001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver;
019
020import org.apache.hadoop.hbase.metrics.BaseSource;
021import org.apache.hadoop.hbase.metrics.JvmPauseMonitorSource;
022import org.apache.yetus.audience.InterfaceAudience;
023
024/**
025 * Interface for classes that expose metrics about the regionserver.
026 */
027@InterfaceAudience.Private
028public interface MetricsRegionServerSource extends BaseSource, JvmPauseMonitorSource {
029
030  /**
031   * The name of the metrics
032   */
033  String METRICS_NAME = "Server";
034
035  /**
036   * The name of the metrics context that metrics will be under.
037   */
038  String METRICS_CONTEXT = "regionserver";
039
040  /**
041   * Description
042   */
043  String METRICS_DESCRIPTION = "Metrics about HBase RegionServer";
044
045  /**
046   * The name of the metrics context that metrics will be under in jmx
047   */
048  String METRICS_JMX_CONTEXT = "RegionServer,sub=" + METRICS_NAME;
049
050  /**
051   * Update the Put time histogram
052   * @param t time it took
053   */
054  void updatePut(long t);
055
056  /**
057   * Update the PutBatch time histogram if a batch contains a Put op
058   * @param t time it took
059   */
060  void updatePutBatch(long t);
061
062  /**
063   * Update the Delete time histogram
064   * @param t time it took
065   */
066  void updateDelete(long t);
067
068  /**
069   * Update the Delete time histogram if a batch contains a delete op
070   * @param t time it took
071   */
072  void updateDeleteBatch(long t);
073
074  /**
075   * Update checkAndDelete histogram
076   * @param t time it took
077   */
078  void updateCheckAndDelete(long t);
079
080  /**
081   * Update checkAndPut histogram
082   * @param t time it took
083   */
084  void updateCheckAndPut(long t);
085
086  /**
087   * Update checkAndMutate histogram
088   * @param t time it took
089   */
090  void updateCheckAndMutate(long t);
091
092  /**
093   * Update the Get time histogram .
094   * @param t time it took
095   */
096  void updateGet(long t);
097
098  /**
099   * Update the Increment time histogram.
100   * @param t time it took
101   */
102  void updateIncrement(long t);
103
104  /**
105   * Update the Append time histogram.
106   * @param t time it took
107   */
108  void updateAppend(long t);
109
110  /**
111   * Update the Replay time histogram.
112   * @param t time it took
113   */
114  void updateReplay(long t);
115
116  /**
117   * Update the scan size.
118   * @param scanSize size of the scan
119   */
120  void updateScanSize(long scanSize);
121
122  /**
123   * Update the scan time.
124   */
125  void updateScanTime(long t);
126
127  /**
128   * Increment the number of slow Puts that have happened.
129   */
130  void incrSlowPut();
131
132  /**
133   * Increment the number of slow Deletes that have happened.
134   */
135  void incrSlowDelete();
136
137  /**
138   * Increment the number of slow Gets that have happened.
139   */
140  void incrSlowGet();
141
142  /**
143   * Increment the number of slow Increments that have happened.
144   */
145  void incrSlowIncrement();
146
147  /**
148   * Increment the number of slow Appends that have happened.
149   */
150  void incrSlowAppend();
151
152  /**
153   * Update the split transaction time histogram
154   * @param t time it took, in milliseconds
155   */
156  void updateSplitTime(long t);
157
158  /**
159   * Increment number of a requested splits
160   */
161  void incrSplitRequest();
162
163  /**
164   * Increment number of successful splits
165   */
166  void incrSplitSuccess();
167
168  /**
169   * Update the flush time histogram
170   * @param t time it took, in milliseconds
171   */
172  void updateFlushTime(long t);
173
174  /**
175   * Update the flush memstore size histogram
176   * @param bytes the number of bytes in the memstore
177   */
178  void updateFlushMemStoreSize(long bytes);
179
180  /**
181   * Update the flush output file size histogram
182   * @param bytes the number of bytes in the output file
183   */
184  void updateFlushOutputSize(long bytes);
185
186  /**
187   * Update the compaction time histogram, both major and minor
188   * @param isMajor whether compaction is a major compaction
189   * @param t       time it took, in milliseconds
190   */
191  void updateCompactionTime(boolean isMajor, long t);
192
193  /**
194   * Update the compaction input number of files histogram
195   * @param isMajor whether compaction is a major compaction
196   * @param c       number of files
197   */
198  void updateCompactionInputFileCount(boolean isMajor, long c);
199
200  /**
201   * Update the compaction total input file size histogram
202   * @param isMajor whether compaction is a major compaction
203   * @param bytes   the number of bytes of the compaction input file
204   */
205  void updateCompactionInputSize(boolean isMajor, long bytes);
206
207  /**
208   * Update the compaction output number of files histogram
209   * @param isMajor whether compaction is a major compaction
210   * @param c       number of files
211   */
212  void updateCompactionOutputFileCount(boolean isMajor, long c);
213
214  /**
215   * Update the compaction total output file size
216   * @param isMajor whether compaction is a major compaction
217   * @param bytes   the number of bytes of the compaction input file
218   */
219  void updateCompactionOutputSize(boolean isMajor, long bytes);
220
221  void incrScannerLeaseExpired();
222
223  // Strings used for exporting to metrics system.
