#9666

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Build # #9666

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travis_ci

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web-flow

Commit Message

[IOTDB-5557] [RatisConsensus] Support linearizable read during recovery (#10597)

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34.52

/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/extractor/IoTDBDataRegionExtractor.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.pipe.extractor;

import org.apache.iotdb.commons.consensus.DataRegionId;
import org.apache.iotdb.db.pipe.config.plugin.env.PipeTaskExtractorRuntimeEnvironment;
import org.apache.iotdb.db.pipe.extractor.historical.PipeHistoricalDataRegionExtractor;
import org.apache.iotdb.db.pipe.extractor.historical.PipeHistoricalDataRegionTsFileExtractor;
import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionExtractor;
import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionFakeExtractor;
import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionHybridExtractor;
import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionLogExtractor;
import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionTsFileExtractor;
import org.apache.iotdb.db.storageengine.StorageEngine;
import org.apache.iotdb.pipe.api.PipeExtractor;
import org.apache.iotdb.pipe.api.customizer.configuration.PipeExtractorRuntimeConfiguration;
import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameterValidator;
import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameters;
import org.apache.iotdb.pipe.api.event.Event;
import org.apache.iotdb.pipe.api.exception.PipeException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;

import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_HISTORY_ENABLE_KEY;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_ENABLE;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_FILE;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_FORCED_LOG;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_HYBRID;
import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_LOG;

public class IoTDBDataRegionExtractor implements PipeExtractor {

  private static final Logger LOGGER = LoggerFactory.getLogger(IoTDBDataRegionExtractor.class);

  private final AtomicBoolean hasBeenStarted;

  private PipeHistoricalDataRegionExtractor historicalExtractor;
  private PipeRealtimeDataRegionExtractor realtimeExtractor;

  private int dataRegionId;

  public IoTDBDataRegionExtractor() {
    this.hasBeenStarted = new AtomicBoolean(false);
  }

  @Override
  public void validate(PipeParameterValidator validator) throws Exception {
    // Validate extractor.history.enable and extractor.realtime.enable
    validator
        .validateAttributeValueRange(
            EXTRACTOR_HISTORY_ENABLE_KEY, true, Boolean.TRUE.toString(), Boolean.FALSE.toString())
        .validateAttributeValueRange(
            EXTRACTOR_REALTIME_ENABLE, true, Boolean.TRUE.toString(), Boolean.FALSE.toString())
        .validate(
            args -> (boolean) args[0] || (boolean) args[1],
            String.format(
                "Should not set both %s and %s to false.",
                EXTRACTOR_HISTORY_ENABLE_KEY, EXTRACTOR_REALTIME_ENABLE),
            validator.getParameters().getBooleanOrDefault(EXTRACTOR_HISTORY_ENABLE_KEY, true),
            validator.getParameters().getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true));

    // Validate extractor.realtime.mode
    if (validator.getParameters().getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true)) {
      validator.validateAttributeValueRange(
          EXTRACTOR_REALTIME_MODE,
          true,
          EXTRACTOR_REALTIME_MODE_FILE,
          EXTRACTOR_REALTIME_MODE_HYBRID,
          EXTRACTOR_REALTIME_MODE_LOG,
          EXTRACTOR_REALTIME_MODE_FORCED_LOG);
    }

    constructHistoricalExtractor();
    constructRealtimeExtractor(validator.getParameters());

    historicalExtractor.validate(validator);
    realtimeExtractor.validate(validator);
  }

  private void constructHistoricalExtractor() {
    // Enable historical extractor by default
    historicalExtractor = new PipeHistoricalDataRegionTsFileExtractor();
  }

  private void constructRealtimeExtractor(PipeParameters parameters) {
    // Enable realtime extractor by default
    if (!parameters.getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true)) {
      realtimeExtractor = new PipeRealtimeDataRegionFakeExtractor();
      LOGGER.info("'{}' is set to false, use fake realtime extractor.", EXTRACTOR_REALTIME_ENABLE);
      return;
    }

