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16
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18 package org.apache.hadoop.hbase;
19
20 import static org.apache.hadoop.hbase.io.hfile.BlockType.MAGIC_LENGTH;
21
22 import java.nio.ByteBuffer;
23 import java.nio.charset.Charset;
24 import java.util.Arrays;
25 import java.util.Collections;
26 import java.util.List;
27 import java.util.UUID;
28 import java.util.regex.Pattern;
29
30 import org.apache.commons.lang.ArrayUtils;
31 import org.apache.hadoop.hbase.classification.InterfaceAudience;
32 import org.apache.hadoop.hbase.classification.InterfaceStability;
33 import org.apache.hadoop.hbase.util.Bytes;
34
35
36
37
38 @InterfaceAudience.Public
39 @InterfaceStability.Stable
40 public final class HConstants {
41
42
43
44
45 public static final String UTF8_ENCODING = "UTF-8";
46
47
48
49 public static final Charset UTF8_CHARSET = Charset.forName(UTF8_ENCODING);
50
51
52
53 public final static int DEFAULT_BLOCKSIZE = 64 * 1024;
54
55
56 public final static int INDEX_KEY_MAGIC = -2;
57
58
59
60
61 public static final String RECOVERED_EDITS_DIR = "recovered.edits";
62
63
64
65 public static final ByteBuffer RPC_HEADER = ByteBuffer.wrap("HBas".getBytes());
66 public static final byte RPC_CURRENT_VERSION = 0;
67
68
69
70
71 public static final int HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM = MAGIC_LENGTH + 2 * Bytes.SIZEOF_INT
72 + Bytes.SIZEOF_LONG;
73
74
75
76
77 public static final int HFILEBLOCK_HEADER_SIZE = HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM +
78 Bytes.SIZEOF_BYTE + 2 * Bytes.SIZEOF_INT;
79
80 public static final byte[] HFILEBLOCK_DUMMY_HEADER = new byte[HFILEBLOCK_HEADER_SIZE];
81
82
83
84
85
86
87 public enum OperationStatusCode {
88 NOT_RUN,
89 SUCCESS,
90 BAD_FAMILY,
91 SANITY_CHECK_FAILURE,
92 FAILURE;
93 }
94
95
96 public static final Long ZERO_L = Long.valueOf(0L);
97 public static final String NINES = "99999999999999";
98 public static final String ZEROES = "00000000000000";
99
100
101
102
103 public static final String VERSION_FILE_NAME = "hbase.version";
104
105
106
107
108
109
110
111
112
113
114 public static final String FILE_SYSTEM_VERSION = "8";
115
116
117
118
119
120
121 public static final String CLUSTER_DISTRIBUTED = "hbase.cluster.distributed";
122
123
124 public static final String HBASE_MASTER_LOADBALANCER_CLASS = "hbase.master.loadbalancer.class";
125
126
127 public static final boolean CLUSTER_IS_LOCAL = false;
128
129
130 public static final boolean CLUSTER_IS_DISTRIBUTED = true;
131
132
133 public static final boolean DEFAULT_CLUSTER_DISTRIBUTED = CLUSTER_IS_LOCAL;
134
135
136 public static final String DEFAULT_HOST = "0.0.0.0";
137
138
139 public static final String MASTER_PORT = "hbase.master.port";
140
141
142 public static final int DEFAULT_MASTER_PORT = 60000;
143
144
145 public static final int DEFAULT_MASTER_INFOPORT = 60010;
146
147
148 public static final String MASTER_INFO_PORT = "hbase.master.info.port";
149
150
151 public static final String MASTER_TYPE_BACKUP = "hbase.master.backup";
152
153
154 public static final boolean DEFAULT_MASTER_TYPE_BACKUP = false;
155
156
157 public static final String ZOOKEEPER_QUORUM = "hbase.zookeeper.quorum";
158
159
160 public static final String ZOOKEEPER_CONFIG_NAME = "zoo.cfg";
161
162
163 public static final String ZK_CFG_PROPERTY_PREFIX =
164 "hbase.zookeeper.property.";
165
166 public static final int ZK_CFG_PROPERTY_PREFIX_LEN =
167 ZK_CFG_PROPERTY_PREFIX.length();
168
169
170
171
172
173 public static final String CLIENT_PORT_STR = "clientPort";
174
175
176 public static final String ZOOKEEPER_CLIENT_PORT =
177 ZK_CFG_PROPERTY_PREFIX + CLIENT_PORT_STR;
178
179
180 public static final int DEFAULT_ZOOKEPER_CLIENT_PORT = 2181;
181
182
183 public static final String ZOOKEEPER_RECOVERABLE_WAITTIME = "hbase.zookeeper.recoverable.waittime";
184
185
186 public static final long DEFAULT_ZOOKEPER_RECOVERABLE_WAITIME = 10000;
187
188
189 public static final String ZOOKEEPER_ZNODE_PARENT = "zookeeper.znode.parent";
190
191 public static final String DEFAULT_ZOOKEEPER_ZNODE_PARENT = "/hbase";
192
193
194
195
196
197 public static final String ZOOKEEPER_MAX_CLIENT_CNXNS =
198 ZK_CFG_PROPERTY_PREFIX + "maxClientCnxns";
199
200
201 public static final String ZOOKEEPER_DATA_DIR =
202 ZK_CFG_PROPERTY_PREFIX + "dataDir";
203
204
205 public static final String ZOOKEEPER_TICK_TIME =
206 ZK_CFG_PROPERTY_PREFIX + "tickTime";
207
208
209 public static final int DEFAULT_ZOOKEPER_MAX_CLIENT_CNXNS = 300;
210
211
212 public static final String ZK_SESSION_TIMEOUT = "zookeeper.session.timeout";
213
214
215 public static final int DEFAULT_ZK_SESSION_TIMEOUT = 180 * 1000;
216
217
218 public static final String ZOOKEEPER_USEMULTI = "hbase.zookeeper.useMulti";
