Examples with ExecutorService java.util.concurrent.ExecutorService used on opensource projects

Example 31 with ExecutorService

use of java.util.concurrent.ExecutorService in project hive by apache.

the class StatsTask method aggregateStats.

private int aggregateStats(Hive db) {
    StatsAggregator statsAggregator = null;
    int ret = 0;
    StatsCollectionContext scc = null;
    EnvironmentContext environmentContext = null;
    try {
        // Stats setup:
        final Warehouse wh = new Warehouse(conf);
        if (!getWork().getNoStatsAggregator() && !getWork().isNoScanAnalyzeCommand()) {
            try {
                scc = getContext();
                statsAggregator = createStatsAggregator(scc, conf);
            } catch (HiveException e) {
                if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_STATS_RELIABLE)) {
                    throw e;
                }
                console.printError(ErrorMsg.STATS_SKIPPING_BY_ERROR.getErrorCodedMsg(e.toString()));
            }
        }
        List<Partition> partitions = getPartitionsList(db);
        boolean atomic = HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_STATS_ATOMIC);
        String tableFullName = table.getDbName() + "." + table.getTableName();
        if (partitions == null) {
            org.apache.hadoop.hive.metastore.api.Table tTable = table.getTTable();
            Map<String, String> parameters = tTable.getParameters();
            // acidTable will not have accurate stats unless it is set through analyze command.
            if (work.getTableSpecs() == null && AcidUtils.isAcidTable(table)) {
                StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.FALSE);
            } else if (work.getTableSpecs() != null || (work.getLoadTableDesc() != null && work.getLoadTableDesc().getReplace()) || (work.getLoadFileDesc() != null && !work.getLoadFileDesc().getDestinationCreateTable().isEmpty())) {
                StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.TRUE);
            }
            // non-partitioned tables:
            if (!existStats(parameters) && atomic) {
                return 0;
            }
            // For eg. if a file is being loaded, the old number of rows are not valid
            if (work.isClearAggregatorStats()) {
                // we choose to keep the invalid stats and only change the setting.
                StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.FALSE);
            }
            updateQuickStats(wh, parameters, tTable.getSd());
            if (StatsSetupConst.areBasicStatsUptoDate(parameters)) {
                if (statsAggregator != null) {
                    String prefix = getAggregationPrefix(table, null);
                    updateStats(statsAggregator, parameters, prefix, atomic);
                }
                // write table stats to metastore
                if (!getWork().getNoStatsAggregator()) {
                    environmentContext = new EnvironmentContext();
                    environmentContext.putToProperties(StatsSetupConst.STATS_GENERATED, StatsSetupConst.TASK);
                }
            }
            getHive().alterTable(tableFullName, new Table(tTable), environmentContext);
            if (conf.getBoolVar(ConfVars.TEZ_EXEC_SUMMARY)) {
                console.printInfo("Table " + tableFullName + " stats: [" + toString(parameters) + ']');
            }
            LOG.info("Table " + tableFullName + " stats: [" + toString(parameters) + ']');
        } else {
            // Partitioned table:
            // Need to get the old stats of the partition
            // and update the table stats based on the old and new stats.
            List<Partition> updates = new ArrayList<Partition>();
            //Get the file status up-front for all partitions. Beneficial in cases of blob storage systems
            final Map<String, FileStatus[]> fileStatusMap = new ConcurrentHashMap<String, FileStatus[]>();
            int poolSize = conf.getInt(ConfVars.HIVE_MOVE_FILES_THREAD_COUNT.varname, 1);
            // In case thread count is set to 0, use single thread.
            poolSize = Math.max(poolSize, 1);
            final ExecutorService pool = Executors.newFixedThreadPool(poolSize, new ThreadFactoryBuilder().setDaemon(true).setNameFormat("stats-updater-thread-%d").build());
            final List<Future<Void>> futures = Lists.newLinkedList();
            LOG.debug("Getting file stats of all partitions. threadpool size:" + poolSize);
            try {
                for (final Partition partn : partitions) {
                    final String partitionName = partn.getName();
                    final org.apache.hadoop.hive.metastore.api.Partition tPart = partn.getTPartition();
                    Map<String, String> parameters = tPart.getParameters();
                    if (!existStats(parameters) && atomic) {
                        continue;
                    }
                    futures.add(pool.submit(new Callable<Void>() {