224  String REGION_COUNT = "regionCount";
225  String REGION_COUNT_DESC = "Number of regions";
226  String STORE_COUNT = "storeCount";
227  String STORE_COUNT_DESC = "Number of Stores";
228  String WALFILE_COUNT = "hlogFileCount";
229  String WALFILE_COUNT_DESC = "Number of WAL Files";
230  String WALFILE_SIZE = "hlogFileSize";
231  String WALFILE_SIZE_DESC = "Size of all WAL Files";
232  String STOREFILE_COUNT = "storeFileCount";
233  String STOREFILE_COUNT_DESC = "Number of Store Files";
234  String STORE_REF_COUNT = "storeRefCount";
235  String STORE_REF_COUNT_DESC = "Store reference count";
236  String MAX_COMPACTED_STORE_FILE_REF_COUNT = "maxCompactedStoreFileRefCount";
237  String MEMSTORE_SIZE = "memStoreSize";
238  String MEMSTORE_SIZE_DESC = "Size of the memstore";
239  String STOREFILE_SIZE = "storeFileSize";
240  String STOREFILE_SIZE_GROWTH_RATE = "storeFileSizeGrowthRate";
241  String MAX_STORE_FILE_AGE = "maxStoreFileAge";
242  String MIN_STORE_FILE_AGE = "minStoreFileAge";
243  String AVG_STORE_FILE_AGE = "avgStoreFileAge";
244  String NUM_REFERENCE_FILES = "numReferenceFiles";
245  String MAX_STORE_FILE_AGE_DESC = "Max age of store files hosted on this RegionServer";
246  String MIN_STORE_FILE_AGE_DESC = "Min age of store files hosted on this RegionServer";
247  String AVG_STORE_FILE_AGE_DESC = "Average age of store files hosted on this RegionServer";
248  String NUM_REFERENCE_FILES_DESC = "Number of reference file on this RegionServer";
249  String STOREFILE_SIZE_DESC = "Size of storefiles being served.";
250  String STOREFILE_SIZE_GROWTH_RATE_DESC =
251    "Bytes per second by which the size of storefiles being served grows.";
252  String TOTAL_REQUEST_COUNT = "totalRequestCount";
253  String TOTAL_REQUEST_COUNT_DESC =
254    "Total number of requests this RegionServer has answered; increments the count once for "
255      + "EVERY access whether an admin operation, a Scan, a Put or Put of 1M rows, or a Get "
256      + "of a non-existent row";
257  String TOTAL_ROW_ACTION_REQUEST_COUNT = "totalRowActionRequestCount";
258  String TOTAL_ROW_ACTION_REQUEST_COUNT_DESC =
259    "Total number of region requests this RegionServer has answered; counts by row-level "
260      + "action at the RPC Server (Sums 'readRequestsCount' and 'writeRequestsCount'); counts"
261      + "once per access whether a Put of 1M rows or a Get that returns 1M Results";
262  String READ_REQUEST_COUNT = "readRequestCount";
263  String FILTERED_READ_REQUEST_COUNT = "filteredReadRequestCount";
264  String FILTERED_READ_REQUEST_COUNT_DESC =
265    "Number of read requests this region server has answered.";
266  String READ_REQUEST_COUNT_DESC =
267    "Number of read requests with non-empty Results that this RegionServer has answered.";
268  String READ_REQUEST_RATE_PER_SECOND = "readRequestRatePerSecond";
269  String READ_REQUEST_RATE_DESC =
270    "Rate of answering the read requests by this region server per second.";
271  String CP_REQUEST_COUNT = "cpRequestCount";
272  String CP_REQUEST_COUNT_DESC =
273    "Number of coprocessor service requests this region server has answered.";
274  String WRITE_REQUEST_COUNT = "writeRequestCount";
275  String WRITE_REQUEST_COUNT_DESC = "Number of mutation requests this RegionServer has answered.";
276  String WRITE_REQUEST_RATE_PER_SECOND = "writeRequestRatePerSecond";
277  String WRITE_REQUEST_RATE_DESC =
278    "Rate of answering the mutation requests by this region server per second.";
279  String CHECK_MUTATE_FAILED_COUNT = "checkMutateFailedCount";
280  String CHECK_MUTATE_FAILED_COUNT_DESC =
281    "Number of Check and Mutate calls that failed the checks.";
282  String CHECK_MUTATE_PASSED_COUNT = "checkMutatePassedCount";
283  String CHECK_MUTATE_PASSED_COUNT_DESC =
284    "Number of Check and Mutate calls that passed the checks.";
285  String STOREFILE_INDEX_SIZE = "storeFileIndexSize";
286  String STOREFILE_INDEX_SIZE_DESC = "Size of indexes in storefiles on disk.";
287  String STATIC_INDEX_SIZE = "staticIndexSize";
288  String STATIC_INDEX_SIZE_DESC = "Uncompressed size of the static indexes.";
289  String STATIC_BLOOM_SIZE = "staticBloomSize";
290  String STATIC_BLOOM_SIZE_DESC = "Uncompressed size of the static bloom filters.";
