Examples of BerkeleyDBBinaryDataStore

Examples of com.opengamma.engine.cache.BerkeleyDBBinaryDataStore

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    final Random random = new Random();
   
    File dbDir = createDbDir("putPerformanceTest");
    Environment dbEnvironment = BerkeleyDBViewComputationCacheSource.constructDatabaseEnvironment(dbDir, false);
   
    BerkeleyDBBinaryDataStore dataStore = new BerkeleyDBBinaryDataStore(dbEnvironment, "putPerformanceTest");
    dataStore.start();
   
    OperationTimer timer = new OperationTimer(s_logger, "Writing {} entries", numEntries);
   
    int randRange = maxEntrySize - minEntrySize;
    for (int i = 0; i < numEntries; i++) {
      int nBytes = minEntrySize + random.nextInt(randRange);
      byte[] bytes = new byte[nBytes];
      random.nextBytes(bytes);
      dataStore.put(i, bytes);
    }
   
    long numMillis = timer.finished();

    double msPerPut = ((double) numMillis) / ((double) numEntries);
    double putsPerSecond = 1000.0 / msPerPut;
   
    s_logger.info("for {} entries, {} ms/put, {} puts/sec", new Object[] {numEntries, msPerPut, putsPerSecond});
   
    dataStore.delete();
    dataStore.stop();
    dbEnvironment.close();
  }
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Examples of com.opengamma.engine.cache.BerkeleyDBBinaryDataStore

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    final Random random = new Random();
   
    File dbDir = createDbDir("getPerformanceTest");
    Environment dbEnvironment = BerkeleyDBViewComputationCacheSource.constructDatabaseEnvironment(dbDir, false);
   
    BerkeleyDBBinaryDataStore dataStore = new BerkeleyDBBinaryDataStore(dbEnvironment, "getPerformanceTest");
    dataStore.start();
   
    int randRange = maxEntrySize - minEntrySize;
    for (int i = 0; i < numEntries; i++) {
      int nBytes = minEntrySize + random.nextInt(randRange);
      byte[] bytes = new byte[nBytes];
      random.nextBytes(bytes);
      dataStore.put(i, bytes);
    }
   
    OperationTimer timer = new OperationTimer(s_logger, "Loading {} entries", numGets);
    for (int j = 0; j < numCycles; j++) {
      for (int i = 0; i < numEntries; i++) {
        byte[] data = dataStore.get(i);
        assertNotNull(data);
        assertTrue(data.length >= minEntrySize);
        assertTrue(data.length <= maxEntrySize);
      }
    }
   
    long numMillis = timer.finished();

    double msPerGet = ((double) numMillis) / ((double) numGets);
    double getsPerSecond = 1000.0 / msPerGet;
   
    s_logger.info("for {} gets, {} ms/get, {} gets/sec", new Object[] {numGets, msPerGet, getsPerSecond});
   
    dataStore.delete();
    dataStore.stop();
    dbEnvironment.close();
  }
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Examples of com.opengamma.engine.cache.BerkeleyDBBinaryDataStore

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    final Random random = new Random();
   
    File dbDir = createDbDir("parallelPutGetTest");
    Environment dbEnvironment = BerkeleyDBViewComputationCacheSource.constructDatabaseEnvironment(dbDir, false);
   
    final BerkeleyDBBinaryDataStore dataStore = new BerkeleyDBBinaryDataStore(dbEnvironment, "parallelPutGetTest");
    dataStore.start();
   
    final AtomicLong currentMaxIdentifier = new AtomicLong(0L);
    final byte[] bytes = new byte[100];
    random.nextBytes(bytes);
    Thread tPut = new Thread(new Runnable() {
      @Override
      public void run() {
        OperationTimer timer = new OperationTimer(s_logger, "Putting {} entries", numEntries);
        for (int i = 0; i < numEntries; i++) {
          random.nextBytes(bytes);
          dataStore.put(i, bytes);
          currentMaxIdentifier.set(i);
        }
        long numMillis = timer.finished();

        double msPerPut = ((double) numMillis) / ((double) numGets);
        double putsPerSecond = 1000.0 / msPerPut;
       
        s_logger.info("for {} puts, {} ms/put, {} puts/sec", new Object[] {numEntries, msPerPut, putsPerSecond});
      }
     
    }, "Putter");
   
    class GetRunner implements Runnable {
      @Override
      public void run() {
        OperationTimer timer = new OperationTimer(s_logger, "Getting {} entries", numGets);
        for (int i = 0; i < numGets; i++) {
          int maxIdentifier = (int) currentMaxIdentifier.get();
          long actualIdentifier = random.nextInt(maxIdentifier);
          dataStore.get(actualIdentifier);
        }
        long numMillis = timer.finished();

        double msPerGet = ((double) numMillis) / ((double) numGets);
        double getsPerSecond = 1000.0 / msPerGet;
       
        s_logger.info("for {} gets, {} ms/get, {} gets/sec", new Object[] {numGets, msPerGet, getsPerSecond});
      }
    };
    Thread tGet1 = new Thread(new GetRunner(), "getter-1");
    Thread tGet2 = new Thread(new GetRunner(), "getter-2");
    //Thread tGet3 = new Thread(new GetRunner(), "getter-3");
    //Thread tGet4 = new Thread(new GetRunner(), "getter-4");
    //Thread tGet5 = new Thread(new GetRunner(), "getter-5");
   
    tPut.start();
    Thread.sleep(5L);
    tGet1.start();
    tGet2.start();
    //tGet3.start();
    //tGet4.start();
    //tGet5.start();
   
    tPut.join();
    tGet1.join();
    tGet2.join();
    //tGet3.join();
    //tGet4.join();
    //tGet5.join();
   
    dataStore.delete();
    dataStore.stop();
    dbEnvironment.close();
  }
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