public BdbStorageConfiguration(VoldemortConfig config) { this.voldemortConfig = config; environmentConfig = new EnvironmentConfig(); environmentConfig.setTransactional(true); environmentConfig.setCacheSize(config.getBdbCacheSize()); if (config.isBdbWriteTransactionsEnabled() && config.isBdbFlushTransactionsEnabled()) { environmentConfig.setTxnNoSync(false); environmentConfig.setTxnWriteNoSync(false); } else if (config.isBdbWriteTransactionsEnabled() && !config.isBdbFlushTransactionsEnabled()) { environmentConfig.setTxnNoSync(false); environmentConfig.setTxnWriteNoSync(true); } else { environmentConfig.setTxnNoSync(true); } environmentConfig.setAllowCreate(true); environmentConfig.setConfigParam( EnvironmentConfig.LOG_FILE_MAX, Long.toString(config.getBdbMaxLogFileSize())); environmentConfig.setConfigParam( EnvironmentConfig.CHECKPOINTER_BYTES_INTERVAL, Long.toString(config.getBdbCheckpointBytes())); environmentConfig.setConfigParam( EnvironmentConfig.CHECKPOINTER_WAKEUP_INTERVAL, Long.toString(config.getBdbCheckpointMs() * Time.US_PER_MS)); environmentConfig.setConfigParam( EnvironmentConfig.CLEANER_MIN_FILE_UTILIZATION, Integer.toString(config.getBdbCleanerMinFileUtilization())); environmentConfig.setConfigParam( EnvironmentConfig.CLEANER_MIN_UTILIZATION, Integer.toString(config.getBdbCleanerMinUtilization())); environmentConfig.setConfigParam( EnvironmentConfig.CLEANER_THREADS, Integer.toString(config.getBdbCleanerThreads())); environmentConfig.setConfigParam( EnvironmentConfig.CLEANER_LOOK_AHEAD_CACHE_SIZE, Integer.toString(config.getBdbCleanerLookAheadCacheSize())); environmentConfig.setConfigParam( EnvironmentConfig.LOCK_N_LOCK_TABLES, Integer.toString(config.getBdbLockNLockTables())); environmentConfig.setConfigParam( EnvironmentConfig.ENV_FAIR_LATCHES, Boolean.toString(config.getBdbFairLatches())); environmentConfig.setConfigParam( EnvironmentConfig.CHECKPOINTER_HIGH_PRIORITY, Boolean.toString(config.getBdbCheckpointerHighPriority())); environmentConfig.setConfigParam( EnvironmentConfig.CLEANER_MAX_BATCH_FILES, Integer.toString(config.getBdbCleanerMaxBatchFiles())); environmentConfig.setLockTimeout(config.getBdbLockTimeoutMs(), TimeUnit.MILLISECONDS); databaseConfig = new DatabaseConfig(); databaseConfig.setAllowCreate(true); databaseConfig.setSortedDuplicates(config.isBdbSortedDuplicatesEnabled()); databaseConfig.setNodeMaxEntries(config.getBdbBtreeFanout()); databaseConfig.setTransactional(true); bdbMasterDir = config.getBdbDataDirectory(); useOneEnvPerStore = config.isBdbOneEnvPerStore(); if (useOneEnvPerStore) environmentConfig.setSharedCache(true); }
private Bdb(boolean readOnly, File directory) throws IOException { try { directory.mkdirs(); EnvironmentConfig envConfig = new EnvironmentConfig(); envConfig.setSharedCache(true); envConfig.setReadOnly(readOnly); envConfig.setAllowCreate(!readOnly); /* * int primeForLockTable = SieveForPrimeNumbers.largestPrime( * Runtime.getRuntime().availableProcessors() - 1); * * envConfig.setConfigParam("je.lock.nLockTables", Integer.toString(primeForLockTable)); * envConfig.setConfigParam("je.log.faultReadSize", "4096"); * */ bdbEnv = new Environment(directory, envConfig); } catch (EnvironmentLockedException e) { throw new IOException(e); } catch (DatabaseException e) { throw new IOException(e); } }