def _create_data_block(self, partition_id): dbm = data_block_manager.DataBlockManager(self.data_source, partition_id) self.assertEqual(dbm.get_dumped_data_block_count(), 0) self.assertEqual(dbm.get_lastest_data_block_meta(), None) leader_index = 0 follower_index = 65536 for i in range(64): builder = DataBlockBuilder( common.data_source_data_block_dir(self.data_source), self.data_source.data_source_meta.name, partition_id, i, dj_pb.WriterOptions(output_writer='TF_RECORD'), None ) builder.set_data_block_manager(dbm) for j in range(4): feat = {} example_id = '{}'.format(i * 1024 + j).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = random.randint(0, 10) feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) feat['leader_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[leader_index])) feat['follower_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[follower_index])) example = tf.train.Example(features=tf.train.Features(feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), leader_index, follower_index) leader_index += 1 follower_index += 1 self.data_block_matas.append(builder.finish_data_block())
def add_data_block(self, partition_id, x, y): dbm = self._dbms[partition_id] builder = DataBlockBuilder( common.data_source_data_block_dir(self._data_source), self._data_source.data_source_meta.name, partition_id, dbm.get_dumped_data_block_count(), dj_pb.WriterOptions(output_writer="TF_RECORD"), None) builder.set_data_block_manager(dbm) for i in range(x.shape[0]): feat = {} exam_id = '{}'.format(i).encode() feat['example_id'] = Feature( bytes_list=BytesList(value=[exam_id])) feat['event_time'] = Feature( int64_list = Int64List(value=[i]) ) feat['x'] = Feature(float_list=FloatList(value=list(x[i]))) if y is not None: feat['y'] = Feature(int64_list=Int64List(value=[y[i]])) example = Example(features=Features(feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), i, 0) return builder.finish_data_block()
def generate_leader_raw_data(self): dbm = data_block_manager.DataBlockManager(self.data_source_l, 0) raw_data_dir = os.path.join(self.data_source_l.raw_data_dir, common.partition_repr(0)) if gfile.Exists(raw_data_dir): gfile.DeleteRecursively(raw_data_dir) gfile.MakeDirs(raw_data_dir) rdm = raw_data_visitor.RawDataManager(self.etcd, self.data_source_l, 0) block_index = 0 builder = DataBlockBuilder( self.data_source_l.raw_data_dir, self.data_source_l.data_source_meta.name, 0, block_index, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) process_index = 0 start_index = 0 for i in range(0, self.leader_end_index + 3): if (i > 0 and i % 2048 == 0) or (i == self.leader_end_index + 2): meta = builder.finish_data_block() if meta is not None: ofname = common.encode_data_block_fname( self.data_source_l.data_source_meta.name, meta) fpath = os.path.join(raw_data_dir, ofname) self.manifest_manager.add_raw_data(0, [ dj_pb.RawDataMeta( file_path=fpath, timestamp=timestamp_pb2.Timestamp(seconds=3)) ], False) process_index += 1 start_index += len(meta.example_ids) block_index += 1 builder = DataBlockBuilder( self.data_source_l.raw_data_dir, self.data_source_l.data_source_meta.name, 0, block_index, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) feat = {} pt = i + 1 << 30 if i % 3 == 0: pt = i // 3 example_id = '{}'.format(pt).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = 150000000 + pt feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) example = tf.train.Example(features=tf.train.Features( feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), i, i) fpaths = [ os.path.join(raw_data_dir, f) for f in gfile.ListDirectory(raw_data_dir) if not gfile.IsDirectory(os.path.join(raw_data_dir, f)) ] for fpath in fpaths: if not fpath.endswith(common.DataBlockSuffix): gfile.Remove(fpath)
def _create_data_block(self, data_source, partition_id, x, y): data_block_metas = [] dbm = data_block_manager.DataBlockManager(data_source, partition_id) self.assertEqual(dbm.get_dumped_data_block_count(), 0) self.assertEqual(dbm.get_lastest_data_block_meta(), None) N = 200 chunk_size = x.shape[0] // N leader_index = 0 follower_index = N * chunk_size * 10 for i in range(N): builder = DataBlockBuilder( common.data_source_data_block_dir(data_source), data_source.data_source_meta.name, partition_id, i, dj_pb.WriterOptions(output_writer="TF_RECORD"), None ) builder.set_data_block_manager(dbm) for j in range(chunk_size): feat = {} idx = i * chunk_size + j exam_id = '{}'.format(idx).encode() feat['example_id'] = Feature( bytes_list=BytesList(value=[exam_id])) evt_time = random.randint(1, 1000) feat['event_time'] = Feature( int64_list = Int64List(value=[evt_time]) ) feat['x'] = Feature(float_list=FloatList(value=list(x[idx]))) if y is not None: feat['y'] = Feature(int64_list=Int64List(value=[y[idx]])) feat['leader_index'] = Feature( int64_list = Int64List(value=[leader_index]) ) feat['follower_index'] = Feature( int64_list = Int64List(value=[follower_index]) ) example = Example(features=Features(feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), leader_index, follower_index) leader_index += 1 follower_index += 1 data_block_metas.append(builder.finish_data_block()) self.max_index = follower_index return data_block_metas