291
292  String BLOOM_FILTER_REQUESTS_COUNT = "bloomFilterRequestsCount";
293  String BLOOM_FILTER_REQUESTS_COUNT_DESC = "Count of requests to bloom filters.";
294
295  String BLOOM_FILTER_NEGATIVE_RESULTS_COUNT = "bloomFilterNegativeResultsCount";
296  String BLOOM_FILTER_NEGATIVE_RESULTS_COUNT_DESC =
297    "Count of bloom filter requests which returned a negative result.";
298
299  String BLOOM_FILTER_ELIGIBLE_REQUESTS_COUNT = "bloomFilterEligibleRequestsCount";
300  String BLOOM_FILTER_ELIGIBLE_REQUESTS_COUNT_DESC =
301    "Count of requests which could have used bloom filters but didn't because they weren't configured or loaded";
302
303  String NUMBER_OF_MUTATIONS_WITHOUT_WAL = "mutationsWithoutWALCount";
304  String NUMBER_OF_MUTATIONS_WITHOUT_WAL_DESC =
305    "Number of mutations that have been sent by clients with the write ahead logging turned off.";
306  String DATA_SIZE_WITHOUT_WAL = "mutationsWithoutWALSize";
307  String DATA_SIZE_WITHOUT_WAL_DESC =
308    "Size of data that has been sent by clients with the write ahead logging turned off.";
309  String PERCENT_FILES_LOCAL = "percentFilesLocal";
310  String PERCENT_FILES_LOCAL_DESC =
311    "The percent of HFiles that are stored on the local hdfs data node.";
312  String PERCENT_FILES_LOCAL_SECONDARY_REGIONS = "percentFilesLocalSecondaryRegions";
313  String PERCENT_FILES_LOCAL_SECONDARY_REGIONS_DESC =
314    "The percent of HFiles used by secondary regions that are stored on the local hdfs data node.";
315  String SPLIT_QUEUE_LENGTH = "splitQueueLength";
316  String SPLIT_QUEUE_LENGTH_DESC = "Length of the queue for splits.";
317  String COMPACTION_QUEUE_LENGTH = "compactionQueueLength";
318  String LARGE_COMPACTION_QUEUE_LENGTH = "largeCompactionQueueLength";
319  String SMALL_COMPACTION_QUEUE_LENGTH = "smallCompactionQueueLength";
320  String COMPACTION_QUEUE_LENGTH_DESC = "Length of the queue for compactions.";
321  String LARGE_COMPACTION_QUEUE_LENGTH_DESC = "Length of the queue for compactions with input size "
322    + "larger than throttle threshold (2.5GB by default)";
323  String SMALL_COMPACTION_QUEUE_LENGTH_DESC = "Length of the queue for compactions with input size "
324    + "smaller than throttle threshold (2.5GB by default)";
325  String FLUSH_QUEUE_LENGTH = "flushQueueLength";
326  String FLUSH_QUEUE_LENGTH_DESC = "Length of the queue for region flushes";
327  String BLOCK_CACHE_FREE_SIZE = "blockCacheFreeSize";
328  String BLOCK_CACHE_FREE_DESC = "Size of the block cache that is not occupied.";
329  String BLOCK_CACHE_COUNT = "blockCacheCount";
330  String BLOCK_CACHE_COUNT_DESC = "Number of block in the block cache.";
331  String BLOCK_CACHE_DATA_BLOCK_COUNT = "blockCacheDataBlockCount";
332  String BLOCK_CACHE_DATA_BLOCK_COUNT_DESC = "Number of DATA block in the block cache.";
333  String BLOCK_CACHE_SIZE = "blockCacheSize";
334  String BLOCK_CACHE_SIZE_DESC = "Size of the block cache.";
335  String BLOCK_CACHE_HIT_COUNT = "blockCacheHitCount";
336  String BLOCK_CACHE_HIT_COUNT_DESC = "Count of the hit on the block cache.";
337  String BLOCK_CACHE_PRIMARY_HIT_COUNT = "blockCacheHitCountPrimary";
338  String BLOCK_CACHE_PRIMARY_HIT_COUNT_DESC = "Count of hit on primary replica in the block cache.";
339  String BLOCK_CACHE_HIT_CACHING_COUNT = "blockCacheHitCachingCount";
340  String BLOCK_CACHE_HIT_CACHING_COUNT_DESC =
341    "Count of the hit on the block cache, for cacheable requests.";
342  String BLOCK_CACHE_MISS_COUNT = "blockCacheMissCount";
343  String BLOCK_COUNT_MISS_COUNT_DESC =
344    "Number of requests for a block that missed the block cache.";
345  String BLOCK_CACHE_PRIMARY_MISS_COUNT = "blockCacheMissCountPrimary";
346  String BLOCK_COUNT_PRIMARY_MISS_COUNT_DESC =
347    "Number of requests for a block of primary replica that missed the block cache.";
348  String BLOCK_CACHE_MISS_CACHING_COUNT = "blockCacheMissCachingCount";
349  String BLOCK_COUNT_MISS_CACHING_COUNT_DESC =
350    "Number of requests for a block that missed the block cache, for cacheable requests.";
351  String BLOCK_CACHE_EVICTION_COUNT = "blockCacheEvictionCount";
352  String BLOCK_CACHE_EVICTION_COUNT_DESC =
353    "Count of the number of blocks evicted from the block cache."
