Examples with HostAndPort org.apache.accumulo.core.util.HostAndPort used on opensource projects

Example 11 with HostAndPort

use of org.apache.accumulo.core.util.HostAndPort in project accumulo by apache.

the class TableOperationsImpl method addSplits.

private void addSplits(String tableName, SortedSet<Text> partitionKeys, Table.ID tableId) throws AccumuloException, AccumuloSecurityException, TableNotFoundException, AccumuloServerException {
    TabletLocator tabLocator = TabletLocator.getLocator(context, tableId);
    for (Text split : partitionKeys) {
        boolean successful = false;
        int attempt = 0;
        long locationFailures = 0;
        while (!successful) {
            if (attempt > 0)
                sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
            attempt++;
            TabletLocation tl = tabLocator.locateTablet(context, split, false, false);
            if (tl == null) {
                if (!Tables.exists(context.getInstance(), tableId))
                    throw new TableNotFoundException(tableId.canonicalID(), tableName, null);
                else if (Tables.getTableState(context.getInstance(), tableId) == TableState.OFFLINE)
                    throw new TableOfflineException(context.getInstance(), tableId.canonicalID());
                continue;
            }
            HostAndPort address = HostAndPort.fromString(tl.tablet_location);
            try {
                TabletClientService.Client client = ThriftUtil.getTServerClient(address, context);
                try {
                    OpTimer timer = null;
                    if (log.isTraceEnabled()) {
                        log.trace("tid={} Splitting tablet {} on {} at {}", Thread.currentThread().getId(), tl.tablet_extent, address, split);
                        timer = new OpTimer().start();
                    }
                    client.splitTablet(Tracer.traceInfo(), context.rpcCreds(), tl.tablet_extent.toThrift(), TextUtil.getByteBuffer(split));
                    // just split it, might as well invalidate it in the cache
                    tabLocator.invalidateCache(tl.tablet_extent);
                    if (timer != null) {
                        timer.stop();
                        log.trace("Split tablet in {}", String.format("%.3f secs", timer.scale(TimeUnit.SECONDS)));
                    }
                } finally {
                    ThriftUtil.returnClient(client);
                }
            } catch (TApplicationException tae) {
                throw new AccumuloServerException(address.toString(), tae);
            } catch (TTransportException e) {
                tabLocator.invalidateCache(context.getInstance(), tl.tablet_location);
                continue;
            } catch (ThriftSecurityException e) {
                Tables.clearCache(context.getInstance());
                if (!Tables.exists(context.getInstance(), tableId))
                    throw new TableNotFoundException(tableId.canonicalID(), tableName, null);
                throw new AccumuloSecurityException(e.user, e.code, e);
            } catch (NotServingTabletException e) {
                // Do not silently spin when we repeatedly fail to get the location for a tablet
                locationFailures++;
                if (5 == locationFailures || 0 == locationFailures % 50) {
                    log.warn("Having difficulty locating hosting tabletserver for split {} on table {}. Seen {} failures.", split, tableName, locationFailures);
                }
                tabLocator.invalidateCache(tl.tablet_extent);
                continue;
            } catch (TException e) {
                tabLocator.invalidateCache(context.getInstance(), tl.tablet_location);
                continue;
            }
            successful = true;
        }
    }
}

Example 12 with HostAndPort

use of org.apache.accumulo.core.util.HostAndPort in project accumulo by apache.

the class TabletServerBatchReaderIterator method doLookup.

