I think i repaired https://github.com/Szum123321/textile_backup/issues/12

gradle.properties

@@ -1,14 +1,14 @@
 # Done to increase the memory available to gradle.
 org.gradle.jvmargs=-Xmx1G
 
-minecraft_version=20w19a
+minecraft_version=20w21a
-yarn_mappings=20w19a+build.6
+yarn_mappings=20w21a+build.15
-loader_version=0.8.2+build.194
+loader_version=0.8.4+build.198
 
 #Fabric api
-fabric_version=0.10.7+build.344-1.16
+fabric_version=0.10.10+build.347-1.16
 
 # Mod Properties
-mod_version = 1.2.0-20w19a
+mod_version = 1.2.1-20w21a
 maven_group = net.szum123321
 archives_base_name = textile_backup

src/main/java/net/szum123321/textile_backup/ConfigHandler.java

@@ -64,6 +64,9 @@ public class ConfigHandler {
                     "LZMA - tar.xz using lzma compression\n")
     public ArchiveFormat format = ArchiveFormat.ZIP;
 
+    @Comment("\nLimit how many cores can be used for compression.\n")
+    public int compressionCoreCountLimit = 0;
+
     @Comment("\nPrint info to game out\n")
     public boolean log = true;
 

src/main/java/net/szum123321/textile_backup/core/MakeBackupThread.java

@@ -18,18 +18,16 @@
 
 package net.szum123321.textile_backup.core;
 
-import net.minecraft.class_5218;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.command.ServerCommandSource;
 import net.minecraft.world.dimension.DimensionType;
 import net.szum123321.textile_backup.TextileBackup;
 import net.szum123321.textile_backup.core.compressors.GenericTarCompressor;
 import net.szum123321.textile_backup.core.compressors.ParallelBZip2Compressor;
+import net.szum123321.textile_backup.core.compressors.ParallelGzipCompressor;
 import net.szum123321.textile_backup.core.compressors.ParallelZipCompressor;
 import net.szum123321.textile_backup.mixin.MinecraftServerSessionAccessor;
-import org.anarres.parallelgzip.ParallelGZIPOutputStream;
 import org.apache.commons.compress.compressors.xz.XZCompressorOutputStream;
-import org.at4j.comp.bzip2.BZip2OutputStream;
 
 import java.io.File;
 import java.io.IOException;
@@ -67,26 +65,34 @@ public class MakeBackupThread implements Runnable {
             return;
         }
 
+        int coreCount;
+
+        if(TextileBackup.config.compressionCoreCountLimit <= 0) {
+            coreCount = Runtime.getRuntime().availableProcessors();
+        } else {
+            coreCount = Math.min(TextileBackup.config.compressionCoreCountLimit, Runtime.getRuntime().availableProcessors());
+        }
+
         switch (TextileBackup.config.format) {
             case ZIP:
-                ParallelZipCompressor.createArchive(world, outFile, ctx);
+                ParallelZipCompressor.createArchive(world, outFile, ctx, coreCount);
                 break;
 
             case BZIP2:
-                ParallelBZip2Compressor.createArchive(world, outFile, ctx);
+                ParallelBZip2Compressor.createArchive(world, outFile, ctx, coreCount);
                 break;
 
             case GZIP:
-                GenericTarCompressor.createArchive(world, outFile, ParallelGZIPOutputStream.class, ctx);
+                ParallelGzipCompressor.createArchive(world, outFile, ctx, coreCount);
                 break;
 
             case LZMA:
-                GenericTarCompressor.createArchive(world, outFile, XZCompressorOutputStream.class, ctx);
+                GenericTarCompressor.createArchive(world, outFile, XZCompressorOutputStream.class, ctx, coreCount);
                 break;
 
             default:
                 Utilities.log("Error! No correct compression format specified! using default compressor!", ctx);
-                ParallelZipCompressor.createArchive(world, outFile, ctx);
+                ParallelZipCompressor.createArchive(world, outFile, ctx, coreCount);
                 break;
         }
 

src/main/java/net/szum123321/textile_backup/core/compressors/GenericTarCompressor.java

@@ -13,7 +13,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.nio.file.Files;
 
 public class GenericTarCompressor {
-	public static void createArchive(File in, File out, Class<? extends OutputStream> CompressorStreamClass, ServerCommandSource ctx) {
+	public static void createArchive(File in, File out, Class<? extends OutputStream> CompressorStreamClass, ServerCommandSource ctx, int coreLimit) {
 		Utilities.log("Starting compression...", ctx);
 
 		long start = System.nanoTime();

src/main/java/net/szum123321/textile_backup/core/compressors/ParallelBZip2Compressor.java