                        @Override
                        public Void call() throws Exception {
                            FileStatus[] partfileStatus = wh.getFileStatusesForSD(tPart.getSd());
                            fileStatusMap.put(partitionName, partfileStatus);
                            return null;
                        }
                    }));
                }
                pool.shutdown();
                for (Future<Void> future : futures) {
                    future.get();
                }
            } catch (InterruptedException e) {
                LOG.debug("Cancelling " + futures.size() + " file stats lookup tasks");
                //cancel other futures
                for (Future future : futures) {
                    future.cancel(true);
                }
                // Fail the query if the stats are supposed to be reliable
                if (work.isStatsReliable()) {
                    ret = 1;
                }
            } finally {
                if (pool != null) {
                    pool.shutdownNow();
                }
                LOG.debug("Finished getting file stats of all partitions");
            }
            for (Partition partn : partitions) {
                //
                // get the old partition stats
                //
                org.apache.hadoop.hive.metastore.api.Partition tPart = partn.getTPartition();
                Map<String, String> parameters = tPart.getParameters();
                if (work.getTableSpecs() == null && AcidUtils.isAcidTable(table)) {
                    StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.FALSE);
                } else if (work.getTableSpecs() != null || (work.getLoadTableDesc() != null && work.getLoadTableDesc().getReplace()) || (work.getLoadFileDesc() != null && !work.getLoadFileDesc().getDestinationCreateTable().isEmpty())) {
                    StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.TRUE);
                }
                //only when the stats exist, it is added to fileStatusMap
                if (!fileStatusMap.containsKey(partn.getName())) {
                    continue;
                }
                // For eg. if a file is being loaded, the old number of rows are not valid
                if (work.isClearAggregatorStats()) {
                    // we choose to keep the invalid stats and only change the setting.
                    StatsSetupConst.setBasicStatsState(parameters, StatsSetupConst.FALSE);
                }
                updateQuickStats(parameters, fileStatusMap.get(partn.getName()));
                if (StatsSetupConst.areBasicStatsUptoDate(parameters)) {
                    if (statsAggregator != null) {
                        String prefix = getAggregationPrefix(table, partn);
                        updateStats(statsAggregator, parameters, prefix, atomic);
                    }
                    if (!getWork().getNoStatsAggregator()) {
                        environmentContext = new EnvironmentContext();
                        environmentContext.putToProperties(StatsSetupConst.STATS_GENERATED, StatsSetupConst.TASK);
                    }
                }
                updates.add(new Partition(table, tPart));
                if (conf.getBoolVar(ConfVars.TEZ_EXEC_SUMMARY)) {
                    console.printInfo("Partition " + tableFullName + partn.getSpec() + " stats: [" + toString(parameters) + ']');
                }
                LOG.info("Partition " + tableFullName + partn.getSpec() + " stats: [" + toString(parameters) + ']');
            }
            if (!updates.isEmpty()) {
                db.alterPartitions(tableFullName, updates, environmentContext);
            }
        }
    } catch (Exception e) {
        console.printInfo("[Warning] could not update stats.", "Failed with exception " + e.getMessage() + "\n" + StringUtils.stringifyException(e));
        // Fail the query if the stats are supposed to be reliable
        if (work.isStatsReliable()) {
            ret = 1;
        }
    } finally {
        if (statsAggregator != null) {
            statsAggregator.closeConnection(scc);
        }
    }
    // anything else indicates failure
    return ret;
}

Example 32 with ExecutorService

use of java.util.concurrent.ExecutorService in project hive by apache.

the class TestDateWritable method testDaylightSavingsTime.