    // Use hybrid mode by default
    if (!parameters.hasAttribute(EXTRACTOR_REALTIME_MODE)) {
      realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();
      LOGGER.info("'{}' is not set, use hybrid mode by default.", EXTRACTOR_REALTIME_MODE);
      return;
    }

    switch (parameters.getString(EXTRACTOR_REALTIME_MODE)) {
      case EXTRACTOR_REALTIME_MODE_FILE:
        realtimeExtractor = new PipeRealtimeDataRegionTsFileExtractor();
        break;
      case EXTRACTOR_REALTIME_MODE_HYBRID:
      case EXTRACTOR_REALTIME_MODE_LOG:
        realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();
        break;
      case EXTRACTOR_REALTIME_MODE_FORCED_LOG:
        realtimeExtractor = new PipeRealtimeDataRegionLogExtractor();
        break;
      default:
        realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();
        if (LOGGER.isWarnEnabled()) {
          LOGGER.warn(
              "Unsupported extractor realtime mode: {}, create a hybrid extractor.",
              parameters.getString(EXTRACTOR_REALTIME_MODE));
        }
    }
  }

  @Override
  public void customize(PipeParameters parameters, PipeExtractorRuntimeConfiguration configuration)
      throws Exception {
    dataRegionId =
        ((PipeTaskExtractorRuntimeEnvironment) configuration.getRuntimeEnvironment()).getRegionId();

    historicalExtractor.customize(parameters, configuration);
    realtimeExtractor.customize(parameters, configuration);
  }

  @Override
  public void start() throws Exception {
    if (hasBeenStarted.get()) {
      return;
    }
    hasBeenStarted.set(true);

    final AtomicReference<Exception> exceptionHolder = new AtomicReference<>(null);
    final DataRegionId dataRegionIdObject = new DataRegionId(this.dataRegionId);
    while (true) {
      // try to start extractors in the data region ...
      // first try to run if data region exists, then try to run if data region does not exist.
      // both conditions fail is not common, which means the data region is created during the
      // runIfPresent and runIfAbsent operations. in this case, we need to retry.
      if (StorageEngine.getInstance()
              .runIfPresent(
                  dataRegionIdObject,
                  (dataRegion -> {
                    dataRegion.writeLock(
                        String.format(
                            "Pipe: starting %s", IoTDBDataRegionExtractor.class.getName()));
                    try {
                      startHistoricalExtractorAndRealtimeExtractor(exceptionHolder);
                    } finally {
                      dataRegion.writeUnlock();
                    }
                  }))
          || StorageEngine.getInstance()
              .runIfAbsent(
                  dataRegionIdObject,
                  () -> startHistoricalExtractorAndRealtimeExtractor(exceptionHolder))) {
        rethrowExceptionIfAny(exceptionHolder);
        return;
      }
      rethrowExceptionIfAny(exceptionHolder);
    }
  }

  private void startHistoricalExtractorAndRealtimeExtractor(
      AtomicReference<Exception> exceptionHolder) {
    try {
      historicalExtractor.start();
      realtimeExtractor.start();
    } catch (Exception e) {
      exceptionHolder.set(e);
      LOGGER.warn(
          String.format(
              "Start historical extractor %s and realtime extractor %s error.",
              historicalExtractor, realtimeExtractor),
          e);
    }
  }

  private void rethrowExceptionIfAny(AtomicReference<Exception> exceptionHolder) {
    if (exceptionHolder.get() != null) {
      throw new PipeException("failed to start extractors.", exceptionHolder.get());
    }
  }

  @Override
  public Event supply() throws Exception {
    return historicalExtractor.hasConsumedAll()
        ? realtimeExtractor.supply()
        : historicalExtractor.supply();
  }

