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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, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase.replication.regionserver;
20  
21  import org.apache.hadoop.hbase.metrics.MetricRegistryInfo;
22  import org.apache.hadoop.metrics2.lib.MutableFastCounter;
23  import org.apache.hadoop.metrics2.lib.MutableGaugeInt;
24  import org.apache.hadoop.metrics2.lib.MutableGaugeLong;
25  import org.apache.hadoop.metrics2.lib.MutableHistogram;
26  
27  public class MetricsReplicationGlobalSourceSource implements MetricsReplicationSourceSource{
28    private final MetricsReplicationSourceImpl rms;
29  
30    private final MutableHistogram ageOfLastShippedOpHist;
31    private final MutableGaugeLong sizeOfLogQueueGauge;
32    private final MutableFastCounter logReadInEditsCounter;
33    private final MutableFastCounter logEditsFilteredCounter;
34    private final MutableFastCounter shippedBatchesCounter;
35    private final MutableFastCounter shippedOpsCounter;
36    private final MutableFastCounter shippedBytesCounter;
37    @Deprecated
38    private final MutableFastCounter shippedKBsCounter;
39    private final MutableFastCounter logReadInBytesCounter;
40    private final MutableFastCounter shippedHFilesCounter;
41    private final MutableGaugeLong sizeOfHFileRefsQueueGauge;
42    private final MutableFastCounter unknownFileLengthForClosedWAL;
43    private final MutableFastCounter uncleanlyClosedWAL;
44    private final MutableFastCounter uncleanlyClosedSkippedBytes;
45    private final MutableFastCounter restartWALReading;
46    private final MutableFastCounter repeatedFileBytes;
47    private final MutableFastCounter completedWAL;
48    private final MutableFastCounter completedRecoveryQueue;
49    private final MutableFastCounter failedRecoveryQueue;
50    private final MutableGaugeInt sourceInitializing;
51  
52    public MetricsReplicationGlobalSourceSource(MetricsReplicationSourceImpl rms) {
53      this.rms = rms;
54  
55      ageOfLastShippedOpHist =
56        rms.getMetricsRegistry().newTimeHistogram(SOURCE_AGE_OF_LAST_SHIPPED_OP);
57  
58      sizeOfLogQueueGauge = rms.getMetricsRegistry().getGauge(SOURCE_SIZE_OF_LOG_QUEUE, 0L);
59  
60      shippedBatchesCounter = rms.getMetricsRegistry().getCounter(SOURCE_SHIPPED_BATCHES, 0L);
61  
62      shippedOpsCounter = rms.getMetricsRegistry().getCounter(SOURCE_SHIPPED_OPS, 0L);
63  
64      shippedKBsCounter = rms.getMetricsRegistry().getCounter(SOURCE_SHIPPED_KBS, 0L);
65  
66      shippedBytesCounter = rms.getMetricsRegistry().getCounter(SOURCE_SHIPPED_BYTES, 0L);
67  
68      logReadInBytesCounter = rms.getMetricsRegistry().getCounter(SOURCE_LOG_READ_IN_BYTES, 0L);
69  
70      logReadInEditsCounter = rms.getMetricsRegistry().getCounter(SOURCE_LOG_READ_IN_EDITS, 0L);
71  
72      logEditsFilteredCounter = rms.getMetricsRegistry().getCounter(SOURCE_LOG_EDITS_FILTERED, 0L);
73  
74      shippedHFilesCounter = rms.getMetricsRegistry().getCounter(SOURCE_SHIPPED_HFILES, 0L);
75  
76      sizeOfHFileRefsQueueGauge =
77          rms.getMetricsRegistry().getGauge(SOURCE_SIZE_OF_HFILE_REFS_QUEUE, 0L);
78  
79      unknownFileLengthForClosedWAL = rms.getMetricsRegistry().getCounter(SOURCE_CLOSED_LOGS_WITH_UNKNOWN_LENGTH, 0L);
80      uncleanlyClosedWAL = rms.getMetricsRegistry().getCounter(SOURCE_UNCLEANLY_CLOSED_LOGS, 0L);
81      uncleanlyClosedSkippedBytes = rms.getMetricsRegistry().getCounter(SOURCE_UNCLEANLY_CLOSED_IGNORED_IN_BYTES, 0L);
82      restartWALReading = rms.getMetricsRegistry().getCounter(SOURCE_RESTARTED_LOG_READING, 0L);
83      repeatedFileBytes = rms.getMetricsRegistry().getCounter(SOURCE_REPEATED_LOG_FILE_BYTES, 0L);
84      completedWAL = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_LOGS, 0L);
85      completedRecoveryQueue = rms.getMetricsRegistry().getCounter(SOURCE_COMPLETED_RECOVERY_QUEUES, 0L);
86      failedRecoveryQueue = rms.getMetricsRegistry()
87          .getCounter(SOURCE_FAILED_RECOVERY_QUEUES, 0L);
88      sourceInitializing = rms.getMetricsRegistry().getGaugeInt(SOURCE_INITIALIZING, 0);
89    }
90  
91    @Override public void setLastShippedAge(long age) {
92      ageOfLastShippedOpHist.add(age);
93    }
94  
95    @Override public void incrSizeOfLogQueue(int size) {
96      sizeOfLogQueueGauge.incr(size);
97    }
98  
99    @Override public void decrSizeOfLogQueue(int size) {
100     sizeOfLogQueueGauge.decr(size);
101   }
102 
103   @Override public void incrLogReadInEdits(long size) {
104     logReadInEditsCounter.incr(size);
105   }
106 
107   @Override public void incrLogEditsFiltered(long size) {
108     logEditsFilteredCounter.incr(size);
109   }
110 
111   @Override public void incrBatchesShipped(int batches) {
112     shippedBatchesCounter.incr(batches);
113   }
114 
115   @Override public void incrOpsShipped(long ops) {
116     shippedOpsCounter.incr(ops);
117   }
118 
119   @Override public void incrShippedBytes(long size) {
120     shippedBytesCounter.incr(size);
121     // obtained value maybe smaller than 1024. We should make sure that KB count
122     // eventually picks up even from multiple smaller updates.