@@ -13,10 +13,10 @@ import java.io.*;
 import java.nio.file.Files;
 
 public class ParallelBZip2Compressor {
-	public static void createArchive(File in, File out, ServerCommandSource ctx) {
+	public static void createArchive(File in, File out, ServerCommandSource ctx, int coreLimit) {
 		Utilities.log("Starting compression...", ctx);
 
-		BZip2OutputStreamSettings settings = new BZip2OutputStreamSettings().setNumberOfEncoderThreads(Runtime.getRuntime().availableProcessors());
+		BZip2OutputStreamSettings settings = new BZip2OutputStreamSettings().setNumberOfEncoderThreads(coreLimit);
 
 		long start = System.nanoTime();
 

src/main/java/net/szum123321/textile_backup/core/compressors/ParallelGzipCompressor.java

@@ -0,0 +1,59 @@
+package net.szum123321.textile_backup.core.compressors;
+
+import net.minecraft.server.command.ServerCommandSource;
+import net.szum123321.textile_backup.TextileBackup;
+import net.szum123321.textile_backup.core.Utilities;
+import org.anarres.parallelgzip.ParallelGZIPOutputStream;
+import org.apache.commons.compress.archivers.ArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
+import org.apache.commons.compress.utils.IOUtils;
+
+import java.io.*;
+import java.nio.file.Files;
+
+public class ParallelGzipCompressor {
+	public static void createArchive(File in, File out, ServerCommandSource ctx, int coreLimit) {
+		Utilities.log("Starting compression...", ctx);
+
+		long start = System.nanoTime();
+
+		try (FileOutputStream outStream = new FileOutputStream(out);
+			 BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(outStream);
+			 ParallelGZIPOutputStream gzipOutputStream = new ParallelGZIPOutputStream(bufferedOutputStream, coreLimit);
+			 TarArchiveOutputStream arc = new TarArchiveOutputStream(gzipOutputStream)) {
+
+			arc.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
+			arc.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
+
+			File input = in.getCanonicalFile();
+
+			Files.walk(input.toPath()
+			).filter(path -> !path.equals(input.toPath()) &&
+					path.toFile().isFile() &&
+					!Utilities.isBlacklisted(input.toPath().relativize(path))
+			).forEach(path -> {
+				File file = path.toAbsolutePath().toFile();
+
+				try (FileInputStream fin = new FileInputStream(file);
+					 BufferedInputStream bfin = new BufferedInputStream(fin)) {
+					ArchiveEntry entry = arc.createArchiveEntry(file, input.toPath().relativize(path).toString());
+
+					arc.putArchiveEntry(entry);
+					IOUtils.copy(bfin, arc);
+
+					arc.closeArchiveEntry();
+				} catch (IOException e) {
+					TextileBackup.logger.error(e.getMessage());
+				}
+			});
+
+			arc.finish();
+		} catch (IOException e) {
+			TextileBackup.logger.error(e.toString());
+		}
+
+		long end = System.nanoTime();
+
+		Utilities.log("Compression took: " + ((end - start) / 1000000000.0) + "s", ctx);
+	}
+}

src/main/java/net/szum123321/textile_backup/core/compressors/ParallelZipCompressor.java

@@ -11,6 +11,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.LocalDateTime;
 import java.util.concurrent.*;
+import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 
 /*
@@ -21,7 +22,7 @@ import java.util.zip.ZipEntry;
 */
 
 public class ParallelZipCompressor {
-	public static void createArchive(File in, File out, ServerCommandSource ctx) {
+	public static void createArchive(File in, File out, ServerCommandSource ctx, int coreLimit) {
 		Utilities.log("Starting compression...", ctx);
 
 		long start = System.nanoTime();
@@ -30,7 +31,7 @@ public class ParallelZipCompressor {
 			 BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
 			 ZipArchiveOutputStream arc = new ZipArchiveOutputStream(bufferedOutputStream)) {
 
-			ParallelScatterZipCreator scatterZipCreator = new ParallelScatterZipCreator();
+			ParallelScatterZipCreator scatterZipCreator = new ParallelScatterZipCreator(Executors.newFixedThreadPool(coreLimit));
 
 			arc.setMethod(ZipArchiveOutputStream.DEFLATED);
 			arc.setUseZip64(Zip64Mode.AsNeeded);
@@ -43,7 +44,7 @@ public class ParallelZipCompressor {
 			).filter(path -> !path.equals(input.toPath()) &&
 					path.toFile().isFile() &&
 					!Utilities.isBlacklisted(input.toPath().relativize(path))
-			).forEach(p -> {
+			).collect(Collectors.toList()).parallelStream().forEach(p -> {
 				ZipArchiveEntry entry = new ZipArchiveEntry(input.toPath().relativize(p).toString());
 				entry.setMethod(ZipEntry.DEFLATED);
 				FileInputStreamSupplier supplier = new FileInputStreamSupplier(p);