Examples with HRegionLocation org.apache.hadoop.hbase.HRegionLocation used on opensource projects

Example 41 with HRegionLocation

use of org.apache.hadoop.hbase.HRegionLocation in project phoenix by apache.

the class ParallelIteratorsSplitTest method testGetSplitsWithSkipScanFilter.

@Test
public void testGetSplitsWithSkipScanFilter() throws Exception {
    byte[][] splits = new byte[][] { Ka1A, Ka1B, Ka1E, Ka1G, Ka1I, Ka2A };
    createTestTable(getUrl(), DDL, splits, null);
    Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES);
    Connection conn = DriverManager.getConnection(getUrl(), props);
    PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
    PTable table = pconn.getTable(new PTableKey(pconn.getTenantId(), TABLE_NAME));
    TableRef tableRef = new TableRef(table);
    List<HRegionLocation> regions = pconn.getQueryServices().getAllTableRegions(tableRef.getTable().getPhysicalName().getBytes());
    List<KeyRange> ranges = getSplits(tableRef, scan, regions, scanRanges);
    assertEquals("Unexpected number of splits: " + ranges.size(), expectedSplits.size(), ranges.size());
    for (int i = 0; i < expectedSplits.size(); i++) {
        assertEquals(expectedSplits.get(i), ranges.get(i));
    }
}

Example 42 with HRegionLocation

use of org.apache.hadoop.hbase.HRegionLocation in project phoenix by apache.

the class ServerCacheClient method addServerCache.

public ServerCache addServerCache(ScanRanges keyRanges, final ImmutableBytesWritable cachePtr, final byte[] txState, final ServerCacheFactory cacheFactory, final TableRef cacheUsingTableRef) throws SQLException {
    ConnectionQueryServices services = connection.getQueryServices();
    MemoryChunk chunk = services.getMemoryManager().allocate(cachePtr.getLength());
    List<Closeable> closeables = new ArrayList<Closeable>();
    closeables.add(chunk);
    ServerCache hashCacheSpec = null;
    SQLException firstException = null;
    final byte[] cacheId = generateId();
    /**
         * Execute EndPoint in parallel on each server to send compressed hash cache 
         */
    // TODO: generalize and package as a per region server EndPoint caller
    // (ideally this would be functionality provided by the coprocessor framework)
    boolean success = false;
    ExecutorService executor = services.getExecutor();
    List<Future<Boolean>> futures = Collections.emptyList();
    try {
        final PTable cacheUsingTable = cacheUsingTableRef.getTable();
        List<HRegionLocation> locations = services.getAllTableRegions(cacheUsingTable.getPhysicalName().getBytes());
        int nRegions = locations.size();
        // Size these based on worst case
        futures = new ArrayList<Future<Boolean>>(nRegions);
        Set<HRegionLocation> servers = new HashSet<HRegionLocation>(nRegions);
        for (HRegionLocation entry : locations) {
            // Keep track of servers we've sent to and only send once
            byte[] regionStartKey = entry.getRegionInfo().getStartKey();
            byte[] regionEndKey = entry.getRegionInfo().getEndKey();
            if (!servers.contains(entry) && keyRanges.intersectRegion(regionStartKey, regionEndKey, cacheUsingTable.getIndexType() == IndexType.LOCAL)) {
                // Call RPC once per server
                servers.add(entry);
                if (LOG.isDebugEnabled()) {
                    LOG.debug(addCustomAnnotations("Adding cache entry to be sent for " + entry, connection));
                }
                final byte[] key = getKeyInRegion(entry.getRegionInfo().getStartKey());
                final HTableInterface htable = services.getTable(cacheUsingTableRef.getTable().getPhysicalName().getBytes());
                closeables.add(htable);
                futures.add(executor.submit(new JobCallable<Boolean>() {

                    @Override
                    public Boolean call() throws Exception {
                        final Map<byte[], AddServerCacheResponse> results;
                        try {
                            results = htable.coprocessorService(ServerCachingService.class, key, key, new Batch.Call<ServerCachingService, AddServerCacheResponse>() {

