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Posted to commits@directmemory.apache.org by to...@apache.org on 2012/06/12 14:03:06 UTC

svn commit: r1349283 - in /incubator/directmemory/trunk/integrations/solr/src: main/java/org/apache/directmemory/examples/solr/ main/java/org/apache/directmemory/solr/ test/java/org/apache/directmemory/examples/solr/ test/java/org/apache/directmemory/s...

Author: tommaso
Date: Tue Jun 12 12:03:05 2012
New Revision: 1349283

URL: http://svn.apache.org/viewvc?rev=1349283&view=rev
Log:
[DIRECTMEMORY-89] - moving the classes in o.a.dm.solr instead of o.a.dm.examples.solr

Added:
    incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/
    incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/SolrOffHeapCache.java
    incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/package-info.java
    incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/
    incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapCacheTest.java
    incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapIntegrationTest.java
Removed:
    incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/examples/solr/
    incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/examples/solr/
Modified:
    incubator/directmemory/trunk/integrations/solr/src/test/resources/solr/config/solrconfig.xml

Added: incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/SolrOffHeapCache.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/SolrOffHeapCache.java?rev=1349283&view=auto
==============================================================================
--- incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/SolrOffHeapCache.java (added)
+++ incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/SolrOffHeapCache.java Tue Jun 12 12:03:05 2012
@@ -0,0 +1,321 @@
+package org.apache.directmemory.solr;
+
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicLong;
+
+import org.apache.directmemory.DirectMemory;
+import org.apache.directmemory.cache.CacheService;
+import org.apache.directmemory.measures.Monitor;
+import org.apache.directmemory.measures.Ram;
+import org.apache.directmemory.serialization.Serializer;
+import org.apache.directmemory.serialization.SerializerFactory;
+import org.apache.directmemory.serialization.SerializerNotFoundException;
+import org.apache.solr.common.util.NamedList;
+import org.apache.solr.common.util.SimpleOrderedMap;
+import org.apache.solr.core.SolrCore;
+import org.apache.solr.search.CacheRegenerator;
+import org.apache.solr.search.SolrCache;
+import org.apache.solr.search.SolrIndexSearcher;
+
+/**
+ * A {@link SolrCache} based on Apache DirectMemory
+ */
+public class SolrOffHeapCache<K, V>
+    implements SolrCache<K, V>
+{
+
+    private static class CumulativeStats
+    {
+        AtomicLong lookups = new AtomicLong();
+
+        AtomicLong hits = new AtomicLong();
+
+        AtomicLong inserts = new AtomicLong();
+
+        AtomicLong evictions = new AtomicLong();
+    }
+
+    private CumulativeStats stats;
+
+    private long lookups;
+
+    private long hits;
+
+    private long inserts;
+
+    private long evictions;
+
+    private long warmupTime = 0;
+
+    private String name;
+
+    private int autowarmCount;
+
+    private State state;
+
+    private CacheRegenerator regenerator;
+
+    private String description = "DM Cache";
+
+    private CacheService<K, V> cacheService;
+
+    public CacheService<K, V> getCacheService()
+    {
+        return cacheService;
+    }
+
+    @Override
+    public Object init( Map args, Object persistence, CacheRegenerator regenerator )
+    {
+
+
+        Object buffers = args.get( "buffers" );
+        String sizeStr = String.valueOf( args.get( "size" ) );
+        Integer capacity = Integer.parseInt( String.valueOf( args.get( "initialSize" ) ) );
+
+        cacheService = new DirectMemory<K, V>()
+                        .setNumberOfBuffers( buffers != null ? Integer.valueOf( String.valueOf( buffers ) ) : 1 )
+                        .setInitialCapacity( Ram.Mb( Double.valueOf( capacity ) / 512 ) )
+                        .setSize( Ram.Mb( Double.valueOf( sizeStr ) / 512 ) )
+                        .newCacheService();
+
+        String serializerClassName = (String) args.get( "serializerClassName" );
+        if ( serializerClassName != null )
+        {
+            Serializer serializer;
+            try
+            {
+                serializer = SerializerFactory.createNewSerializer( serializerClassName );
+            }
+            catch ( SerializerNotFoundException e )
+            {
+                log.warn( "Serializer not found for class " + serializerClassName +
+            			", falling back to the default serializer", e);
+                serializer = SerializerFactory.createNewSerializer();
+            }
+
+            cacheService.setSerializer( serializer );
+        }