354      + "(Not including blocks evicted because of HFile removal)";
355  String BLOCK_CACHE_PRIMARY_EVICTION_COUNT = "blockCacheEvictionCountPrimary";
356  String BLOCK_CACHE_PRIMARY_EVICTION_COUNT_DESC =
357    "Count of the number of blocks evicted from primary replica in the block cache.";
358  String BLOCK_CACHE_HIT_PERCENT = "blockCacheCountHitPercent";
359  String BLOCK_CACHE_HIT_PERCENT_DESC = "Percent of block cache requests that are hits";
360  String BLOCK_CACHE_EXPRESS_HIT_PERCENT = "blockCacheExpressHitPercent";
361  String BLOCK_CACHE_EXPRESS_HIT_PERCENT_DESC =
362    "The percent of the time that requests with the cache turned on hit the cache.";
363  String BLOCK_CACHE_FAILED_INSERTION_COUNT = "blockCacheFailedInsertionCount";
364  String BLOCK_CACHE_FAILED_INSERTION_COUNT_DESC =
365    "Number of times that a block cache " + "insertion failed. Usually due to size restrictions.";
366  String BLOCK_CACHE_DATA_MISS_COUNT = "blockCacheDataMissCount";
367  String BLOCK_CACHE_ENCODED_DATA_MISS_COUNT = "blockCacheEncodedDataMissCount";
368  String BLOCK_CACHE_LEAF_INDEX_MISS_COUNT = "blockCacheLeafIndexMissCount";
369  String BLOCK_CACHE_BLOOM_CHUNK_MISS_COUNT = "blockCacheBloomChunkMissCount";
370  String BLOCK_CACHE_META_MISS_COUNT = "blockCacheMetaMissCount";
371  String BLOCK_CACHE_ROOT_INDEX_MISS_COUNT = "blockCacheRootIndexMissCount";
372  String BLOCK_CACHE_INTERMEDIATE_INDEX_MISS_COUNT = "blockCacheIntermediateIndexMissCount";
373  String BLOCK_CACHE_FILE_INFO_MISS_COUNT = "blockCacheFileInfoMissCount";
374  String BLOCK_CACHE_GENERAL_BLOOM_META_MISS_COUNT = "blockCacheGeneralBloomMetaMissCount";
375  String BLOCK_CACHE_DELETE_FAMILY_BLOOM_MISS_COUNT = "blockCacheDeleteFamilyBloomMissCount";
376  String BLOCK_CACHE_TRAILER_MISS_COUNT = "blockCacheTrailerMissCount";
377  String BLOCK_CACHE_DATA_HIT_COUNT = "blockCacheDataHitCount";
378  String BLOCK_CACHE_ENCODED_DATA_HIT_COUNT = "blockCacheEncodedDataHitCount";
379  String BLOCK_CACHE_LEAF_INDEX_HIT_COUNT = "blockCacheLeafIndexHitCount";
380  String BLOCK_CACHE_BLOOM_CHUNK_HIT_COUNT = "blockCacheBloomChunkHitCount";
381  String BLOCK_CACHE_META_HIT_COUNT = "blockCacheMetaHitCount";
382  String BLOCK_CACHE_ROOT_INDEX_HIT_COUNT = "blockCacheRootIndexHitCount";
383  String BLOCK_CACHE_INTERMEDIATE_INDEX_HIT_COUNT = "blockCacheIntermediateIndexHitCount";
384  String BLOCK_CACHE_FILE_INFO_HIT_COUNT = "blockCacheFileInfoHitCount";
385  String BLOCK_CACHE_GENERAL_BLOOM_META_HIT_COUNT = "blockCacheGeneralBloomMetaHitCount";
386  String BLOCK_CACHE_DELETE_FAMILY_BLOOM_HIT_COUNT = "blockCacheDeleteFamilyBloomHitCount";
387  String BLOCK_CACHE_TRAILER_HIT_COUNT = "blockCacheTrailerHitCount";
388  String L1_CACHE_FREE_SIZE = "l1CacheFreeSize";
389  String L1_CACHE_FREE_SIZE_DESC = "Amount of free bytes in the L1 cache";
390  String L1_CACHE_SIZE = "l1CacheSize";
391  String L1_CACHE_SIZE_DESC = "Size of the L1 cache in bytes";
392  String L1_CACHE_COUNT = "l1CacheCount";
393  String L1_CACHE_COUNT_DESC = "Count of blocks in the L1 cache";
394  String L1_CACHE_EVICTION_COUNT = "l1CacheEvictionCount";
395  String L1_CACHE_EVICTION_COUNT_DESC = "Count of blocks evicted from the L1 cache";
396
397  String L1_CACHE_HIT_COUNT = "l1CacheHitCount";
398  String L1_CACHE_HIT_COUNT_DESC = "L1 cache hit count.";
399  String L1_CACHE_MISS_COUNT = "l1CacheMissCount";
400  String L1_CACHE_MISS_COUNT_DESC = "L1 cache miss count.";
401  String L1_CACHE_HIT_RATIO = "l1CacheHitRatio";