                                @Override
                                public AddServerCacheResponse call(ServerCachingService instance) throws IOException {
                                    ServerRpcController controller = new ServerRpcController();
                                    BlockingRpcCallback<AddServerCacheResponse> rpcCallback = new BlockingRpcCallback<AddServerCacheResponse>();
                                    AddServerCacheRequest.Builder builder = AddServerCacheRequest.newBuilder();
                                    final byte[] tenantIdBytes;
                                    if (cacheUsingTable.isMultiTenant()) {
                                        try {
                                            tenantIdBytes = connection.getTenantId() == null ? null : ScanUtil.getTenantIdBytes(cacheUsingTable.getRowKeySchema(), cacheUsingTable.getBucketNum() != null, connection.getTenantId(), cacheUsingTable.getViewIndexId() != null);
                                        } catch (SQLException e) {
                                            throw new IOException(e);
                                        }
                                    } else {
                                        tenantIdBytes = connection.getTenantId() == null ? null : connection.getTenantId().getBytes();
                                    }
                                    if (tenantIdBytes != null) {
                                        builder.setTenantId(ByteStringer.wrap(tenantIdBytes));
                                    }
                                    builder.setCacheId(ByteStringer.wrap(cacheId));
                                    builder.setCachePtr(org.apache.phoenix.protobuf.ProtobufUtil.toProto(cachePtr));
                                    builder.setHasProtoBufIndexMaintainer(true);
                                    ServerCacheFactoryProtos.ServerCacheFactory.Builder svrCacheFactoryBuider = ServerCacheFactoryProtos.ServerCacheFactory.newBuilder();
                                    svrCacheFactoryBuider.setClassName(cacheFactory.getClass().getName());
                                    builder.setCacheFactory(svrCacheFactoryBuider.build());
                                    builder.setTxState(ByteStringer.wrap(txState));
                                    instance.addServerCache(controller, builder.build(), rpcCallback);
                                    if (controller.getFailedOn() != null) {
                                        throw controller.getFailedOn();
                                    }
                                    return rpcCallback.get();
                                }
                            });
                        } catch (Throwable t) {
                            throw new Exception(t);
                        }
                        if (results != null && results.size() == 1) {
                            return results.values().iterator().next().getReturn();
                        }
                        return false;
                    }

                    /**
                         * Defines the grouping for round robin behavior.  All threads spawned to process
                         * this scan will be grouped together and time sliced with other simultaneously
                         * executing parallel scans.
                         */
                    @Override
                    public Object getJobId() {
                        return ServerCacheClient.this;
                    }

                    @Override
                    public TaskExecutionMetricsHolder getTaskExecutionMetric() {
                        return NO_OP_INSTANCE;
                    }
                }));
            } else {
                if (LOG.isDebugEnabled()) {
                    LOG.debug(addCustomAnnotations("NOT adding cache entry to be sent for " + entry + " since one already exists for that entry", connection));
                }
            }
        }
        hashCacheSpec = new ServerCache(cacheId, servers, cachePtr.getLength());
        // Execute in parallel
        int timeoutMs = services.getProps().getInt(QueryServices.THREAD_TIMEOUT_MS_ATTRIB, QueryServicesOptions.DEFAULT_THREAD_TIMEOUT_MS);
        for (Future<Boolean> future : futures) {
            future.get(timeoutMs, TimeUnit.MILLISECONDS);
        }
        cacheUsingTableRefMap.put(Bytes.mapKey(cacheId), cacheUsingTableRef);
        success = true;
    } catch (SQLException e) {
        firstException = e;
    } catch (Exception e) {
        firstException = new SQLException(e);
    } finally {
        try {
            if (!success) {
                SQLCloseables.closeAllQuietly(Collections.singletonList(hashCacheSpec));
                for (Future<Boolean> future : futures) {
                    future.cancel(true);
                }
            }
        } finally {
            try {
                Closeables.closeAll(closeables);
            } catch (IOException e) {
                if (firstException == null) {
                    firstException = new SQLException(e);
                }
            } finally {
                if (firstException != null) {
                    throw firstException;
                }
            }
        }
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug(addCustomAnnotations("Cache " + cacheId + " successfully added to servers.", connection));
    }
    return hashCacheSpec;
}

Example 43 with HRegionLocation

use of org.apache.hadoop.hbase.HRegionLocation in project phoenix by apache.

the class ConnectionlessQueryServicesImpl method generateRegionLocations.

private static List<HRegionLocation> generateRegionLocations(byte[] physicalName, byte[][] splits) {
    byte[] startKey = HConstants.EMPTY_START_ROW;
    List<HRegionLocation> regions = Lists.newArrayListWithExpectedSize(splits.length);
    for (byte[] split : splits) {
        regions.add(new HRegionLocation(new HRegionInfo(TableName.valueOf(physicalName), startKey, split), SERVER_NAME, -1));
        startKey = split;
    }
    regions.add(new HRegionLocation(new HRegionInfo(TableName.valueOf(physicalName), startKey, HConstants.EMPTY_END_ROW), SERVER_NAME, -1));
    return regions;
}

Example 44 with HRegionLocation

use of org.apache.hadoop.hbase.HRegionLocation in project phoenix by apache.

the class ConnectionQueryServicesImpl method checkClientServerCompatibility.

private void checkClientServerCompatibility(byte[] metaTable) throws SQLException {
    StringBuilder buf = new StringBuilder("Newer Phoenix clients can't communicate with older Phoenix servers. The following servers require an updated " + QueryConstants.DEFAULT_COPROCESS_JAR_NAME + " to be put in the classpath of HBase: ");
    boolean isIncompatible = false;
    int minHBaseVersion = Integer.MAX_VALUE;
    boolean isTableNamespaceMappingEnabled = false;
    HTableInterface ht = null;
    try {
        List<HRegionLocation> locations = this.getAllTableRegions(metaTable);
        Set<HRegionLocation> serverMap = Sets.newHashSetWithExpectedSize(locations.size());
        TreeMap<byte[], HRegionLocation> regionMap = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
        List<byte[]> regionKeys = Lists.newArrayListWithExpectedSize(locations.size());
        for (HRegionLocation entry : locations) {
            if (!serverMap.contains(entry)) {
                regionKeys.add(entry.getRegionInfo().getStartKey());
                regionMap.put(entry.getRegionInfo().getRegionName(), entry);
                serverMap.add(entry);
            }
        }
        ht = this.getTable(metaTable);
        final Map<byte[], Long> results = ht.coprocessorService(MetaDataService.class, null, null, new Batch.Call<MetaDataService, Long>() {