+
+        state = State.CREATED;
+        this.regenerator = regenerator;
+        name = (String) args.get( "name" );
+        final int limit = sizeStr == null ? 1024 : Integer.parseInt( sizeStr );
+        String str = (String) args.get( "initialSize" );
+        final int initialSize = Math.min( str == null ? 1024 : Integer.parseInt( str ), limit );
+        str = (String) args.get( "autowarmCount" );
+        autowarmCount = str == null ? 0 : Integer.parseInt( str );
+
+        description = "Solr OffHeap Cache(maxSize=" + limit + ", initialSize=" + initialSize;
+        if ( autowarmCount > 0 )
+        {
+            description += ", autowarmCount=" + autowarmCount + ", regenerator=" + regenerator;
+        }
+        description += ')';
+
+        if ( persistence == null )
+        {
+            // must be the first time a cache of this type is being created
+            persistence = new CumulativeStats();
+        }
+
+        stats = (CumulativeStats) persistence;
+
+        return persistence;
+    }
+
+    @Override
+    public String name()
+    {
+        return name;
+    }
+
+    @Override
+    public int size()
+    {
+        return Long.valueOf( cacheService.entries() ).intValue();
+    }
+
+    @Override
+    public V put( K key, V value )
+    {
+        synchronized ( this )
+        {
+            if ( state == State.LIVE )
+            {
+                stats.inserts.incrementAndGet();
+            }
+
+            inserts++;
+            cacheService.put( key, value );
+            return value;
+        }
+    }
+
+    @Override
+    public V get( K key )
+    {
+        synchronized ( this )
+        {
+            V val = cacheService.retrieve( key );
+            if ( state == State.LIVE )
+            {
+                // only increment lookups and hits if we are live.
+                lookups++;
+                stats.lookups.incrementAndGet();
+                if ( val != null )
+                {
+                    hits++;
+                    stats.hits.incrementAndGet();
+                }
+            }
+            return val;
+        }
+    }
+
+    @Override
+    public void clear()
+    {
+        synchronized ( this )
+        {
+            cacheService.clear();
+        }
+    }
+
+    @Override
+    public void setState( State state )
+    {
+        this.state = state;
+    }
+
+    @Override
+    public State getState()
+    {
+        return state;
+    }
+
+    @Override
+    public void warm( SolrIndexSearcher searcher, SolrCache<K, V> old )
+        throws IOException
+    {
+        // it looks like there is no point in warming an off heap item
+    }
+
+    @Override
+    public void close()
+    {
+        cacheService.dump();
+        Monitor.dump();
+    }
+
+    @Override
+    public String getName()
+    {
+        return SolrOffHeapCache.class.getName();
+    }
+
+    @Override
+    public String getVersion()
+    {
+        return SolrCore.version;
+    }
+
+    public String getDescription()
+    {
+        return description;
+    }
+
+    public Category getCategory()
+    {
+        return Category.CACHE;
+    }
+
+    @Override
+    public String getSourceId()
+    {
+        return null;
+    }
+
+    @Override
+    public String getSource()
+    {
+        return null;
+    }
+
+    @Override
+    public URL[] getDocs()
+    {
+        return new URL[0];
+    }
+
+    public NamedList getStatistics()
+    {
+        NamedList lst = new SimpleOrderedMap();
+        synchronized ( this )
+        {
+            lst.add( "lookups", lookups );
+            lst.add( "hits", hits );
+            lst.add( "hitratio", calcHitRatio( lookups, hits ) );
+            lst.add( "inserts", inserts );
+            lst.add( "evictions", evictions );
+            lst.add( "size", cacheService.entries() );
+        }
+
+        lst.add( "warmupTime", warmupTime );
+
+        long clookups = stats.lookups.get();
+        long chits = stats.hits.get();
+        lst.add( "cumulative_lookups", clookups );
+        lst.add( "cumulative_hits", chits );
+        lst.add( "cumulative_hitratio", calcHitRatio( clookups, chits ) );
+        lst.add( "cumulative_inserts", stats.inserts.get() );
+        lst.add( "cumulative_evictions", stats.evictions.get() );
+
+        return lst;
+    }
+
+    private Object calcHitRatio( long clookups, long chits )
+    {
+        if ( lookups == 0 )
+        {
+            return "0.00";
+        }
+        if ( lookups == hits )
+        {
+            return "1.00";
+        }
+        int hundredths = (int) ( hits * 100 / lookups );   // rounded down
+        if ( hundredths < 10 )
+        {
+            return "0.0" + hundredths;
+        }
+        return "0." + hundredths;
+    }
+
+    @Override
+    public String toString()
+    {
+        return name + getStatistics().toString();
+    }
+}