402  String L1_CACHE_HIT_RATIO_DESC = "L1 cache hit ratio.";
403  String L1_CACHE_MISS_RATIO = "l1CacheMissRatio";
404  String L1_CACHE_MISS_RATIO_DESC = "L1 cache miss ratio.";
405  String L2_CACHE_FREE_SIZE = "l2CacheFreeSize";
406  String L2_CACHE_FREE_SIZE_DESC = "Amount of free bytes in the L2 cache";
407  String L2_CACHE_SIZE = "l2CacheSize";
408  String L2_CACHE_SIZE_DESC = "Size of the L2 cache in bytes";
409  String L2_CACHE_COUNT = "l2CacheCount";
410  String L2_CACHE_COUNT_DESC = "Count of blocks in the L2 cache";
411  String L2_CACHE_EVICTION_COUNT = "l2CacheEvictionCount";
412  String L2_CACHE_EVICTION_COUNT_DESC = "Count of blocks evicted from the L2 cache";
413  String L2_CACHE_HIT_COUNT = "l2CacheHitCount";
414  String L2_CACHE_HIT_COUNT_DESC = "L2 cache hit count.";
415  String L2_CACHE_MISS_COUNT = "l2CacheMissCount";
416  String L2_CACHE_MISS_COUNT_DESC = "L2 cache miss count.";
417  String L2_CACHE_HIT_RATIO = "l2CacheHitRatio";
418  String L2_CACHE_HIT_RATIO_DESC = "L2 cache hit ratio.";
419  String L2_CACHE_MISS_RATIO = "l2CacheMissRatio";
420  String L2_CACHE_MISS_RATIO_DESC = "L2 cache miss ratio.";
421  String RS_START_TIME_NAME = "regionServerStartTime";
422  String ZOOKEEPER_QUORUM_NAME = "zookeeperQuorum";
423  String SERVER_NAME_NAME = "serverName";
424  String CLUSTER_ID_NAME = "clusterId";
425  String RS_START_TIME_DESC = "RegionServer Start Time";
426  String ZOOKEEPER_QUORUM_DESC = "ZooKeeper Quorum";
427  String SERVER_NAME_DESC = "Server Name";
428  String CLUSTER_ID_DESC = "Cluster Id";
429  String UPDATES_BLOCKED_TIME = "updatesBlockedTime";
430  String UPDATES_BLOCKED_DESC =
431    "Number of MS updates have been blocked so that the memstore can be flushed.";
432  String DELETE_KEY = "delete";
433  String CHECK_AND_DELETE_KEY = "checkAndDelete";
434  String CHECK_AND_PUT_KEY = "checkAndPut";
435  String CHECK_AND_MUTATE_KEY = "checkAndMutate";
436  String DELETE_BATCH_KEY = "deleteBatch";
437  String GET_SIZE_KEY = "getSize";
438  String GET_KEY = "get";
439  String INCREMENT_KEY = "increment";
440  String PUT_KEY = "put";
441  String PUT_BATCH_KEY = "putBatch";
442  String APPEND_KEY = "append";
443  String REPLAY_KEY = "replay";
444  String SCAN_KEY = "scan";
445  String SCAN_SIZE_KEY = "scanSize";
446  String SCAN_TIME_KEY = "scanTime";
447
448  String SLOW_PUT_KEY = "slowPutCount";
449  String SLOW_GET_KEY = "slowGetCount";
450  String SLOW_DELETE_KEY = "slowDeleteCount";
451  String SLOW_INCREMENT_KEY = "slowIncrementCount";
452  String SLOW_APPEND_KEY = "slowAppendCount";
453  String SLOW_PUT_DESC = "The number of batches containing puts that took over 1000ms to complete";
454  String SLOW_DELETE_DESC =
455    "The number of batches containing delete(s) that took over 1000ms to complete";
456  String SLOW_GET_DESC = "The number of Gets that took over 1000ms to complete";
457  String SLOW_INCREMENT_DESC = "The number of Increments that took over 1000ms to complete";
458  String SLOW_APPEND_DESC = "The number of Appends that took over 1000ms to complete";
459
460  String FLUSHED_CELLS = "flushedCellsCount";
461  String FLUSHED_CELLS_DESC = "The number of cells flushed to disk";
462  String FLUSHED_CELLS_SIZE = "flushedCellsSize";
463  String FLUSHED_CELLS_SIZE_DESC = "The total amount of data flushed to disk, in bytes";
464  String COMPACTED_CELLS = "compactedCellsCount";
465  String COMPACTED_CELLS_DESC = "The number of cells processed during minor compactions";
