| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.zookeeper.server; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import org.apache.jute.BinaryInputArchive; |
| import org.apache.jute.BinaryOutputArchive; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.zookeeper.KeeperException; |
| import org.apache.zookeeper.ZKTestCase; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class DeserializationPerfTest extends ZKTestCase { |
| protected static final Logger LOG = LoggerFactory.getLogger(DeserializationPerfTest.class); |
| |
| private static void deserializeTree(int depth, int width, int len) |
| throws InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| BinaryInputArchive ia; |
| int count; |
| { |
| DataTree tree = new DataTree(); |
| SerializationPerfTest.createNodes(tree, "/", depth, tree.getNode("/").stat.getCversion(), width, new byte[len]); |
| count = tree.getNodeCount(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| BinaryOutputArchive oa = BinaryOutputArchive.getArchive(baos); |
| tree.serialize(oa, "test"); |
| baos.flush(); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| ia = BinaryInputArchive.getArchive(bais); |
| } |
| |
| DataTree dserTree = new DataTree(); |
| |
| System.gc(); |
| long start = System.nanoTime(); |
| dserTree.deserialize(ia, "test"); |
| long end = System.nanoTime(); |
| long durationms = (end - start) / 1000000L; |
| long pernodeus = ((end - start) / 1000L) / count; |
| |
| Assert.assertEquals(count, dserTree.getNodeCount()); |
| |
| LOG.info("Deserialized " + count + " nodes in " + durationms |
| + " ms (" + pernodeus + "us/node), depth=" + depth + " width=" |
| + width + " datalen=" + len); |
| } |
| |
| @Test |
| public void testSingleDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(1, 0, 20); |
| } |
| |
| @Test |
| public void testWideDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(2, 10000, 20); |
| } |
| |
| @Test |
| public void testDeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(400, 1, 20); |
| } |
| |
| @Test |
| public void test10Wide5DeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(5, 10, 20); |
| } |
| |
| @Test |
| public void test15Wide5DeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(5, 15, 20); |
| } |
| |
| @Test |
| public void test25Wide4DeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(4, 25, 20); |
| } |
| |
| @Test |
| public void test40Wide4DeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(4, 40, 20); |
| } |
| |
| @Test |
| public void test300Wide3DeepDeserialize() throws |
| InterruptedException, IOException, KeeperException.NodeExistsException, KeeperException.NoNodeException { |
| deserializeTree(3, 300, 20); |
| } |
| |
| } |