            @Override
            public Long call(MetaDataService instance) throws IOException {
                ServerRpcController controller = new ServerRpcController();
                BlockingRpcCallback<GetVersionResponse> rpcCallback = new BlockingRpcCallback<GetVersionResponse>();
                GetVersionRequest.Builder builder = GetVersionRequest.newBuilder();
                builder.setClientVersion(VersionUtil.encodeVersion(PHOENIX_MAJOR_VERSION, PHOENIX_MINOR_VERSION, PHOENIX_PATCH_NUMBER));
                instance.getVersion(controller, builder.build(), rpcCallback);
                if (controller.getFailedOn() != null) {
                    throw controller.getFailedOn();
                }
                return rpcCallback.get().getVersion();
            }
        });
        for (Map.Entry<byte[], Long> result : results.entrySet()) {
            // This is the "phoenix.jar" is in-place, but server is out-of-sync with client case.
            long version = result.getValue();
            isTableNamespaceMappingEnabled |= MetaDataUtil.decodeTableNamespaceMappingEnabled(version);
            if (!isCompatible(result.getValue())) {
                isIncompatible = true;
                HRegionLocation name = regionMap.get(result.getKey());
                buf.append(name);
                buf.append(';');
            }
            hasIndexWALCodec &= hasIndexWALCodec(result.getValue());
            if (minHBaseVersion > MetaDataUtil.decodeHBaseVersion(result.getValue())) {
                minHBaseVersion = MetaDataUtil.decodeHBaseVersion(result.getValue());
            }
        }
        if (isTableNamespaceMappingEnabled != SchemaUtil.isNamespaceMappingEnabled(PTableType.TABLE, getProps())) {
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.INCONSISTENT_NAMESPACE_MAPPING_PROPERTIES).setMessage("Ensure that config " + QueryServices.IS_NAMESPACE_MAPPING_ENABLED + " is consistent on client and server.").build().buildException();
        }
        lowestClusterHBaseVersion = minHBaseVersion;
    } catch (SQLException e) {
        throw e;
    } catch (Throwable t) {
        // This is the case if the "phoenix.jar" is not on the classpath of HBase on the region server
        throw new SQLExceptionInfo.Builder(SQLExceptionCode.INCOMPATIBLE_CLIENT_SERVER_JAR).setRootCause(t).setMessage("Ensure that " + QueryConstants.DEFAULT_COPROCESS_JAR_NAME + " is put on the classpath of HBase in every region server: " + t.getMessage()).build().buildException();
    } finally {
        if (ht != null) {
            try {
                ht.close();
            } catch (IOException e) {
                logger.warn("Could not close HTable", e);
            }
        }
    }
    if (isIncompatible) {
        buf.setLength(buf.length() - 1);
        throw new SQLExceptionInfo.Builder(SQLExceptionCode.OUTDATED_JARS).setMessage(buf.toString()).build().buildException();
    }
}

Example 45 with HRegionLocation

use of org.apache.hadoop.hbase.HRegionLocation in project phoenix by apache.

the class ConnectionQueryServicesImpl method getAllTableRegions.

@Override
public List<HRegionLocation> getAllTableRegions(byte[] tableName) throws SQLException {
    /*
         * Use HConnection.getRegionLocation as it uses the cache in HConnection, while getting
         * all region locations from the HTable doesn't.
         */
    int retryCount = 0, maxRetryCount = 1;
    boolean reload = false;
    while (true) {
        try {
            // We could surface the package projected HConnectionImplementation.getNumberOfCachedRegionLocations
            // to get the sizing info we need, but this would require a new class in the same package and a cast
            // to this implementation class, so it's probably not worth it.
            List<HRegionLocation> locations = Lists.newArrayList();
            byte[] currentKey = HConstants.EMPTY_START_ROW;
            do {
                HRegionLocation regionLocation = connection.getRegionLocation(TableName.valueOf(tableName), currentKey, reload);
                locations.add(regionLocation);
                currentKey = regionLocation.getRegionInfo().getEndKey();
            } while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW));
            return locations;
        } catch (org.apache.hadoop.hbase.TableNotFoundException e) {
            String fullName = Bytes.toString(tableName);
            throw new TableNotFoundException(fullName);
        } catch (IOException e) {
            if (retryCount++ < maxRetryCount) {
                // One retry, in case split occurs while navigating
                reload = true;
                continue;
            }
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.GET_TABLE_REGIONS_FAIL).setRootCause(e).build().buildException();
        }
    }
}