466  String COMPACTED_CELLS_SIZE = "compactedCellsSize";
467  String COMPACTED_CELLS_SIZE_DESC =
468    "The total amount of data processed during minor compactions, in bytes";
469  String MAJOR_COMPACTED_CELLS = "majorCompactedCellsCount";
470  String MAJOR_COMPACTED_CELLS_DESC = "The number of cells processed during major compactions";
471  String MAJOR_COMPACTED_CELLS_SIZE = "majorCompactedCellsSize";
472  String MAJOR_COMPACTED_CELLS_SIZE_DESC =
473    "The total amount of data processed during major compactions, in bytes";
474  String CELLS_COUNT_COMPACTED_TO_MOB = "cellsCountCompactedToMob";
475  String CELLS_COUNT_COMPACTED_TO_MOB_DESC = "The number of cells moved to mob during compaction";
476  String CELLS_COUNT_COMPACTED_FROM_MOB = "cellsCountCompactedFromMob";
477  String CELLS_COUNT_COMPACTED_FROM_MOB_DESC =
478    "The number of cells moved from mob during compaction";
479  String CELLS_SIZE_COMPACTED_TO_MOB = "cellsSizeCompactedToMob";
480  String CELLS_SIZE_COMPACTED_TO_MOB_DESC =
481    "The total amount of cells move to mob during compaction, in bytes";
482  String CELLS_SIZE_COMPACTED_FROM_MOB = "cellsSizeCompactedFromMob";
483  String CELLS_SIZE_COMPACTED_FROM_MOB_DESC =
484    "The total amount of cells move from mob during compaction, in bytes";
485  String MOB_FLUSH_COUNT = "mobFlushCount";
486  String MOB_FLUSH_COUNT_DESC = "The number of the flushes in mob-enabled stores";
487  String MOB_FLUSHED_CELLS_COUNT = "mobFlushedCellsCount";
488  String MOB_FLUSHED_CELLS_COUNT_DESC = "The number of mob cells flushed to disk";
489  String MOB_FLUSHED_CELLS_SIZE = "mobFlushedCellsSize";
490  String MOB_FLUSHED_CELLS_SIZE_DESC = "The total amount of mob cells flushed to disk, in bytes";
491  String MOB_SCAN_CELLS_COUNT = "mobScanCellsCount";
492  String MOB_SCAN_CELLS_COUNT_DESC = "The number of scanned mob cells";
493  String MOB_SCAN_CELLS_SIZE = "mobScanCellsSize";
494  String MOB_SCAN_CELLS_SIZE_DESC = "The total amount of scanned mob cells, in bytes";
495  String MOB_FILE_CACHE_ACCESS_COUNT = "mobFileCacheAccessCount";
496  String MOB_FILE_CACHE_ACCESS_COUNT_DESC = "The count of accesses to the mob file cache";
497  String MOB_FILE_CACHE_MISS_COUNT = "mobFileCacheMissCount";
498  String MOB_FILE_CACHE_MISS_COUNT_DESC = "The count of misses to the mob file cache";
499  String MOB_FILE_CACHE_HIT_PERCENT = "mobFileCacheHitPercent";
500  String MOB_FILE_CACHE_HIT_PERCENT_DESC = "The hit percent to the mob file cache";
501  String MOB_FILE_CACHE_EVICTED_COUNT = "mobFileCacheEvictedCount";
502  String MOB_FILE_CACHE_EVICTED_COUNT_DESC = "The number of items evicted from the mob file cache";
503  String MOB_FILE_CACHE_COUNT = "mobFileCacheCount";
504  String MOB_FILE_CACHE_COUNT_DESC = "The count of cached mob files";
505
506  String HEDGED_READS = "hedgedReads";
507  String HEDGED_READS_DESC = "The number of times we started a hedged read";
508  String HEDGED_READ_WINS = "hedgedReadWins";
509  String HEDGED_READ_WINS_DESC =
510    "The number of times we started a hedged read and a hedged read won";
511  String HEDGED_READ_IN_CUR_THREAD = "hedgedReadOpsInCurThread";
512  String HEDGED_READ_IN_CUR_THREAD_DESC = "The number of times we execute a hedged read"
513    + " in current thread as a fallback for task rejection";
514
515  String TOTAL_BYTES_READ = "totalBytesRead";
516  String TOTAL_BYTES_READ_DESC = "The total number of bytes read from HDFS";
517  String LOCAL_BYTES_READ = "localBytesRead";
