Package com.sleepycat.je.log

Examples of com.sleepycat.je.log.FileManager$FileCache

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      directNIO =
    configManager.getBoolean(EnvironmentParams.LOG_DIRECT_NIO);

            isReadOnly =
    configManager.getBoolean(EnvironmentParams.ENV_RDONLY);
            fileManager = new FileManager(this, envHome, isReadOnly);
            if (!envConfig.getAllowCreate() && !fileManager.filesExist()) {
                throw new DatabaseException
        ("Enviroment creation isn't allowed, " +
         " but there is no pre-existing " +
         " environment in " + envHome);
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        throws DatabaseException {

        info = new RecoveryInfo();

        try {
            FileManager fileManager = env.getFileManager();
      DbConfigManager configManager = env.getConfigManager();
      boolean forceCheckpoint =
    configManager.getBoolean
    (EnvironmentParams.ENV_RECOVERY_FORCE_CHECKPOINT);
            if (fileManager.filesExist()) {

                /*
                 * Establish the location of the end of the log. After this, we
                 * can write to the log. No Tracer calls are allowed until
                 * after this point is established in the log.
                 */
                findEndOfLog(readOnly);
                Tracer.trace(Level.CONFIG, env,
                             "Recovery underway, found end of log");
       
                /*
                 * Establish the location of the root, the last checkpoint, and
                 * the first active LSN by finding the last checkpoint.
                 */
                findLastCheckpoint();
    env.getLogManager().setLastLsnAtRecovery
        (fileManager.getLastUsedLsn());
                Tracer.trace(Level.CONFIG, env,
                             "Recovery checkpoint search, " +
                             info);

                /* Read in the root. */
 
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    private void doCleanerTest(int nKeys, int nDupsPerKey)
        throws DatabaseException {

        EnvironmentImpl environment =
            DbInternal.envGetEnvironmentImpl(exampleEnv);
        FileManager fileManager = environment.getFileManager();
        Map expectedMap = new HashMap();
        doLargePut(expectedMap, nKeys, nDupsPerKey, true);
        Long lastNum = fileManager.getLastFileNum();

        /* Read the data back. */
        StringDbt foundKey = new StringDbt();
        StringDbt foundData = new StringDbt();

        Cursor cursor = exampleDb.openCursor(null, null);

        while (cursor.getNext(foundKey, foundData, LockMode.DEFAULT) ==
               OperationStatus.SUCCESS) {
        }

  exampleEnv.checkpoint(forceConfig);

        for (int i = 0; i < (int) lastNum.longValue(); i++) {

            /*
             * Force clean one file.  Utilization-based cleaning won't
             * work here, since utilization is over 90%.
             */
            DbInternal.envGetEnvironmentImpl(exampleEnv).
    getCleaner().
    doClean(false, // invokedFromDaemon
      false, // cleanMultipleFiles
      true); // forceCleaning
        }

        EnvironmentStats stats = exampleEnv.getStats(TestUtils.FAST_STATS);
        assertTrue(stats.getNINsCleaned() > 0);
               
  cursor.close();
        closeEnv();

        initEnv(false, (nDupsPerKey > 1));

        checkData(expectedMap);
        assertTrue(fileManager.getLastFileNum().longValue() >
                   lastNum.longValue());

        closeEnv();
    }
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        initEnv(true, true);
        int nKeys = 200;
       
        EnvironmentImpl environment =
            DbInternal.envGetEnvironmentImpl(exampleEnv);
        FileManager fileManager = environment.getFileManager();
        /* Insert a lot of keys. ExpectedMap holds the expected data */
        Map expectedMap = new HashMap();
        doLargePut(expectedMap, nKeys, 1, true);

        /* Modify every other piece of data. */
        modifyData(expectedMap, 10, true);
        checkData(expectedMap);

        /* Checkpoint */
        exampleEnv.checkpoint(forceConfig);
        checkData(expectedMap);

        /* Modify every other piece of data. */
        modifyData(expectedMap, 10, true);
        checkData(expectedMap);

        /* Checkpoint -- this should obsolete INs. */
        exampleEnv.checkpoint(forceConfig);
        checkData(expectedMap);

        /* Clean */
        Long lastNum = fileManager.getLastFileNum();
        exampleEnv.cleanLog();

        /* Validate after cleaning. */
        checkData(expectedMap);
        EnvironmentStats stats = exampleEnv.getStats(TestUtils.FAST_STATS);

        /* Make sure we really cleaned something.*/
        assertTrue(stats.getNINsCleaned() > 0);
        assertTrue(stats.getNLNsCleaned() > 0);
               
        closeEnv();
        initEnv(false, true);
        checkData(expectedMap);
        assertTrue(fileManager.getLastFileNum().longValue() >
                   lastNum.longValue());

        closeEnv();
    }
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        int nKeys = 20; // test ends up inserting 2*nKeys
        int nDupsPerKey = 30;

        EnvironmentImpl environment =
            DbInternal.envGetEnvironmentImpl(exampleEnv);
        FileManager fileManager = environment.getFileManager();

        /* Insert some non dup data, modify, insert dup data. */
        Map expectedMap = new HashMap();
        doLargePut(expectedMap, nKeys, 1, true);
        modifyData(expectedMap, 10, true);
        doLargePut(expectedMap, nKeys, nDupsPerKey, true);
        checkData(expectedMap);