static void doLookup(ClientContext context, String server, Map<KeyExtent, List<Range>> requested, Map<KeyExtent, List<Range>> failures, Map<KeyExtent, List<Range>> unscanned, ResultReceiver receiver, List<Column> columns, ScannerOptions options, Authorizations authorizations, TimeoutTracker timeoutTracker) throws IOException, AccumuloSecurityException, AccumuloServerException {
    if (requested.size() == 0) {
        return;
    }
    // copy requested to unscanned map. we will remove ranges as they are scanned in trackScanning()
    for (Entry<KeyExtent, List<Range>> entry : requested.entrySet()) {
        ArrayList<Range> ranges = new ArrayList<>();
        for (Range range : entry.getValue()) {
            ranges.add(new Range(range));
        }
        unscanned.put(new KeyExtent(entry.getKey()), ranges);
    }
    timeoutTracker.startingScan();
    TTransport transport = null;
    try {
        final HostAndPort parsedServer = HostAndPort.fromString(server);
        final TabletClientService.Client client;
        if (timeoutTracker.getTimeOut() < context.getClientTimeoutInMillis())
            client = ThriftUtil.getTServerClient(parsedServer, context, timeoutTracker.getTimeOut());
        else
            client = ThriftUtil.getTServerClient(parsedServer, context);
        try {
            OpTimer timer = null;
            if (log.isTraceEnabled()) {
                log.trace("tid={} Starting multi scan, tserver={}  #tablets={}  #ranges={} ssil={} ssio={}", Thread.currentThread().getId(), server, requested.size(), sumSizes(requested.values()), options.serverSideIteratorList, options.serverSideIteratorOptions);
                timer = new OpTimer().start();
            }
            TabletType ttype = TabletType.type(requested.keySet());
            boolean waitForWrites = !ThriftScanner.serversWaitedForWrites.get(ttype).contains(server);
            Map<TKeyExtent, List<TRange>> thriftTabletRanges = Translator.translate(requested, Translators.KET, new Translator.ListTranslator<>(Translators.RT));
            InitialMultiScan imsr = client.startMultiScan(Tracer.traceInfo(), context.rpcCreds(), thriftTabletRanges, Translator.translate(columns, Translators.CT), options.serverSideIteratorList, options.serverSideIteratorOptions, ByteBufferUtil.toByteBuffers(authorizations.getAuthorizations()), waitForWrites, SamplerConfigurationImpl.toThrift(options.getSamplerConfiguration()), options.batchTimeOut, options.classLoaderContext);
            if (waitForWrites)
                ThriftScanner.serversWaitedForWrites.get(ttype).add(server.toString());
            MultiScanResult scanResult = imsr.result;
            if (timer != null) {
                timer.stop();
                log.trace("tid={} Got 1st multi scan results, #results={} {} in {}", Thread.currentThread().getId(), scanResult.results.size(), (scanResult.more ? "scanID=" + imsr.scanID : ""), String.format("%.3f secs", timer.scale(TimeUnit.SECONDS)));
            }
            ArrayList<Entry<Key, Value>> entries = new ArrayList<>(scanResult.results.size());
            for (TKeyValue kv : scanResult.results) {
                entries.add(new SimpleImmutableEntry<>(new Key(kv.key), new Value(kv.value)));
            }
            if (entries.size() > 0)
                receiver.receive(entries);
            if (entries.size() > 0 || scanResult.fullScans.size() > 0)
                timeoutTracker.madeProgress();
            trackScanning(failures, unscanned, scanResult);
            AtomicLong nextOpid = new AtomicLong();
            while (scanResult.more) {
                timeoutTracker.check();
                if (timer != null) {
                    log.trace("tid={} oid={} Continuing multi scan, scanid={}", Thread.currentThread().getId(), nextOpid.get(), imsr.scanID);
                    timer.reset().start();
                }
                scanResult = client.continueMultiScan(Tracer.traceInfo(), imsr.scanID);
                if (timer != null) {
                    timer.stop();
                    log.trace("tid={} oid={} Got more multi scan results, #results={} {} in {}", Thread.currentThread().getId(), nextOpid.getAndIncrement(), scanResult.results.size(), (scanResult.more ? " scanID=" + imsr.scanID : ""), String.format("%.3f secs", timer.scale(TimeUnit.SECONDS)));
                }
                entries = new ArrayList<>(scanResult.results.size());
                for (TKeyValue kv : scanResult.results) {
                    entries.add(new SimpleImmutableEntry<>(new Key(kv.key), new Value(kv.value)));
                }
                if (entries.size() > 0)
                    receiver.receive(entries);
                if (entries.size() > 0 || scanResult.fullScans.size() > 0)
                    timeoutTracker.madeProgress();
                trackScanning(failures, unscanned, scanResult);
            }
            client.closeMultiScan(Tracer.traceInfo(), imsr.scanID);
        } finally {
            ThriftUtil.returnClient(client);
        }
    } catch (TTransportException e) {
        log.debug("Server : {} msg : {}", server, e.getMessage());
        timeoutTracker.errorOccured(e);
        throw new IOException(e);
    } catch (ThriftSecurityException e) {
        log.debug("Server : {} msg : {}", server, e.getMessage(), e);
        throw new AccumuloSecurityException(e.user, e.code, e);
    } catch (TApplicationException e) {
        log.debug("Server : {} msg : {}", server, e.getMessage(), e);
        throw new AccumuloServerException(server, e);
    } catch (NoSuchScanIDException e) {
        log.debug("Server : {} msg : {}", server, e.getMessage(), e);
        throw new IOException(e);
    } catch (TSampleNotPresentException e) {
        log.debug("Server : " + server + " msg : " + e.getMessage(), e);
        String tableInfo = "?";
        if (e.getExtent() != null) {
            Table.ID tableId = new KeyExtent(e.getExtent()).getTableId();
            tableInfo = Tables.getPrintableTableInfoFromId(context.getInstance(), tableId);
        }
        String message = "Table " + tableInfo + " does not have sampling configured or built";
        throw new SampleNotPresentException(message, e);
    } catch (TException e) {
        log.debug("Server : {} msg : {}", server, e.getMessage(), e);
        timeoutTracker.errorOccured(e);
        throw new IOException(e);
    } finally {
        ThriftTransportPool.getInstance().returnTransport(transport);
    }
}

