Add cache capacity

src/main/java/it/cavallium/dbengine/client/MemoryStats.java

@@ -1,5 +1,5 @@
 package it.cavallium.dbengine.client;
 
 public record MemoryStats(long estimateTableReadersMem, long sizeAllMemTables,
-													long curSizeAllMemTables, long estimateNumKeys, long blockCacheUsage,
+													long curSizeAllMemTables, long estimateNumKeys, long blockCacheCapacity,
-													long blockCachePinnedUsage, long liveVersions) {}
+													long blockCacheUsage, long blockCachePinnedUsage, long liveVersions) {}

src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java

@@ -1344,6 +1344,7 @@ public class LLLocalKeyValueDatabase extends Backuppable implements LLKeyValueDa
 					db.getAggregatedLongProperty(RocksDBLongProperty.SIZE_ALL_MEM_TABLES.getName()),
 					db.getAggregatedLongProperty(RocksDBLongProperty.CUR_SIZE_ALL_MEM_TABLES.getName()),
 					db.getAggregatedLongProperty(RocksDBLongProperty.ESTIMATE_NUM_KEYS.getName()),
+					db.getAggregatedLongProperty(RocksDBLongProperty.BLOCK_CACHE_CAPACITY.getName()) / this.handles.size(),
 					db.getAggregatedLongProperty(RocksDBLongProperty.BLOCK_CACHE_USAGE.getName()) / this.handles.size(),
 					db.getAggregatedLongProperty(RocksDBLongProperty.BLOCK_CACHE_PINNED_USAGE.getName()) / this.handles.size(),
 					db.getAggregatedLongProperty(RocksDBLongProperty.NUM_LIVE_VERSIONS.getName()) / this.handles.size()

src/main/java/it/cavallium/dbengine/database/memory/LLMemoryKeyValueDatabase.java

@@ -79,7 +79,7 @@ public class LLMemoryKeyValueDatabase implements LLKeyValueDatabase {
 
 	@Override
 	public MemoryStats getMemoryStats() {
-		return new MemoryStats(0, 0, 0, 0, 0, 0, 1);
+		return new MemoryStats(0, 0, 0, 0, 0, 0, 0, 1);
 	}
 
 	@Override