@Test
public void testDaylightSavingsTime() throws Exception {
    LinkedList<DtMismatch> bad = new LinkedList<>();
    for (String timeZone : TimeZone.getAvailableIDs()) {
        TimeZone previousDefault = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone(timeZone));
        assertEquals("Default timezone should now be " + timeZone, timeZone, TimeZone.getDefault().getID());
        ExecutorService threadPool = Executors.newFixedThreadPool(1);
        try {
            // TODO: pointless
            threadPool.submit(new DateTestCallable(bad, timeZone)).get();
        } finally {
            threadPool.shutdown();
            TimeZone.setDefault(previousDefault);
        }
    }
    StringBuilder errors = new StringBuilder("\nDATE MISMATCH:\n");
    for (DtMismatch dm : bad) {
        errors.append("E ").append(dm.tz).append(": ").append(dm.expected).append(" != ").append(dm.found).append("\n");
    }
    LOG.error(errors.toString());
    if (!bad.isEmpty())
        throw new Exception(bad.size() + " mismatches, see logs");
}

Example 33 with ExecutorService

use of java.util.concurrent.ExecutorService in project hive by apache.

the class ThriftBinaryCLIService method run.

@Override
public void run() {
    try {
        // Server thread pool
        String threadPoolName = "HiveServer2-Handler-Pool";
        ExecutorService executorService = new ThreadPoolExecutorWithOomHook(minWorkerThreads, maxWorkerThreads, workerKeepAliveTime, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), new ThreadFactoryWithGarbageCleanup(threadPoolName), oomHook);
        // Thrift configs
        hiveAuthFactory = new HiveAuthFactory(hiveConf);
        TTransportFactory transportFactory = hiveAuthFactory.getAuthTransFactory();
        TProcessorFactory processorFactory = hiveAuthFactory.getAuthProcFactory(this);
        TServerSocket serverSocket = null;
        List<String> sslVersionBlacklist = new ArrayList<String>();
        for (String sslVersion : hiveConf.getVar(ConfVars.HIVE_SSL_PROTOCOL_BLACKLIST).split(",")) {
            sslVersionBlacklist.add(sslVersion);
        }
        if (!hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_USE_SSL)) {
            serverSocket = HiveAuthUtils.getServerSocket(hiveHost, portNum);
        } else {
            String keyStorePath = hiveConf.getVar(ConfVars.HIVE_SERVER2_SSL_KEYSTORE_PATH).trim();
            if (keyStorePath.isEmpty()) {
                throw new IllegalArgumentException(ConfVars.HIVE_SERVER2_SSL_KEYSTORE_PATH.varname + " Not configured for SSL connection");
            }
            String keyStorePassword = ShimLoader.getHadoopShims().getPassword(hiveConf, HiveConf.ConfVars.HIVE_SERVER2_SSL_KEYSTORE_PASSWORD.varname);
            serverSocket = HiveAuthUtils.getServerSSLSocket(hiveHost, portNum, keyStorePath, keyStorePassword, sslVersionBlacklist);
        }
        // Server args
        int maxMessageSize = hiveConf.getIntVar(HiveConf.ConfVars.HIVE_SERVER2_THRIFT_MAX_MESSAGE_SIZE);
        int requestTimeout = (int) hiveConf.getTimeVar(HiveConf.ConfVars.HIVE_SERVER2_THRIFT_LOGIN_TIMEOUT, TimeUnit.SECONDS);
        int beBackoffSlotLength = (int) hiveConf.getTimeVar(HiveConf.ConfVars.HIVE_SERVER2_THRIFT_LOGIN_BEBACKOFF_SLOT_LENGTH, TimeUnit.MILLISECONDS);
        TThreadPoolServer.Args sargs = new TThreadPoolServer.Args(serverSocket).processorFactory(processorFactory).transportFactory(transportFactory).protocolFactory(new TBinaryProtocol.Factory()).inputProtocolFactory(new TBinaryProtocol.Factory(true, true, maxMessageSize, maxMessageSize)).requestTimeout(requestTimeout).requestTimeoutUnit(TimeUnit.SECONDS).beBackoffSlotLength(beBackoffSlotLength).beBackoffSlotLengthUnit(TimeUnit.MILLISECONDS).executorService(executorService);
        // TCP Server
        server = new TThreadPoolServer(sargs);
        server.setServerEventHandler(new TServerEventHandler() {