Example 13 with HostAndPort

use of org.apache.accumulo.core.util.HostAndPort in project accumulo by apache.

the class ReplicationClient method getCoordinatorConnection.

public static ReplicationCoordinator.Client getCoordinatorConnection(ClientContext context) {
    Instance instance = context.getInstance();
    List<String> locations = instance.getMasterLocations();
    if (locations.size() == 0) {
        log.debug("No masters for replication to instance {}", instance.getInstanceName());
        return null;
    }
    // This is the master thrift service, we just want the hostname, not the port
    String masterThriftService = locations.get(0);
    if (masterThriftService.endsWith(":0")) {
        log.warn("Master found for {} did not have real location {}", instance.getInstanceName(), masterThriftService);
        return null;
    }
    String zkPath = ZooUtil.getRoot(instance) + Constants.ZMASTER_REPLICATION_COORDINATOR_ADDR;
    String replCoordinatorAddr;
    log.debug("Using ZooKeeper quorum at {} with path {} to find peer Master information", instance.getZooKeepers(), zkPath);
    // Get the coordinator port for the master we're trying to connect to
    try {
        ZooReader reader = new ZooReader(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
        replCoordinatorAddr = new String(reader.getData(zkPath, null), UTF_8);
    } catch (KeeperException | InterruptedException e) {
        log.error("Could not fetch remote coordinator port", e);
        return null;
    }
    // Throw the hostname and port through HostAndPort to get some normalization
    HostAndPort coordinatorAddr = HostAndPort.fromString(replCoordinatorAddr);
    log.debug("Connecting to master at {}", coordinatorAddr);
    try {
        // Master requests can take a long time: don't ever time out
        ReplicationCoordinator.Client client = ThriftUtil.getClientNoTimeout(new ReplicationCoordinator.Client.Factory(), coordinatorAddr, context);
        return client;
    } catch (TTransportException tte) {
        log.debug("Failed to connect to master coordinator service ({})", coordinatorAddr, tte);
        return null;
    }
}

Example 14 with HostAndPort

use of org.apache.accumulo.core.util.HostAndPort in project accumulo by apache.

the class Writer method update.

public void update(Mutation m) throws AccumuloException, AccumuloSecurityException, ConstraintViolationException, TableNotFoundException {
    checkArgument(m != null, "m is null");
    if (m.size() == 0)
        throw new IllegalArgumentException("Can not add empty mutations");
    while (true) {
        TabletLocation tabLoc = TabletLocator.getLocator(context, tableId).locateTablet(context, new Text(m.getRow()), false, true);
        if (tabLoc == null) {
            log.trace("No tablet location found for row {}", new String(m.getRow(), UTF_8));
            sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
            continue;
        }
        final HostAndPort parsedLocation = HostAndPort.fromString(tabLoc.tablet_location);
        try {
            updateServer(context, m, tabLoc.tablet_extent, parsedLocation);
            return;
        } catch (NotServingTabletException e) {
            log.trace("Not serving tablet, server = {}", parsedLocation);
            TabletLocator.getLocator(context, tableId).invalidateCache(tabLoc.tablet_extent);
        } catch (ConstraintViolationException cve) {
            log.error("error sending update to {}", parsedLocation, cve);
            // probably do not need to invalidate cache, but it does not hurt
            TabletLocator.getLocator(context, tableId).invalidateCache(tabLoc.tablet_extent);
            throw cve;
        } catch (TException e) {
            log.error("error sending update to {}", parsedLocation, e);
            TabletLocator.getLocator(context, tableId).invalidateCache(tabLoc.tablet_extent);
        }
        sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
    }
}

Example 15 with HostAndPort

use of org.apache.accumulo.core.util.HostAndPort in project accumulo by apache.

the class ScansResource method getTables.

/**
 * Generates a new JSON object with scan information
 *
 * @return Scan JSON object
 */
@GET
public Scans getTables() {
    Scans scans = new Scans();
    Map<HostAndPort, ScanStats> entry = Monitor.getScans();
    // Adds new scans to the array
    for (TabletServerStatus tserverInfo : Monitor.getMmi().getTServerInfo()) {
        ScanStats stats = entry.get(HostAndPort.fromString(tserverInfo.name));
        if (stats != null) {
            scans.addScan(new ScanInformation(tserverInfo, stats.scanCount, stats.oldestScan));
        }
    }
    return scans;
}