123     incrementKBsCounter(shippedBytesCounter, shippedKBsCounter);
124   }
125 
126   static void incrementKBsCounter(MutableFastCounter bytesCounter, MutableFastCounter kbsCounter) {
127     // Following code should be thread-safe.
128     long delta = 0;
129     while(true) {
130       long bytes = bytesCounter.value();
131       delta = (bytes / 1024) - kbsCounter.value();
132       if (delta > 0) {
133         kbsCounter.incr(delta);
134       } else {
135         break;
136       }
137     }
138   }
139 
140   @Override public void incrLogReadInBytes(long size) {
141     logReadInBytesCounter.incr(size);
142   }
143 
144   @Override public void clear() {
145   }
146 
147   @Override
148   public long getLastShippedAge() {
149     return ageOfLastShippedOpHist.getMax();
150   }
151 
152   @Override public void incrHFilesShipped(long hfiles) {
153     shippedHFilesCounter.incr(hfiles);
154   }
155 
156   @Override
157   public void incrSizeOfHFileRefsQueue(long size) {
158     sizeOfHFileRefsQueueGauge.incr(size);
159   }
160 
161   @Override
162   public void decrSizeOfHFileRefsQueue(long size) {
163     sizeOfHFileRefsQueueGauge.decr(size);
164   }
165 
166   @Override
167   public int getSizeOfLogQueue() {
168     return (int)sizeOfLogQueueGauge.value();
169   }
170 
171   @Override
172   public void incrUnknownFileLengthForClosedWAL() {
173     unknownFileLengthForClosedWAL.incr(1L);
174   }
175   @Override
176   public void incrUncleanlyClosedWALs() {
177     uncleanlyClosedWAL.incr(1L);
178   }
179 
180   @Override
181   public long getUncleanlyClosedWALs() {
182     return uncleanlyClosedWAL.value();
183   }
184 
185   @Override
186   public void incrBytesSkippedInUncleanlyClosedWALs(final long bytes) {
187     uncleanlyClosedSkippedBytes.incr(bytes);
188   }
189   @Override
190   public void incrRestartedWALReading() {
191     restartWALReading.incr(1L);
192   }
193   @Override
194   public void incrRepeatedFileBytes(final long bytes) {
195     repeatedFileBytes.incr(bytes);
196   }
197   @Override
198   public void incrCompletedWAL() {
199     completedWAL.incr(1L);
200   }
201   @Override
202   public void incrCompletedRecoveryQueue() {
203     completedRecoveryQueue.incr(1L);
204   }
205   @Override
206   public void incrFailedRecoveryQueue() {
207     failedRecoveryQueue.incr(1L);
208   }
209 
210   @Override
211   public void setOldestWalAge(long age) {
212     // Not implemented
213   }
214 
215   @Override
216   public long getOldestWalAge() {
217     // Not implemented
218     return 0;
219   }
220 
221   @Override
222   public void incrSourceInitializing() {
223     sourceInitializing.incr(1);
224   }
225 
226   @Override
227   public void decrSourceInitializing() {
228     sourceInitializing.decr(1);
229   }
230 
231   @Override
232   public int getSourceInitializing() {
233     return sourceInitializing.value();
234   }
235 
236   @Override
237   public void init() {
238     rms.init();
239   }
240 
241   @Override
242   public void setGauge(String gaugeName, long value) {
243     rms.setGauge(gaugeName, value);
244   }
245 
246   @Override
247   public void incGauge(String gaugeName, long delta) {
248     rms.incGauge(gaugeName, delta);
249   }
250 
251   @Override
252   public void decGauge(String gaugeName, long delta) {
253     rms.decGauge(gaugeName, delta);
254   }
255 
256   @Override
257   public void removeMetric(String key) {
258     rms.removeMetric(key);
259   }
260 
261   @Override
262   public void incCounters(String counterName, long delta) {
263     rms.incCounters(counterName, delta);
264   }
265 
266   @Override
267   public void updateHistogram(String name, long value) {
268     rms.updateHistogram(name, value);
269   }
270 
271   @Override
272   public String getMetricsContext() {
273     return rms.getMetricsContext();
274   }
275 
276   @Override
277   public String getMetricsDescription() {
278     return rms.getMetricsDescription();
279   }
280 
281   @Override
282   public String getMetricsJmxContext() {
283     return rms.getMetricsJmxContext();
284   }
285 
286   @Override
287   public String getMetricsName() {
288     return rms.getMetricsName();
289   }
290 
291   @Override
292   public MetricRegistryInfo getMetricRegistryInfo() {
293     return new MetricRegistryInfo(getMetricsName(), getMetricsDescription(),
294       getMetricsContext(), getMetricsJmxContext(), true);
295   }
296 }