Added: incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/package-info.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/package-info.java?rev=1349283&view=auto
==============================================================================
--- incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/package-info.java (added)
+++ incubator/directmemory/trunk/integrations/solr/src/main/java/org/apache/directmemory/solr/package-info.java Tue Jun 12 12:03:05 2012
@@ -0,0 +1,23 @@
+/**
+ * Apache Solr cache integration.
+ */
+package org.apache.directmemory.solr;
+
+/*
+ * 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.
+ */

Added: incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapCacheTest.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapCacheTest.java?rev=1349283&view=auto
==============================================================================
--- incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapCacheTest.java (added)
+++ incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapCacheTest.java Tue Jun 12 12:03:05 2012
@@ -0,0 +1,102 @@
+/**
+ * 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.directmemory.solr;
+
+import org.apache.directmemory.serialization.StandardSerializer;
+import org.apache.directmemory.solr.SolrOffHeapCache;
+import org.apache.lucene.search.MatchAllDocsQuery;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Sort;
+import org.apache.solr.common.util.NamedList;
+import org.apache.solr.search.QueryResultKey;
+import org.apache.solr.search.function.DocValues;
+import org.apache.solr.search.function.QueryValueSource;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+/**
+ * Testcase for {@link org.apache.directmemory.solr.SolrOffHeapCache}
+ */
+public class SolrOffHeapCacheTest
+{
+
+    private Logger log = LoggerFactory.getLogger( getClass() );
+
+    private SolrOffHeapCache solrOffHeapCache;
+
+    @Before
+    public void setUp()
+    {
+        solrOffHeapCache = new SolrOffHeapCache();
+        Map<String, String> args = new HashMap<String, String>();
+        args.put( "size", "10000" );
+        args.put( "initialSize", "1000" );
+        args.put( "serializerClassName", StandardSerializer.class.getName() );
+        try
+        {
+            solrOffHeapCache.init( args, null, null );
+        }
+        catch ( NoClassDefFoundError e )
+        {
+            log.error( e.getMessage(), e );
+            throw e;
+        }
+    }
+
+    @After
+    public void tearDown()
+    {
+        solrOffHeapCache.clear();
+        solrOffHeapCache.close();
+    }
+
+    @Test
+    public void testStatisticsWhenCacheNotUsedYet()
+        throws Exception
+    {
+
+        NamedList stats = solrOffHeapCache.getStatistics();
+        assertNotNull( stats );
+        assertEquals( 0l, stats.get( "lookups" ) );
+        assertEquals( 0l, stats.get( "evictions" ) );
+        assertEquals( 0l, stats.get( "hits" ) );
+        assertEquals( 0l, stats.get( "inserts" ) );
+    }
+
+    @Test
+    public void testPut()
+        throws Exception
+    {
+
+        MatchAllDocsQuery query = new MatchAllDocsQuery();
+        QueryResultKey queryResultKey =
+            new QueryResultKey(query, new ArrayList<Query>(), new Sort(), 1 );
+
+        solrOffHeapCache.put( queryResultKey, new QueryValueSource(query,1) );
+
+    }
+}