            @Override
            public ServerContext createContext(TProtocol input, TProtocol output) {
                Metrics metrics = MetricsFactory.getInstance();
                if (metrics != null) {
                    try {
                        metrics.incrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                        metrics.incrementCounter(MetricsConstant.CUMULATIVE_CONNECTION_COUNT);
                    } catch (Exception e) {
                        LOG.warn("Error Reporting JDO operation to Metrics system", e);
                    }
                }
                return new ThriftCLIServerContext();
            }

            @Override
            public void deleteContext(ServerContext serverContext, TProtocol input, TProtocol output) {
                Metrics metrics = MetricsFactory.getInstance();
                if (metrics != null) {
                    try {
                        metrics.decrementCounter(MetricsConstant.OPEN_CONNECTIONS);
                    } catch (Exception e) {
                        LOG.warn("Error Reporting JDO operation to Metrics system", e);
                    }
                }
                ThriftCLIServerContext context = (ThriftCLIServerContext) serverContext;
                SessionHandle sessionHandle = context.getSessionHandle();
                if (sessionHandle != null) {
                    LOG.info("Session disconnected without closing properly. ");
                    try {
                        boolean close = cliService.getSessionManager().getSession(sessionHandle).getHiveConf().getBoolVar(ConfVars.HIVE_SERVER2_CLOSE_SESSION_ON_DISCONNECT);
                        LOG.info((close ? "" : "Not ") + "Closing the session: " + sessionHandle);
                        if (close) {
                            cliService.closeSession(sessionHandle);
                        }
                    } catch (HiveSQLException e) {
                        LOG.warn("Failed to close session: " + e, e);
                    }
                }
            }

            @Override
            public void preServe() {
            }

            @Override
            public void processContext(ServerContext serverContext, TTransport input, TTransport output) {
                currentServerContext.set(serverContext);
            }
        });
        String msg = "Starting " + ThriftBinaryCLIService.class.getSimpleName() + " on port " + portNum + " with " + minWorkerThreads + "..." + maxWorkerThreads + " worker threads";
        LOG.info(msg);
        server.serve();
    } catch (Throwable t) {
        LOG.error("Error starting HiveServer2: could not start " + ThriftBinaryCLIService.class.getSimpleName(), t);
        System.exit(-1);
    }
}

Example 34 with ExecutorService

use of java.util.concurrent.ExecutorService in project hbase by apache.

the class TestMetaWithReplicas method testMetaLookupThreadPoolCreated.

@Test
public void testMetaLookupThreadPoolCreated() throws Exception {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };
    if (TEST_UTIL.getAdmin().tableExists(tableName)) {
        TEST_UTIL.getAdmin().disableTable(tableName);
        TEST_UTIL.getAdmin().deleteTable(tableName);
    }
    try (Table htable = TEST_UTIL.createTable(tableName, FAMILIES)) {
        byte[] row = "test".getBytes();
        ConnectionImplementation c = ((ConnectionImplementation) TEST_UTIL.getConnection());
        // check that metalookup pool would get created
        c.relocateRegion(tableName, row);
        ExecutorService ex = c.getCurrentMetaLookupPool();
        assert (ex != null);
    }
}

Example 35 with ExecutorService

use of java.util.concurrent.ExecutorService in project cryptomator by cryptomator.

the class SingleInstanceManagerTest method testOneMessage.

@Test
public void testOneMessage() throws Exception {
    ExecutorService exec = Executors.newCachedThreadPool();
    try {
        final LocalInstance server = SingleInstanceManager.startLocalInstance(appKey, exec);
        final Optional<RemoteInstance> r = SingleInstanceManager.getRemoteInstance(appKey);
        CountDownLatch latch = new CountDownLatch(1);
        final MessageListener listener = spy(new MessageListener() {

            @Override
            public void handleMessage(String message) {
                latch.countDown();
            }
        });
        server.registerListener(listener);
        assertTrue(r.isPresent());
        String message = "Is this thing on?";
        assertTrue(r.get().sendMessage(message, 1000));
        System.out.println("wrote message");
        latch.await(10, TimeUnit.SECONDS);
        verify(listener).handleMessage(message);
    } finally {
        exec.shutdownNow();
    }
}