def generate_follower_data_block(self): dbm = data_block_manager.DataBlockManager(self.data_source_f, 0) self.assertEqual(dbm.get_dumped_data_block_count(), 0) self.assertEqual(dbm.get_lastest_data_block_meta(), None) leader_index = 0 follower_index = 65536 self.dumped_metas = [] for i in range(5): builder = DataBlockBuilder( common.data_source_data_block_dir(self.data_source_f), self.data_source_f.data_source_meta.name, 0, i, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) builder.set_data_block_manager(dbm) for j in range(1024): feat = {} example_id = '{}'.format(i * 1024 + j).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = 150000000 + i * 1024 + j feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) feat['leader_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[leader_index])) feat['follower_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[follower_index])) example = tf.train.Example(features=tf.train.Features( feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), leader_index, follower_index) leader_index += 3 follower_index += 1 meta = builder.finish_data_block() self.dumped_metas.append(meta) self.leader_start_index = 0 self.leader_end_index = leader_index self.assertEqual(dbm.get_dumped_data_block_count(), 5) for (idx, meta) in enumerate(self.dumped_metas): self.assertEqual(dbm.get_data_block_meta_by_index(idx), meta)
def generate_raw_data(self, begin_index, item_count): raw_data_dir = os.path.join(self.raw_data_dir, common.partition_repr(0)) if not gfile.Exists(raw_data_dir): gfile.MakeDirs(raw_data_dir) self.total_raw_data_count += item_count useless_index = 0 rdm = raw_data_visitor.RawDataManager(self.kvstore, self.data_source, 0) fpaths = [] for block_index in range(0, item_count // 2048): builder = DataBlockBuilder( self.raw_data_dir, self.data_source.data_source_meta.name, 0, block_index, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) cands = list( range(begin_index + block_index * 2048, begin_index + (block_index + 1) * 2048)) start_index = cands[0] for i in range(len(cands)): if random.randint(1, 4) > 2: continue a = random.randint(i - 32, i + 32) b = random.randint(i - 32, i + 32) if a < 0: a = 0 if a >= len(cands): a = len(cands) - 1 if b < 0: b = 0 if b >= len(cands): b = len(cands) - 1 if (abs(cands[a] - i - start_index) <= 32 and abs(cands[b] - i - start_index) <= 32): cands[a], cands[b] = cands[b], cands[a] for example_idx in cands: feat = {} example_id = '{}'.format(example_idx).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = 150000000 + example_idx feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) label = random.choice([1, 0]) if random.random() < 0.8: feat['label'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[label])) example = tf.train.Example(features=tf.train.Features( feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), useless_index, useless_index) useless_index += 1 meta = builder.finish_data_block() fname = common.encode_data_block_fname( self.data_source.data_source_meta.name, meta) fpath = os.path.join(raw_data_dir, fname) fpaths.append( dj_pb.RawDataMeta( file_path=fpath, timestamp=timestamp_pb2.Timestamp(seconds=3))) self.g_data_block_index += 1 all_files = [ os.path.join(raw_data_dir, f) for f in gfile.ListDirectory(raw_data_dir) if not gfile.IsDirectory(os.path.join(raw_data_dir, f)) ] for fpath in all_files: if not fpath.endswith(common.DataBlockSuffix): gfile.Remove(fpath) self.manifest_manager.add_raw_data(0, fpaths, False)
def generate_raw_data(self, etcd, rdp, data_source, partition_id, block_size, shuffle_win_size, feat_key_fmt, feat_val_fmt): dbm = data_block_manager.DataBlockManager(data_source, partition_id) raw_data_dir = os.path.join(data_source.raw_data_dir, common.partition_repr(partition_id)) if gfile.Exists(raw_data_dir): gfile.DeleteRecursively(raw_data_dir) gfile.MakeDirs(raw_data_dir) useless_index = 0 new_raw_data_fnames = [] for block_index in range(self.total_index // block_size): builder = DataBlockBuilder( data_source.raw_data_dir, data_source.data_source_meta.name, partition_id, block_index, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) cands = list( range(block_index * block_size, (block_index + 1) * block_size)) start_index = cands[0] for i in range(len(cands)): if random.randint(1, 4) > 2: continue a = random.randint(i - shuffle_win_size, i + shuffle_win_size) b = random.randint(i - shuffle_win_size, i + shuffle_win_size) if a < 0: a = 0 if a >= len(cands): a = len(cands) - 1 if b < 0: b = 0 if b >= len(cands): b = len(cands) - 1 if (abs(cands[a] - i - start_index) <= shuffle_win_size and abs(cands[b] - i - start_index) <= shuffle_win_size): cands[a], cands[b] = cands[b], cands[a] for example_idx in cands: feat = {} example_id = '{}'.format(example_idx).