Added: incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapIntegrationTest.java
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapIntegrationTest.java?rev=1349283&view=auto
==============================================================================
--- incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapIntegrationTest.java (added)
+++ incubator/directmemory/trunk/integrations/solr/src/test/java/org/apache/directmemory/solr/SolrOffHeapIntegrationTest.java Tue Jun 12 12:03:05 2012
@@ -0,0 +1,75 @@
+/**
+ * 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.directmemory.solr;
+
+import static org.junit.Assert.assertTrue;
+
+import org.apache.directmemory.solr.SolrOffHeapCache;
+import org.apache.solr.request.LocalSolrQueryRequest;
+import org.apache.solr.util.TestHarness;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ */
+public class SolrOffHeapIntegrationTest
+{
+
+    private static SolrOffHeapCache<Object, Object> solrOffHeapCache;
+
+    private static TestHarness h;
+
+    @BeforeClass
+    public static void setUp()
+    {
+        String data = "target/data/expand";
+        String config = SolrOffHeapCache.class.getResource( "/solr/config/solrconfig.xml" ).getFile();
+        String schema = SolrOffHeapCache.class.getResource( "/solr/config/schema.xml" ).getFile();
+        h = new TestHarness( data, config, schema );
+        solrOffHeapCache = new SolrOffHeapCache<Object, Object>();
+    }
+
+    @AfterClass
+    public static void tearDown()
+    {
+        // FIXME restore this when issue with static is fixed
+        //solrOffHeapCache.getCacheService().clear();
+    }
+
+    @Test
+    @Ignore // FIXME need TomNaso help - now I see why he needed a static CacheService reference
+    public void testSimpleQuery()
+        throws Exception
+    {
+
+        // add a doc to Solr
+        h.validateAddDoc( "id", "1", "text", "something is happening here" );
+
+        // make the query
+        LocalSolrQueryRequest request = h.getRequestFactory( "standard", 0, 10 ).makeRequest( "q", "something" );
+        String response = h.query( "standard", request );
+        assertTrue( response != null );
+        assertTrue( !response.contains( "error" ) );
+
+        // check the cache has been hit
+        assertTrue( solrOffHeapCache.getCacheService().entries() > 0 );
+
+
+    }
+}

Modified: incubator/directmemory/trunk/integrations/solr/src/test/resources/solr/config/solrconfig.xml
URL: http://svn.apache.org/viewvc/incubator/directmemory/trunk/integrations/solr/src/test/resources/solr/config/solrconfig.xml?rev=1349283&r1=1349282&r2=1349283&view=diff
==============================================================================
--- incubator/directmemory/trunk/integrations/solr/src/test/resources/solr/config/solrconfig.xml (original)
+++ incubator/directmemory/trunk/integrations/solr/src/test/resources/solr/config/solrconfig.xml Tue Jun 12 12:03:05 2012
@@ -360,7 +360,7 @@
       for each document). Since Lucene internal document ids are
       transient, this cache will not be autowarmed.
     -->
-    <queryResultCache class="org.apache.directmemory.examples.solr.SolrOffHeapCache" size="10000"
+    <queryResultCache class="org.apache.directmemory.solr.SolrOffHeapCache" size="10000"
                       initialSize="1000" autowarmCount="0" buffers="2"
                       serializerClassName="org.apache.directmemory.serialization.protostuff.ProtoStuffWithLinkedBufferSerializer"/>