518  String LOCAL_BYTES_READ_DESC = "The number of bytes read from the local HDFS DataNode";
519  String SHORTCIRCUIT_BYTES_READ = "shortCircuitBytesRead";
520  String SHORTCIRCUIT_BYTES_READ_DESC = "The number of bytes read through HDFS short circuit read";
521  String ZEROCOPY_BYTES_READ = "zeroCopyBytesRead";
522  String ZEROCOPY_BYTES_READ_DESC = "The number of bytes read through HDFS zero copy";
523
524  String BLOCKED_REQUESTS_COUNT = "blockedRequestCount";
525  String BLOCKED_REQUESTS_COUNT_DESC = "The number of blocked requests because of memstore size is "
526    + "larger than blockingMemStoreSize";
527
528  String SPLIT_KEY = "splitTime";
529  String SPLIT_REQUEST_KEY = "splitRequestCount";
530  String SPLIT_REQUEST_DESC = "Number of splits requested";
531  String SPLIT_SUCCESS_KEY = "splitSuccessCount";
532  String SPLIT_SUCCESS_DESC = "Number of successfully executed splits";
533
534  String FLUSH_TIME = "flushTime";
535  String FLUSH_TIME_DESC = "Histogram for the time in millis for memstore flush";
536  String FLUSH_MEMSTORE_SIZE = "flushMemstoreSize";
537  String FLUSH_MEMSTORE_SIZE_DESC = "Histogram for number of bytes in the memstore for a flush";
538  String FLUSH_OUTPUT_SIZE = "flushOutputSize";
539  String FLUSH_OUTPUT_SIZE_DESC = "Histogram for number of bytes in the resulting file for a flush";
540  String FLUSHED_OUTPUT_BYTES = "flushedOutputBytes";
541  String FLUSHED_OUTPUT_BYTES_DESC = "Total number of bytes written from flush";
542  String FLUSHED_MEMSTORE_BYTES = "flushedMemstoreBytes";
543  String FLUSHED_MEMSTORE_BYTES_DESC = "Total number of bytes of cells in memstore from flush";
544
545  String COMPACTION_TIME = "compactionTime";
546  String COMPACTION_TIME_DESC =
547    "Histogram for the time in millis for compaction, both major and minor";
548  String COMPACTION_INPUT_FILE_COUNT = "compactionInputFileCount";
549  String COMPACTION_INPUT_FILE_COUNT_DESC =
550    "Histogram for the compaction input number of files, both major and minor";
551  String COMPACTION_INPUT_SIZE = "compactionInputSize";
552  String COMPACTION_INPUT_SIZE_DESC =
553    "Histogram for the compaction total input file sizes, both major and minor";
554  String COMPACTION_OUTPUT_FILE_COUNT = "compactionOutputFileCount";
555  String COMPACTION_OUTPUT_FILE_COUNT_DESC =
556    "Histogram for the compaction output number of files, both major and minor";
557  String COMPACTION_OUTPUT_SIZE = "compactionOutputSize";
558  String COMPACTION_OUTPUT_SIZE_DESC =
559    "Histogram for the compaction total output file sizes, both major and minor";
560  String COMPACTED_INPUT_BYTES = "compactedInputBytes";
561  String COMPACTED_INPUT_BYTES_DESC =
562    "Total number of bytes that is read for compaction, both major and minor";
563  String COMPACTED_OUTPUT_BYTES = "compactedOutputBytes";
564  String COMPACTED_OUTPUT_BYTES_DESC =
565    "Total number of bytes that is output from compaction, both major and minor";
566
567  String MAJOR_COMPACTION_TIME = "majorCompactionTime";
568  String MAJOR_COMPACTION_TIME_DESC = "Histogram for the time in millis for compaction, major only";
569  String MAJOR_COMPACTION_INPUT_FILE_COUNT = "majorCompactionInputFileCount";
570  String MAJOR_COMPACTION_INPUT_FILE_COUNT_DESC =
571    "Histogram for the compaction input number of files, major only";
572  String MAJOR_COMPACTION_INPUT_SIZE = "majorCompactionInputSize";
573  String MAJOR_COMPACTION_INPUT_SIZE_DESC =
574    "Histogram for the compaction total input file sizes, major only";