  @Override
  public void close() throws Exception {
    historicalExtractor.close();
    realtimeExtractor.close();
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one
3	* or more contributor license agreements. See the NOTICE file
4	* distributed with this work for additional information
5	* regarding copyright ownership. The ASF licenses this file
6	* to you under the Apache License, Version 2.0 (the
7	* "License"); you may not use this file except in compliance
8	* with the License. You may obtain a copy of the License at
9	*
10	* http://www.apache.org/licenses/LICENSE-2.0
11	*
12	* Unless required by applicable law or agreed to in writing,
13	* software distributed under the License is distributed on an
14	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15	* KIND, either express or implied. See the License for the
16	* specific language governing permissions and limitations
17	* under the License.
18	*/
19
20	package org.apache.iotdb.db.pipe.extractor;
21
22	import org.apache.iotdb.commons.consensus.DataRegionId;
23	import org.apache.iotdb.db.pipe.config.plugin.env.PipeTaskExtractorRuntimeEnvironment;
24	import org.apache.iotdb.db.pipe.extractor.historical.PipeHistoricalDataRegionExtractor;
25	import org.apache.iotdb.db.pipe.extractor.historical.PipeHistoricalDataRegionTsFileExtractor;
26	import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionExtractor;
27	import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionFakeExtractor;
28	import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionHybridExtractor;
29	import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionLogExtractor;
30	import org.apache.iotdb.db.pipe.extractor.realtime.PipeRealtimeDataRegionTsFileExtractor;
31	import org.apache.iotdb.db.storageengine.StorageEngine;
32	import org.apache.iotdb.pipe.api.PipeExtractor;
33	import org.apache.iotdb.pipe.api.customizer.configuration.PipeExtractorRuntimeConfiguration;
34	import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameterValidator;
35	import org.apache.iotdb.pipe.api.customizer.parameter.PipeParameters;
36	import org.apache.iotdb.pipe.api.event.Event;
37	import org.apache.iotdb.pipe.api.exception.PipeException;
38
39	import org.slf4j.Logger;
40	import org.slf4j.LoggerFactory;
41
42	import java.util.concurrent.atomic.AtomicBoolean;
43	import java.util.concurrent.atomic.AtomicReference;
44
45	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_HISTORY_ENABLE_KEY;
46	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_ENABLE;
47	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE;
48	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_FILE;
49	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_FORCED_LOG;
50	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_HYBRID;
51	import static org.apache.iotdb.db.pipe.config.constant.PipeExtractorConstant.EXTRACTOR_REALTIME_MODE_LOG;
52
53	public class IoTDBDataRegionExtractor implements PipeExtractor {
54
55	private static final Logger LOGGER = LoggerFactory.getLogger(IoTDBDataRegionExtractor.class);	1✔
56
57	private final AtomicBoolean hasBeenStarted;
58
59	private PipeHistoricalDataRegionExtractor historicalExtractor;
60	private PipeRealtimeDataRegionExtractor realtimeExtractor;
61
62	private int dataRegionId;
63
64	public IoTDBDataRegionExtractor() {	1✔
65	this.hasBeenStarted = new AtomicBoolean(false);	1✔
66	}	1✔
67
68	@Override
69	public void validate(PipeParameterValidator validator) throws Exception {
70	// Validate extractor.history.enable and extractor.realtime.enable
71	validator	1✔
72	.validateAttributeValueRange(	1✔
73	EXTRACTOR_HISTORY_ENABLE_KEY, true, Boolean.TRUE.toString(), Boolean.FALSE.toString())	1✔
74	.validateAttributeValueRange(	1✔
75	EXTRACTOR_REALTIME_ENABLE, true, Boolean.TRUE.toString(), Boolean.FALSE.toString())	1✔
76	.validate(	1✔
77	args -> (boolean) args[0] \|\| (boolean) args[1],	1✔
78	String.format(	1✔
79	"Should not set both %s and %s to false.",
80	EXTRACTOR_HISTORY_ENABLE_KEY, EXTRACTOR_REALTIME_ENABLE),
81	validator.getParameters().getBooleanOrDefault(EXTRACTOR_HISTORY_ENABLE_KEY, true),	1✔
82	validator.getParameters().getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true));	1✔
83
84	// Validate extractor.realtime.mode
85	if (validator.getParameters().getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true)) {	1✔
86	validator.validateAttributeValueRange(	1✔
87	EXTRACTOR_REALTIME_MODE,
88	true,
89	EXTRACTOR_REALTIME_MODE_FILE,
90	EXTRACTOR_REALTIME_MODE_HYBRID,
91	EXTRACTOR_REALTIME_MODE_LOG,
92	EXTRACTOR_REALTIME_MODE_FORCED_LOG);
93	}
94
95	constructHistoricalExtractor();	1✔
