Java Code Examples for org.apache.hadoop.hbase.client.BufferedMutatorParams#writeBufferSize()

The following examples show how to use org.apache.hadoop.hbase.client.BufferedMutatorParams#writeBufferSize() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: hbase   File: PerformanceEvaluation.java    License: Apache License 2.0 5 votes vote down vote up
@Override
void onStartup() throws IOException {
  BufferedMutatorParams p = new BufferedMutatorParams(TableName.valueOf(opts.tableName));
  p.writeBufferSize(opts.bufferSize);
  this.mutator = connection.getBufferedMutator(p);
  this.table = connection.getTable(TableName.valueOf(opts.tableName));
}
 
Example 2
@Override
protected void instantiateHTable() throws IOException {
  for (int i = 0; i < DEFAULT_TABLES_COUNT; i++) {
    BufferedMutatorParams params = new BufferedMutatorParams(getTableName(i));
    params.writeBufferSize(4 * 1024 * 1024);
    BufferedMutator table = connection.getBufferedMutator(params);
    this.tables[i] = table;
  }
}
 
Example 3
Source Project: uavstack   File: HBaseDataStore.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * msg 包括:
 * 
 * @param tablename
 * @param entity:
 *            rowkey->cf:column->value 其中增加对_timestamp字段的处理
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
protected boolean insert(DataStoreMsg msg) {

    // 根据TABLE名进行合法验证
    Map[] maps = (Map[]) adaptor.prepareInsertObj(msg, datasource.getDataStoreConnection());
    Map<byte[], Map> entity = maps[0];
    Map<byte[], Long> entityStamp = maps[1];
    String tableName = (String) msg.get(DataStoreProtocol.HBASE_TABLE_NAME);
    // add write buffer
    BufferedMutatorParams params = new BufferedMutatorParams(TableName.valueOf(tableName));

    params.writeBufferSize(1024 * 1024 * 2);
    try (BufferedMutator table = datasource.getSourceConnect().getBufferedMutator(params);) {

        // 取得所有cf
        List<Put> puts = Lists.newArrayList();
        Put put = null;
        for (byte[] rowkey : entity.keySet()) {
            // 定制时间戳
            put = entityStamp.containsKey(rowkey) ? new Put(rowkey, entityStamp.get(rowkey)) : new Put(rowkey);

            // 取得column和value
            for (Object entry : entity.get(rowkey).keySet()) {

                String[] column = ((String) entry).split(":");
                put.addColumn(Bytes.toBytes(column[0]), Bytes.toBytes(column[1]),
                        Bytes.toBytes((String) entity.get(rowkey).get(entry)));
            }
            puts.add(put);
        }
        // 批量提交
        Object[] results = new Object[puts.size()];
        // table.batch(puts, results);
        table.mutate(puts);
        // flush
        table.flush();
        // 根据插入信息操作并返回结果
        return adaptor.handleInsertResult(results, msg, datasource.getDataStoreConnection());
    }
    catch (IOException e) {
        log.err(this, "INSERT HBASE TABLE[" + tableName + "] FAIL:" + msg.toJSONString(), e);
        return false;
    }

}
 
Example 4
Source Project: flink   File: HBaseSinkFunction.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public void open(Configuration parameters) throws Exception {
	LOG.info("start open ...");
	org.apache.hadoop.conf.Configuration config = prepareRuntimeConfiguration();
	try {
		this.mutationConverter.open();
		this.numPendingRequests = new AtomicLong(0);

		if (null == connection) {
			this.connection = ConnectionFactory.createConnection(config);
		}
		// create a parameter instance, set the table name and custom listener reference.
		BufferedMutatorParams params = new BufferedMutatorParams(TableName.valueOf(hTableName))
			.listener(this);
		if (bufferFlushMaxSizeInBytes > 0) {
			params.writeBufferSize(bufferFlushMaxSizeInBytes);
		}
		this.mutator = connection.getBufferedMutator(params);

		if (bufferFlushIntervalMillis > 0) {
			this.executor = Executors.newScheduledThreadPool(
				1, new ExecutorThreadFactory("hbase-upsert-sink-flusher"));
			this.scheduledFuture = this.executor.scheduleWithFixedDelay(() -> {
				if (closed) {
					return;
				}
				try {
					flush();
				} catch (Exception e) {
					// fail the sink and skip the rest of the items
					// if the failure handler decides to throw an exception
					failureThrowable.compareAndSet(null, e);
				}
			}, bufferFlushIntervalMillis, bufferFlushIntervalMillis, TimeUnit.MILLISECONDS);
		}
	} catch (TableNotFoundException tnfe) {
		LOG.error("The table " + hTableName + " not found ", tnfe);
		throw new RuntimeException("HBase table '" + hTableName + "' not found.", tnfe);
	} catch (IOException ioe) {
		LOG.error("Exception while creating connection to HBase.", ioe);
		throw new RuntimeException("Cannot create connection to HBase.", ioe);
	}
	LOG.info("end open.");
}