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = 150000000 + example_idx feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) feat[feat_key_fmt.format(example_idx)] = tf.train.Feature( bytes_list=tf.train.BytesList( value=[feat_val_fmt.format(example_idx).encode()])) example = tf.train.Example(features=tf.train.Features( feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), useless_index, useless_index) useless_index += 1 meta = builder.finish_data_block() fname = common.encode_data_block_fname( data_source.data_source_meta.name, meta) new_raw_data_fnames.append(os.path.join(raw_data_dir, fname)) fpaths = [ os.path.join(raw_data_dir, f) for f in gfile.ListDirectory(raw_data_dir) if not gfile.IsDirectory(os.path.join(raw_data_dir, f)) ] for fpath in fpaths: if fpath.endswith(common.DataBlockMetaSuffix): gfile.Remove(fpath) rdp.publish_raw_data(partition_id, new_raw_data_fnames)
def test_data_block_manager(self): data_block_datas = [] data_block_metas = [] leader_index = 0 follower_index = 65536 for i in range(5): fill_examples = [] builder = DataBlockBuilder( self.data_source.data_block_dir, self.data_source.data_source_meta.name, 0, i, dj_pb.WriterOptions(output_writer='TF_RECORD'), None) builder.set_data_block_manager(self.data_block_manager) for j in range(1024): feat = {} example_id = '{}'.format(i * 1024 + j).encode() feat['example_id'] = tf.train.Feature( bytes_list=tf.train.BytesList(value=[example_id])) event_time = 150000000 + i * 1024 + j feat['event_time'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[event_time])) feat['leader_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[leader_index])) feat['follower_index'] = tf.train.Feature( int64_list=tf.train.Int64List(value=[follower_index])) example = tf.train.Example(features=tf.train.Features( feature=feat)) builder.append_item(TfExampleItem(example.SerializeToString()), leader_index, follower_index) fill_examples.append((example, { 'example_id': example_id, 'event_time': event_time, 'leader_index': leader_index, 'follower_index': follower_index })) leader_index += 1 follower_index += 1 meta = builder.finish_data_block() data_block_datas.append(fill_examples) data_block_metas.append(meta) self.assertEqual(self.data_block_manager.get_dumped_data_block_count(), 5) self.assertEqual(self.data_block_manager.get_lastest_data_block_meta(), data_block_metas[-1]) for (idx, meta) in enumerate(data_block_metas): self.assertEqual( self.data_block_manager.get_data_block_meta_by_index(idx), meta) self.assertEqual( meta.block_id, common.encode_block_id(self.data_source.data_source_meta.name, meta)) self.assertEqual( self.data_block_manager.get_data_block_meta_by_index(5), None) data_block_dir = os.path.join(self.data_source.data_block_dir, common.partition_repr(0)) for (i, meta) in enumerate(data_block_metas): data_block_fpath = os.path.join( data_block_dir, meta.block_id) + common.DataBlockSuffix data_block_meta_fpath = os.path.join( data_block_dir, common.encode_data_block_meta_fname( self.data_source.data_source_meta.name, 0, meta.data_block_index)) self.assertTrue(gfile.Exists(data_block_fpath)) self.assertTrue(gfile.Exists(data_block_meta_fpath)) fiter = tf.io.tf_record_iterator(data_block_meta_fpath) remote_meta = text_format.Parse( next(fiter).decode(), dj_pb.DataBlockMeta()) self.assertEqual(meta, remote_meta) for (j, record) in enumerate( tf.io.tf_record_iterator(data_block_fpath)): example = tf.train.Example() example.ParseFromString(record) stored_data = data_block_datas[i][j] self.assertEqual(example, stored_data[0]) feat = example.features.feature stored_feat = stored_data[1] self.assertTrue('example_id' in feat) self.assertTrue('example_id' in stored_feat) self.assertEqual(stored_feat['example_id'], '{}'.format(i * 1024 + j).encode()) self.assertEqual(stored_feat['example_id'], feat['example_id'].bytes_list.value[0]) self.assertTrue('event_time' in feat) self.assertTrue('event_time' in stored_feat) self.assertEqual(stored_feat['event_time'], feat['event_time'].int64_list.value[0]) self.assertTrue('leader_index' in feat) self.assertTrue('leader_index' in stored_feat) self.assertEqual(stored_feat['leader_index'], feat['leader_index'].int64_list.value[0]) self.assertTrue('follower_index' in feat) self.assertTrue('follower_index' in stored_feat) self.assertEqual(stored_feat['follower_index'], feat['follower_index'].int64_list.value[0]) self.assertEqual(j, 1023) data_block_manager2 = data_block_manager.DataBlockManager( self.data_source, 0) self.assertEqual(self.data_block_manager.get_dumped_data_block_count(), 5)