bloblib v1.0.0

Author: tony4248

README.md

@@ -12,10 +12,16 @@ Packaged the core operations of the azure blob storage as a separated library, t
 
 
 ## Features and Updates:
+
+### Bump the version to v1.0.0
+
+* Optimize performance for large content uploads and downloads
+* Optimize performance for multiple files concurrently download/upload
+
 ### New features since v0.0.4 :
 
 * upload and down with multiple threads, more faster and stable.
-* Page blob is full supported.
+* Page blob is fully supported.
 
 ### New features since v0.0.3 :
 

bin/bloblib-0.0.4.jar renamed to bin/bloblib-1.0.0.jar

@@ -4,7 +4,7 @@
   <groupId>com.wesley</groupId>
   <artifactId>bloblib</artifactId>
   <name>A blob operation library built on top of azure blob service</name>
-  <version>0.0.3</version>
+  <version>1.0.0</version>
   <url>http://maven.apache.org</url>
   <build>
     <sourceDirectory>src</sourceDirectory>

dependency-reduced-pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>com.wesley</groupId>
   <artifactId>bloblib</artifactId>
-  <version>0.0.4</version>
+  <version>1.0.0</version>
   <name>A blob operation library built on top of azure blob service</name>
   <packaging>jar</packaging>
   <url>http://maven.apache.org</url>

pom.xml

@@ -19,9 +19,11 @@ public class ParallelDownloader {
 	/* instance of the object */
 	private static ParallelDownloader instance = null;
 	/* the number of threads */
-	private int defaultNumOfThreads = 8;
+	private int defaultNumOfThreads = 12;
+	/* the number of chunks */
+	private int defaultNumOfChunks = 4;
 	/* the minimum chunk size */
-	private int minChunkSize = 512 * 1024; // 512K
+	private int minChunkSize = 2 * 1024 * 1024; // 2MB
 	/* the downloader threads pool */
 	private static ThreadPuddle downloaderThreadsPool;
 	/* the factory of thread puddle class */
@@ -72,6 +74,7 @@ public synchronized static ParallelDownloader getInstance () {
 	private final void initTheDownLoaderThreadsPool(int numOfthreads){
 		threadPuddleFactory = new ThreadPuddleFactory();
 		threadPuddleFactory.setThreads(numOfthreads);
+		threadPuddleFactory.setTaskLimit(numOfthreads * 100);
 		threadPuddleFactory.setFifo(true);
 		downloaderThreadsPool = threadPuddleFactory.build();
 	}
@@ -80,7 +83,7 @@ private final void initTheDownLoaderThreadsPool(int numOfthreads){
 	private int getFinalNumOfChunks(long length){
 		int tmpBlockCount = (int)((float)length / (float)minChunkSize) + 1;
 		/* the final number of the chunks */
-		int numOfChunks = Math.min(defaultNumOfThreads, tmpBlockCount);
+		int numOfChunks = Math.min(defaultNumOfChunks, tmpBlockCount);
 		return numOfChunks;
 	}
 

src/main/java/com/wesley/bloblib/ParallelDownloader.java

@@ -29,9 +29,11 @@ public class ParallelUploader {
 	/* instance of the object */
 	private static ParallelUploader instance = null;
 	/* the number of threads */
-	private int defaultNumOfThreads = 8;
+	private int defaultNumOfThreads = 12;
+	/* the number of chunks */
+	private int defaultNumOfChunks = 4;
 	/* the minimum chunk size */
-	private int minChunkSize = 512 * 1024; // 512K
+	private int minChunkSize = 2 * 1024 * 1024; // 2MB
 	/* the uploader threads pool */
 	private static ThreadPuddle uploaderThreadsPool;
 	/* the factory of thread puddle class */
@@ -84,6 +86,7 @@ public synchronized static ParallelUploader getInstance () {
 	private final void initTheUploaderThreadsPool(int numOfthreads){
 		threadPuddleFactory = new ThreadPuddleFactory();
 		threadPuddleFactory.setThreads(numOfthreads);
+		threadPuddleFactory.setTaskLimit(numOfthreads * 100);
 		threadPuddleFactory.setFifo(true);
 		uploaderThreadsPool = threadPuddleFactory.build();
 	}
@@ -96,7 +99,7 @@ private final void initTheUploaderThreadsPool(int numOfthreads){
 	private int getFinalNumOfChunks(long length){
 		int tmpBlockCount = (int)((float)length / (float)minChunkSize) + 1;
 		/* the final number of the chunks */
-		int numOfChunks = Math.min(defaultNumOfThreads, tmpBlockCount);
+		int numOfChunks = Math.min(defaultNumOfChunks, tmpBlockCount);
 		return numOfChunks;
 	}