575  String MAJOR_COMPACTION_OUTPUT_FILE_COUNT = "majorCompactionOutputFileCount";
576  String MAJOR_COMPACTION_OUTPUT_FILE_COUNT_DESC =
577    "Histogram for the compaction output number of files, major only";
578  String MAJOR_COMPACTION_OUTPUT_SIZE = "majorCompactionOutputSize";
579  String MAJOR_COMPACTION_OUTPUT_SIZE_DESC =
580    "Histogram for the compaction total output file sizes, major only";
581  String MAJOR_COMPACTED_INPUT_BYTES = "majorCompactedInputBytes";
582  String MAJOR_COMPACTED_INPUT_BYTES_DESC =
583    "Total number of bytes that is read for compaction, major only";
584  String MAJOR_COMPACTED_OUTPUT_BYTES = "majorCompactedOutputBytes";
585  String MAJOR_COMPACTED_OUTPUT_BYTES_DESC =
586    "Total number of bytes that is output from compaction, major only";
587
588  String RPC_GET_REQUEST_COUNT = "rpcGetRequestCount";
589  String RPC_GET_REQUEST_COUNT_DESC = "Number of rpc get requests this RegionServer has answered.";
590  String RPC_SCAN_REQUEST_COUNT = "rpcScanRequestCount";
591  String RPC_SCAN_REQUEST_COUNT_DESC =
592    "Number of rpc scan requests this RegionServer has answered.";
593  String RPC_FULL_SCAN_REQUEST_COUNT = "rpcFullScanRequestCount";
594  String RPC_FULL_SCAN_REQUEST_COUNT_DESC =
595    "Number of rpc scan requests that were possible full region scans.";
596  String RPC_MULTI_REQUEST_COUNT = "rpcMultiRequestCount";
597  String RPC_MULTI_REQUEST_COUNT_DESC =
598    "Number of rpc multi requests this RegionServer has answered.";
599  String RPC_MUTATE_REQUEST_COUNT = "rpcMutateRequestCount";
600  String RPC_MUTATE_REQUEST_COUNT_DESC =
601    "Number of rpc mutation requests this RegionServer has answered.";
602  String MAX_STOREFILE_COUNT = "maxStoreFileCount";
603  String MAX_STOREFILE_COUNT_DESC = "Max store file count across all regions";
604  String AVERAGE_REGION_SIZE = "averageRegionSize";
605  String AVERAGE_REGION_SIZE_DESC =
606    "Average region size over the RegionServer including memstore and storefile sizes.";
607
608  /** Metrics for {@link org.apache.hadoop.hbase.io.ByteBuffAllocator} **/
609  String BYTE_BUFF_ALLOCATOR_HEAP_ALLOCATION_BYTES = "ByteBuffAllocatorHeapAllocationBytes";
610  String BYTE_BUFF_ALLOCATOR_HEAP_ALLOCATION_BYTES_DESC =
611    "Bytes of heap allocation from ByteBuffAllocator";
612  String BYTE_BUFF_ALLOCATOR_POOL_ALLOCATION_BYTES = "ByteBuffAllocatorPoolAllocationBytes";
613  String BYTE_BUFF_ALLOCATOR_POOL_ALLOCATION_BYTES_DESC =
614    "Bytes of pool allocation from ByteBuffAllocator";
615  String BYTE_BUFF_ALLOCATOR_HEAP_ALLOCATION_RATIO = "ByteBuffAllocatorHeapAllocationRatio";
616  String BYTE_BUFF_ALLOCATOR_HEAP_ALLOCATION_RATIO_DESC =
617    "Ratio of heap allocation from ByteBuffAllocator, means heapAllocation/totalAllocation";
618  String BYTE_BUFF_ALLOCATOR_TOTAL_BUFFER_COUNT = "ByteBuffAllocatorTotalBufferCount";
619  String BYTE_BUFF_ALLOCATOR_TOTAL_BUFFER_COUNT_DESC = "Total buffer count in ByteBuffAllocator";
620  String BYTE_BUFF_ALLOCATOR_USED_BUFFER_COUNT = "ByteBuffAllocatorUsedBufferCount";
621  String BYTE_BUFF_ALLOCATOR_USED_BUFFER_COUNT_DESC = "Used buffer count in ByteBuffAllocator";
622
623  String ACTIVE_SCANNERS = "activeScanners";
624  String ACTIVE_SCANNERS_DESC = "Gauge of currently active scanners";
625
626  String SCANNER_LEASE_EXPIRED_COUNT = "scannerLeaseExpiredCount";
627  String SCANNER_LEASE_EXPIRED_COUNT_DESC =
628    "Count of scanners which were expired due to scanner lease timeout";
629}