it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<PlayerChunk> autoSaveQueue = new it.unimi.dsi.fastutil.objects.ObjectRBTreeSet<>((playerchunk1, playerchunk2) -> {
+        int timeCompare =  Long.compare(playerchunk1.lastAutoSaveTime, playerchunk2.lastAutoSaveTime);
+        if (timeCompare != 0) {
+            return timeCompare;
+        }
+
+        return Long.compare(MCUtil.getCoordinateKey(playerchunk1.location), MCUtil.getCoordinateKey(playerchunk2.location));
+    });
+
+    protected void saveIncrementally() {
+        int savedThisTick = 0;
+        // optimized since we search far less chunks to hit ones that need to be saved
+        List<PlayerChunk> reschedule = new java.util.ArrayList<>(this.world.paperConfig.maxAutoSaveChunksPerTick);
+        long currentTick = this.world.getTime();
+        long maxSaveTime = currentTick - this.world.paperConfig.autoSavePeriod;
+
+        for (Iterator<PlayerChunk> iterator = this.autoSaveQueue.iterator(); iterator.hasNext();) {
+            PlayerChunk playerchunk = iterator.next();
+            if (playerchunk.lastAutoSaveTime > maxSaveTime) {
+                break;
+            }
+
+            iterator.remove();
+
+            IChunkAccess ichunkaccess = playerchunk.getChunkSave().getNow(null);
+            if (ichunkaccess instanceof Chunk) {
+                boolean shouldSave = ((Chunk)ichunkaccess).lastSaved <= maxSaveTime;
+
+                if (shouldSave && this.saveChunk(ichunkaccess)) {
+                    ++savedThisTick;
+
+                    if (!playerchunk.setHasBeenLoaded()) {
+                        // do not fall through to reschedule logic
+                        playerchunk.inactiveTimeStart = currentTick;
+                        if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) {
+                            break;
+                        }
+                        continue;
+                    }
+                }
+            }
+
+            reschedule.add(playerchunk);
+
+            if (savedThisTick >= this.world.paperConfig.maxAutoSaveChunksPerTick) {
+                break;
+            }
+        }
+
+        for (int i = 0, len = reschedule.size(); i < len; ++i) {
+            PlayerChunk playerchunk = reschedule.get(i);
+            playerchunk.lastAutoSaveTime = this.world.getTime();
+            this.autoSaveQueue.add(playerchunk);
+        }
+    }
+    // Paper end
+
     protected void save(boolean flag) {
         if (flag) {
             List<PlayerChunk> list = (List) this.visibleChunks.values().stream().filter(PlayerChunk::hasBeenLoaded).peek(PlayerChunk::m).collect(Collectors.toList());
@@ -443,6 +501,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
 
                         this.world.unloadChunk(chunk);
                     }
+                    this.autoSaveQueue.remove(playerchunk); // Paper
 
                     this.lightEngine.a(ichunkaccess.getPos());
                     this.lightEngine.queueUpdate();
@@ -635,6 +694,8 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
                     playerchunk.a(new ProtoChunkExtension(chunk));
                 }
 
+                chunk.setLastSaved(this.world.getTime() - 1); // Paper - avoid autosaving newly generated/loaded chunks
+
                 chunk.a(() -> {
                     return PlayerChunk.getChunkState(playerchunk.getTicketLevel());
                 });
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 7b4182a0dc9aaa76f0a4a3b09cc497bcb9704277..0286bc56d49e586dde506071e5e72423f157bd52 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -767,11 +767,43 @@ public class WorldServer extends World implements GeneratorAccessSeed {
         return !this.server.a(this, blockposition, entityhuman) && this.getWorldBorder().a(blockposition);
     }
 
+    // Paper start - derived from below
+    public void saveIncrementally(boolean doFull) {
+        ChunkProviderServer chunkproviderserver = this.getChunkProvider();
+
+        if (doFull) {
+            org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld()));
+        }
+
+        try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) {
+            if (doFull) {
+                this.saveData();
+            }
+
+            timings.worldSaveChunks.startTiming(); // Paper
+            if (!this.isSavingDisabled()) chunkproviderserver.saveIncrementally();
+            timings.worldSaveChunks.stopTiming(); // Paper
+
+
+            // Copied from save()
+            // CraftBukkit start - moved from MinecraftServer.saveChunks
+            if (doFull) { // Paper
+                WorldServer worldserver1 = this;
+
+                worldDataServer.a(worldserver1.getWorldBorder().t());
+                worldDataServer.setCustomBossEvents(this.server.getBossBattleCustomData().save());
+                convertable.a(this.server.f, this.worldDataServer, this.server.getPlayerList().save());
+            }
+            // CraftBukkit end
+        }
+    }
+    // Paper end
+
     public void save(@Nullable IProgressUpdate iprogressupdate, boolean flag, boolean flag1) {
         ChunkProviderServer chunkproviderserver = this.getChunkProvider();
 
         if (!flag1) {
-            org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
+            if (flag) org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit // Paper
             try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) { // Paper
             if (iprogressupdate != null) {
                 iprogressupdate.a(new ChatMessage("menu.savingLevel"));
@@ -797,6 +829,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
         // CraftBukkit end
     }
 
+    private void saveData() { this.ag(); } // Paper - OBFHELPER
     private void ag() {
         if (this.dragonBattle != null) {
             this.worldDataServer.a(this.dragonBattle.a()); // CraftBukkit