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From Hiram Chirino <chir...@gmail.com>
Subject Re: svn commit: r748218 - in /activemq/trunk: activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java
Date Fri, 27 Feb 2009 05:34:39 GMT
Nice catch Gary!

On Thu, Feb 26, 2009 at 12:32 PM,  <gtully@apache.org> wrote:
> Author: gtully
> Date: Thu Feb 26 17:32:37 2009
> New Revision: 748218
>
> URL: http://svn.apache.org/viewvc?rev=748218&view=rev
> Log:
> resolve mem leak in kahadb - AMQ-2143
>
> Added:
>    activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
  (with props)
> Modified:
>    activemq/trunk/kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java
>
> Added: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
> URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java?rev=748218&view=auto
> ==============================================================================
> --- activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
(added)
> +++ activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
Thu Feb 26 17:32:37 2009
> @@ -0,0 +1,54 @@
> +/**
> + * 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.perf;
> +
> +import java.io.File;
> +
> +import org.apache.activemq.broker.BrokerService;
> +import org.apache.activemq.store.kahadb.KahaDBStore;
> +
> +/**
> + * @version $Revision$
> + */
> +public class KahaDBQueueTest extends SimpleQueueTest {
> +
> +    protected void configureBroker(BrokerService answer,String uri) throws Exception
{
> +
> +        File dataFileDir = new File("target/test-amq-data/perfTest/kahadb");
> +
> +        KahaDBStore kaha = new KahaDBStore();
> +        kaha.setDirectory(dataFileDir);
> +
> +        // The setEnableJournalDiskSyncs(false) setting is a little dangerous right
now, as I have not verified
> +        // what happens if the index is updated but a journal update is lost.
> +        // Index is going to be in consistent, but can it be repaired?
> +        kaha.setEnableJournalDiskSyncs(false);
> +        // Using a bigger journal file size makes he take fewer spikes as it is
not switching files as often.
> +        kaha.setJournalMaxFileLength(1024*100);
> +
> +        // small batch means more frequent and smaller writes
> +        kaha.setIndexWriteBatchSize(100);
> +        // do the index write in a separate thread
> +        kaha.setEnableIndexWriteAsync(true);
> +
> +        answer.setPersistenceAdapter(kaha);
> +        answer.addConnector(uri);
> +        answer.setDeleteAllMessagesOnStartup(true);
> +
> +    }
> +
> +}
>
> Propchange: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
> ------------------------------------------------------------------------------
>    svn:eol-style = native
>
> Propchange: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java
> ------------------------------------------------------------------------------
>    svn:keywords = Rev Date
>
> Modified: activemq/trunk/kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java
> URL: http://svn.apache.org/viewvc/activemq/trunk/kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java?rev=748218&r1=748217&r2=748218&view=diff
> ==============================================================================
> --- activemq/trunk/kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java
(original)
> +++ activemq/trunk/kahadb/src/main/java/org/apache/kahadb/journal/DataFileAppender.java
Thu Feb 26 17:32:37 2009
> @@ -175,6 +175,9 @@
>         // assigned
>         // by the data manager (which is basically just appending)
>
> +        if (!sync) {
> +            inflightWrites.put(new WriteKey(location), write);
> +        }
>         synchronized (this) {
>             batch = enqueue(write);
>         }
> @@ -185,9 +188,8 @@
>             } catch (InterruptedException e) {
>                 throw new InterruptedIOException();
>             }
> -        } else {
> -               inflightWrites.put(new WriteKey(location), write);
>         }
> +
>
>         return location;
>     }
>
>
>



-- 
Regards,
Hiram

Blog: http://hiramchirino.com

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