jackrabbit-oak-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From thom...@apache.org
Subject svn commit: r1466817 - /jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java
Date Thu, 11 Apr 2013 09:56:42 GMT
Author: thomasm
Date: Thu Apr 11 09:56:42 2013
New Revision: 1466817

URL: http://svn.apache.org/r1466817
Log:
OAK-752 Remove deprecated code and code in "old" packages (re-add the TimingWrapper)

Added:
    jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java

Added: jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java?rev=1466817&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java
(added)
+++ jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/util/TimingWrapper.java
Thu Apr 11 09:56:42 2013
@@ -0,0 +1,334 @@
+/*
+ * 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.jackrabbit.mongomk.util;
+
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.mk.api.MicroKernel;
+import org.apache.jackrabbit.mk.api.MicroKernelException;
+import org.apache.jackrabbit.mk.json.JsopBuilder;
+
+/**
+ * A MicroKernel wrapper that can be used to log and also time MicroKernel
+ * calls.
+ */
+public class TimingWrapper implements MicroKernel {
+
+    private static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("mk.debug",
"true"));
+    private static final AtomicInteger NEXT_ID = new AtomicInteger();
+
+    private final MicroKernel mk;
+    private final int id = NEXT_ID.getAndIncrement();
+
+    private long startTime;
+    private final Map<String, Count> counts = new HashMap<String, Count>();
+    private long lastLogTime;
+
+    /**
+     * A class that keeps track of timing data and call counts.
+     */
+    static class Count {
+        public long count;
+        public long max;
+        public long total;
+
+        void update(long time) {
+            count++;
+            if (time > max) {
+                max = time;
+            }
+            total += time;
+        }
+    }
+
+    public TimingWrapper(MicroKernel mk) {
+        this.mk = mk;
+        counts.put("commit", new Count());
+        counts.put("getHeadRevision", new Count());
+        counts.put("getJournal", new Count());
+        counts.put("diff", new Count());
+        counts.put("getLength", new Count());
+        counts.put("getNodes", new Count());
+        counts.put("getRevisionHistory", new Count());
+        counts.put("nodeExists", new Count());
+        counts.put("getChildNodeCount", new Count());
+        counts.put("read", new Count());
+        counts.put("waitForCommit", new Count());
+        counts.put("write", new Count());
+        counts.put("branch", new Count());
+        counts.put("merge", new Count());
+    }
+
+    @Override
+    public String commit(String path, String jsonDiff, String revisionId, String message)
{
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.commit(path, jsonDiff, revisionId, message);
+            updateAndLogTimes("commit", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    public void dispose() {
+        // do nothing
+    }
+
+    @Override
+    public String getHeadRevision() {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.getHeadRevision();
+            updateAndLogTimes("getHeadRevision", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getJournal(String fromRevisionId, String toRevisionId, String path) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.getJournal(fromRevisionId, toRevisionId, path);
+            updateAndLogTimes("getJournal", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String diff(String fromRevisionId, String toRevisionId, String path, int depth)
{
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.diff(fromRevisionId, toRevisionId, path, depth);
+            updateAndLogTimes("diff", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public long getLength(String blobId) {
+        try {
+            long start = System.currentTimeMillis();
+            long result = mk.getLength(blobId);
+            updateAndLogTimes("getLength", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getNodes(String path, String revisionId, int depth, long offset, int maxChildNodes,
String filter) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.getNodes(path, revisionId, depth, offset, maxChildNodes, filter);
+            updateAndLogTimes("getNodes", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String getRevisionHistory(long since, int maxEntries, String path) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.getRevisionHistory(since, maxEntries, path);
+            updateAndLogTimes("getRevisionHistory", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public boolean nodeExists(String path, String revisionId) {
+        try {
+            long start = System.currentTimeMillis();
+            boolean result = mk.nodeExists(path, revisionId);
+            updateAndLogTimes("nodeExists", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public long getChildNodeCount(String path, String revisionId) {
+        try {
+            long start = System.currentTimeMillis();
+            long result = mk.getChildNodeCount(path, revisionId);
+            updateAndLogTimes("getChildNodeCount", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public int read(String blobId, long pos, byte[] buff, int off, int length) {
+        try {
+            long start = System.currentTimeMillis();
+            int result = mk.read(blobId, pos, buff, off, length);
+            updateAndLogTimes("read", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String waitForCommit(String oldHeadRevisionId, long maxWaitMillis) throws InterruptedException
{
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.waitForCommit(oldHeadRevisionId, maxWaitMillis);
+            updateAndLogTimes("waitForCommit", start);
+            return result;
+        } catch (InterruptedException e) {
+            logException(e);
+            throw e;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String write(InputStream in) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.write(in);
+            updateAndLogTimes("write", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String branch(String trunkRevisionId) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.branch(trunkRevisionId);
+            updateAndLogTimes("branch", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Override
+    public String merge(String branchRevisionId, String message) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.merge(branchRevisionId, message);
+            updateAndLogTimes("merge", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    @Nonnull
+    @Override
+    public String rebase(@Nonnull String branchRevisionId, String newBaseRevisionId) {
+        try {
+            long start = System.currentTimeMillis();
+            String result = mk.rebase(branchRevisionId, newBaseRevisionId);
+            updateAndLogTimes("rebase", start);
+            return result;
+        } catch (Exception e) {
+            logException(e);
+            throw convert(e);
+        }
+    }
+
+    public static String quote(Object o) {
+        if (o == null) {
+            return "null";
+        } else if (o instanceof String) {
+            return JsopBuilder.encode((String) o);
+        }
+        return o.toString();
+    }
+
+    private RuntimeException convert(Exception e) {
+        if (e instanceof RuntimeException) {
+            return (RuntimeException) e;
+        }
+        log("// unexpected exception type: " + e.getClass().getName());
+        return new MicroKernelException("Unexpected exception: " + e.toString(), e);
+    }
+
+    private void logException(Exception e) {
+        log("// exception: " + e.toString());
+    }
+    
+    private void log(String message) {
+        if (DEBUG) {
+            System.out.println(id + " " + message);
+        }
+    }
+
+    private void updateAndLogTimes(String operation, long start) {
+        if (startTime == 0) {
+            startTime = System.currentTimeMillis();
+        }
+        counts.get(operation).update(System.currentTimeMillis() - start);
+        long now = System.currentTimeMillis();
+        if (now - lastLogTime >= 2000) {
+            lastLogTime = now;
+            for (Entry<String, Count> count : counts.entrySet()) {
+                double c = count.getValue().count;
+                double max = count.getValue().max;
+                double total = count.getValue().total;
+                double avg = total / c;
+                if (c > 0) {
+                    log(count.getKey() + " --> count:" + c + " avg: " + avg
+                            + " max: " + max + " total: " + total);
+                }
+            }
+            System.out.println("Time: " + ((now - startTime) / 1000L));
+            System.out.println("------");
+        }
+    }
+}



Mime
View raw message