| /** |
| * 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.activemq.store.kahadb.disk.index; |
| |
| import org.apache.activemq.store.kahadb.disk.page.PageFile; |
| import org.apache.activemq.store.kahadb.disk.page.Transaction; |
| import org.apache.activemq.store.kahadb.disk.util.LongMarshaller; |
| import org.apache.activemq.store.kahadb.disk.util.StringMarshaller; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.util.LinkedList; |
| |
| public class PageFileTransactionAsyncTest { |
| |
| @Test(timeout=60000) |
| public void testLargeTransactionPageOkForReuse() throws Exception { |
| |
| int numPagesToExercise = 4000; |
| |
| PageFile pf = new PageFile(new File("target/test-data"), "PageFileTransactionAsyncTest"); |
| pf.setEnableWriteThread(true); |
| pf.setWriteBatchSize(5000); |
| pf.load(); |
| |
| LinkedList<Index> indices = new LinkedList<>(); |
| for (int i=0; i<numPagesToExercise; i++) { |
| indices.add(createIndex(pf)); |
| } |
| |
| // large tx |
| Transaction tx = pf.tx(); |
| for (Index i : indices) { |
| for (int j=0; j<10; j++) { |
| i.put(tx, key(j), (long) j); |
| } |
| } |
| tx.commit(); |
| |
| // with some of those writes disk bound, exercise again |
| for (Index i : indices) { |
| tx = pf.tx(); |
| i.put(tx, key(0), (long)0); |
| tx.commit(); |
| } |
| |
| // lets see if it is ok! |
| pf.flush(); |
| pf.unload(); |
| pf.delete(); |
| } |
| |
| private String key(int v) { |
| return "key:"+v; |
| } |
| |
| protected Index<String, Long> createIndex(PageFile pf) throws Exception { |
| |
| Transaction tx = pf.tx(); |
| long id = tx.allocate().getPageId(); |
| |
| BTreeIndex<String, Long> index = new BTreeIndex<String,Long>(pf, id); |
| index.setKeyMarshaller(StringMarshaller.INSTANCE); |
| index.setValueMarshaller(LongMarshaller.INSTANCE); |
| index.load(tx); |
| tx.commit(); |
| |
| return index; |
| } |
| |
| } |