        /*
         * Delete all the data, but abort. (Try to fill up the log
         * with entries we don't need.
         */
        deleteData(expectedMap, false, false);
        checkData(expectedMap);

        /* Do some more insertions, but abort them. */
        doLargePut(expectedMap, nKeys, nDupsPerKey, false);
        checkData(expectedMap);

        /* Do some more insertions and commit them. */
        doLargePut(expectedMap, nKeys, nDupsPerKey, true);
        checkData(expectedMap);

        /* Checkpoint */
        exampleEnv.checkpoint(forceConfig);
        checkData(expectedMap);

        /* Clean */
        Long lastNum = fileManager.getLastFileNum();
        exampleEnv.cleanLog();
           
        /* Validate after cleaning. */
        checkData(expectedMap);
        EnvironmentStats stats = exampleEnv.getStats(TestUtils.FAST_STATS);

        /* Make sure we really cleaned something.*/
        assertTrue(stats.getNINsCleaned() > 0);
        assertTrue(stats.getNLNsCleaned() > 0);

        closeEnv();
        initEnv(false, true);
        checkData(expectedMap);
        assertTrue(fileManager.getLastFileNum().longValue() >
                   lastNum.longValue());

        closeEnv();
    }
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        envConfig.setAllowCreate(true);
        envConfig.setConfigParam
      (EnvironmentParams.ENV_RUN_CLEANER.getName(), "false");
        Environment env = new Environment(envHome, envConfig);
  EnvironmentImpl envImpl = DbInternal.envGetEnvironmentImpl(env);
  FileManager fileManager =
      DbInternal.envGetEnvironmentImpl(env).getFileManager();

        DatabaseConfig dbConfig = new DatabaseConfig();
        dbConfig.setAllowCreate(true);
        Database db1 =
      env.openDatabase(null, "db1", dbConfig);

        Database db2 =
      env.openDatabase(null, "db2", dbConfig);

  DatabaseEntry key = new DatabaseEntry();
  DatabaseEntry data = new DatabaseEntry();
  IntegerBinding.intToEntry(1, key);
  data.setData(new byte[100000]);
        for (int i = 0; i < 50; i++) {
            assertEquals(OperationStatus.SUCCESS, db2.put(null, key, data));
  }
  db1.close();
  db2.close();
        assertEquals("Should have 0 as current file", 0L,
                     fileManager.getCurrentFileNum());
  envImpl.forceLogFileFlip();
  env.close();

        env = new Environment(envHome, envConfig);
  fileManager = DbInternal.envGetEnvironmentImpl(env).getFileManager();
        assertEquals("Should have 1 as current file", 1L,
                     fileManager.getCurrentFileNum());

  db2 = env.openDatabase(null, "db2", dbConfig);

        for (int i = 0; i < 250; i++) {
            assertEquals(OperationStatus.SUCCESS, db2.put(null, key, data));
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                      boolean stats)
        throws IOException, DatabaseException {

        EnvironmentImpl env =
      CmdUtil.makeUtilityEnvironment(envHome, true);
        FileManager fileManager = env.getFileManager();
        fileManager.setIncludeDeletedFiles(true);
        int readBufferSize =
            env.getConfigManager().getInt
            (EnvironmentParams.LOG_ITERATOR_READ_SIZE);
       
        // Make a reader.
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            File file2 = new File (envHome, "00000003.jdb");
            file1.createNewFile();
            file2.createNewFile();
            long a = DbLsn.makeLsn(1, 10);
            long b = DbLsn.makeLsn(3, 40);
            FileManager fileManager =
                DbInternal.envGetEnvironmentImpl(env).getFileManager();
            assertEquals(130, DbLsn.getWithCleaningDistance
       (b, fileManager, a, 100));
            assertEquals(130, DbLsn.getWithCleaningDistance
       (a, fileManager, b, 100));
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             * memory available to this process.
             */
            memoryBudget =
                new MemoryBudget(this, sharedCacheEnv, configManager);

            fileManager = new FileManager(this, envHome, isReadOnly);
            if (!envConfig.getAllowCreate() && !fileManager.filesExist()) {
                throw new EnvironmentNotFoundException
                    (this, "Home directory: " + envHome);
            }

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                      boolean stats)
        throws IOException, DatabaseException {

        EnvironmentImpl env =
      CmdUtil.makeUtilityEnvironment(envHome, true);
        FileManager fileManager = env.getFileManager();
        fileManager.setIncludeDeletedFiles(true);
        int readBufferSize =
            env.getConfigManager().getInt
            (EnvironmentParams.LOG_ITERATOR_READ_SIZE);
       
        // Make a reader.
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Related Classes of com.sleepycat.je.log.FileManager$FileCache

  • com.sleepycat.je.cleaner.Cleaner
  • com.sleepycat.je.cleaner.CleanerTest
  • com.sleepycat.je.dbi.DbConfigManager
  • com.sleepycat.je.dbi.EnvironmentImpl
  • com.sleepycat.je.latch.Latch
  • com.sleepycat.je.log.entry.FileHeaderEntry
  • com.sleepycat.je.log.entry.LogEntry
  • com.sleepycat.je.recovery.RecoveryManager
  • com.sleepycat.je.recovery.RollbackTracker
  • com.sleepycat.je.rep.impl.networkRestore.LogFileFeeder
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