96	constructRealtimeExtractor(validator.getParameters());	1✔
97
98	historicalExtractor.validate(validator);	1✔
99	realtimeExtractor.validate(validator);	1✔
100	}	1✔
101
102	private void constructHistoricalExtractor() {
103	// Enable historical extractor by default
104	historicalExtractor = new PipeHistoricalDataRegionTsFileExtractor();	1✔
105	}	1✔
106
107	private void constructRealtimeExtractor(PipeParameters parameters) {
108	// Enable realtime extractor by default
109	if (!parameters.getBooleanOrDefault(EXTRACTOR_REALTIME_ENABLE, true)) {	1✔
110	realtimeExtractor = new PipeRealtimeDataRegionFakeExtractor();	×
111	LOGGER.info("'{}' is set to false, use fake realtime extractor.", EXTRACTOR_REALTIME_ENABLE);	×
112	return;	×
113	}
114
115	// Use hybrid mode by default
116	if (!parameters.hasAttribute(EXTRACTOR_REALTIME_MODE)) {	1✔
117	realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();	×
118	LOGGER.info("'{}' is not set, use hybrid mode by default.", EXTRACTOR_REALTIME_MODE);	×
119	return;	×
120	}
121
122	switch (parameters.getString(EXTRACTOR_REALTIME_MODE)) {	1✔
123	case EXTRACTOR_REALTIME_MODE_FILE:
124	realtimeExtractor = new PipeRealtimeDataRegionTsFileExtractor();	×
125	break;	×
126	case EXTRACTOR_REALTIME_MODE_HYBRID:
127	case EXTRACTOR_REALTIME_MODE_LOG:
128	realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();	1✔
129	break;	1✔
130	case EXTRACTOR_REALTIME_MODE_FORCED_LOG:
131	realtimeExtractor = new PipeRealtimeDataRegionLogExtractor();	×
132	break;	×
133	default:
134	realtimeExtractor = new PipeRealtimeDataRegionHybridExtractor();	×
135	if (LOGGER.isWarnEnabled()) {	×
136	LOGGER.warn(	×
137	"Unsupported extractor realtime mode: {}, create a hybrid extractor.",
138	parameters.getString(EXTRACTOR_REALTIME_MODE));	×
139	}
140	}
141	}	1✔
142
143	@Override
144	public void customize(PipeParameters parameters, PipeExtractorRuntimeConfiguration configuration)
145	throws Exception {
146	dataRegionId =	×
147	((PipeTaskExtractorRuntimeEnvironment) configuration.getRuntimeEnvironment()).getRegionId();	×
148
149	historicalExtractor.customize(parameters, configuration);	×
150	realtimeExtractor.customize(parameters, configuration);	×
151	}	×
152
153	@Override
154	public void start() throws Exception {
155	if (hasBeenStarted.get()) {	×
156	return;	×
157	}
158	hasBeenStarted.set(true);	×
159
160	final AtomicReference<Exception> exceptionHolder = new AtomicReference<>(null);	×
161	final DataRegionId dataRegionIdObject = new DataRegionId(this.dataRegionId);	×
162	while (true) {
163	// try to start extractors in the data region ...
164	// first try to run if data region exists, then try to run if data region does not exist.
165	// both conditions fail is not common, which means the data region is created during the
166	// runIfPresent and runIfAbsent operations. in this case, we need to retry.
167	if (StorageEngine.getInstance()	×
168	.runIfPresent(	×
169	dataRegionIdObject,
170	(dataRegion -> {
171	dataRegion.writeLock(	×
172	String.format(	×
173	"Pipe: starting %s", IoTDBDataRegionExtractor.class.getName()));	×
174	try {
175	startHistoricalExtractorAndRealtimeExtractor(exceptionHolder);	×
176	} finally {
177	dataRegion.writeUnlock();	×
178	}
179	}))	×
180	\|\| StorageEngine.getInstance()	×
181	.runIfAbsent(	×
182	dataRegionIdObject,
183	() -> startHistoricalExtractorAndRealtimeExtractor(exceptionHolder))) {	×
184	rethrowExceptionIfAny(exceptionHolder);	×
185	return;	×
186	}
187	rethrowExceptionIfAny(exceptionHolder);	×
188	}
189	}
190
191	private void startHistoricalExtractorAndRealtimeExtractor(
192	AtomicReference<Exception> exceptionHolder) {
193	try {
194	historicalExtractor.start();	×
195	realtimeExtractor.start();	×
196	} catch (Exception e) {	×
197	exceptionHolder.set(e);	×
198	LOGGER.warn(	×
199	String.format(	×
200	"Start historical extractor %s and realtime extractor %s error.",
201	historicalExtractor, realtimeExtractor),
202	e);
203	}	×
204	}	×
205
206	private void rethrowExceptionIfAny(AtomicReference<Exception> exceptionHolder) {
207	if (exceptionHolder.get() != null) {	×
208	throw new PipeException("failed to start extractors.", exceptionHolder.get());	×
209	}
210	}	×
211
212	@Override
213	public Event supply() throws Exception {
214	return historicalExtractor.hasConsumedAll()	×
215	? realtimeExtractor.supply()	×
216	: historicalExtractor.supply();	×
217	}
218
219	@Override
220	public void close() throws Exception {
221	historicalExtractor.close();	×
222	realtimeExtractor.close();	×
223	}	×
224	}

apache / iotdb / #9666

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