219
220
221 public static final String REGIONSERVER_PORT = "hbase.regionserver.port";
222
223
224 public static final int DEFAULT_REGIONSERVER_PORT = 60020;
225
226
227 public static final int DEFAULT_REGIONSERVER_INFOPORT = 60030;
228
229
230 public static final String REGIONSERVER_INFO_PORT =
231 "hbase.regionserver.info.port";
232
233
234 public static final String REGIONSERVER_INFO_PORT_AUTO =
235 REGIONSERVER_INFO_PORT + ".auto";
236
237
238 public static final String REGION_SERVER_IMPL= "hbase.regionserver.impl";
239
240
241 public static final String MASTER_IMPL= "hbase.master.impl";
242
243
244 public static final String HBASECLIENT_IMPL= "hbase.hbaseclient.impl";
245
246
247 public static final String THREAD_WAKE_FREQUENCY = "hbase.server.thread.wakefrequency";
248
249
250 public static final int DEFAULT_THREAD_WAKE_FREQUENCY = 10 * 1000;
251
252
253 public static final String VERSION_FILE_WRITE_ATTEMPTS = "hbase.server.versionfile.writeattempts";
254
255
256 public static final int DEFAULT_VERSION_FILE_WRITE_ATTEMPTS = 3;
257
258
259 public static final String MAJOR_COMPACTION_PERIOD = "hbase.hregion.majorcompaction";
260
261
262 public static final String COMPACTION_KV_MAX = "hbase.hstore.compaction.kv.max";
263 public static final int COMPACTION_KV_MAX_DEFAULT = 10;
264
265
266 public static final String HBASE_DIR = "hbase.rootdir";
267
268
269 public static final String HBASE_CLIENT_IPC_POOL_TYPE = "hbase.client.ipc.pool.type";
270
271
272 public static final String HBASE_CLIENT_IPC_POOL_SIZE = "hbase.client.ipc.pool.size";
273
274
275 public static final String HBASE_CLIENT_OPERATION_TIMEOUT = "hbase.client.operation.timeout";
276
277
278 public static final String HBASE_CLIENT_META_OPERATION_TIMEOUT =
279 "hbase.client.meta.operation.timeout";
280
281
282 public static final int DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT = Integer.MAX_VALUE;
283
284
285 public static final String HREGION_LOGDIR_NAME = "WALs";
286
287
288 public static final String SPLIT_LOGDIR_NAME = "splitWAL";
289
290
291 public static final String HREGION_OLDLOGDIR_NAME = "oldWALs";
292
293 public static final String CORRUPT_DIR_NAME = "corrupt";
294
295
296 public static final String HBCK_SIDELINEDIR_NAME = ".hbck";
297
298
299 public static final String MIGRATION_NAME = ".migration";
300
301
302
303
304
305
306 public static final String LIB_DIR = "lib";
307
308
309 public static final String HREGION_COMPACTIONDIR_NAME = "compaction.dir";
310
311
312 public static final String HREGION_MAX_FILESIZE =
313 "hbase.hregion.max.filesize";
314
315
316 public static final long DEFAULT_MAX_FILE_SIZE = 10 * 1024 * 1024 * 1024L;
317
318
319
320
321
322 public static final String HSTORE_OPEN_AND_CLOSE_THREADS_MAX =
323 "hbase.hstore.open.and.close.threads.max";
324
325
326
327
328
329 public static final int DEFAULT_HSTORE_OPEN_AND_CLOSE_THREADS_MAX = 1;
330
331
332
333 public static final String HREGION_MEMSTORE_FLUSH_SIZE =
334 "hbase.hregion.memstore.flush.size";
335
336 public static final String HREGION_EDITS_REPLAY_SKIP_ERRORS =
337 "hbase.hregion.edits.replay.skip.errors";
338
339 public static final boolean DEFAULT_HREGION_EDITS_REPLAY_SKIP_ERRORS =
340 false;
341
342
343 public static final int MAXIMUM_VALUE_LENGTH = Integer.MAX_VALUE - 1;
344
345
346 public static final String CLUSTER_ID_FILE_NAME = "hbase.id";
347
348
349 public static final String CLUSTER_ID_DEFAULT = "default-cluster";
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373 @Deprecated
374 public static final byte[] META_TABLE_NAME = TableName.META_TABLE_NAME.getName();
375
376 public static final String BASE_NAMESPACE_DIR = "data";
377
378
379 public static final int META_ROW_DELIMITER = ',';
380
381
382 public static final String CATALOG_FAMILY_STR = "info";
383
384
385 public static final byte [] CATALOG_FAMILY = Bytes.toBytes(CATALOG_FAMILY_STR);
386
387
388 public static final String REGIONINFO_QUALIFIER_STR = "regioninfo";
389
390
391 public static final byte [] REGIONINFO_QUALIFIER = Bytes.toBytes(REGIONINFO_QUALIFIER_STR);
392
393
394 public static final byte [] SERVER_QUALIFIER = Bytes.toBytes("server");
395
396
397 public static final byte [] STARTCODE_QUALIFIER = Bytes.toBytes("serverstartcode");
398
399
400 public static final byte [] SEQNUM_QUALIFIER = Bytes.toBytes("seqnumDuringOpen");
401
402
403 public static final byte [] STATE_QUALIFIER = Bytes.toBytes("state");
404
405
406
407
408
409
410 public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes("sn");
411
412
413 public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes("splitA");
414
415
416 public static final byte [] SPLITB_QUALIFIER = Bytes.toBytes("splitB");
417
418
419 public static final byte[] MERGEA_QUALIFIER = Bytes.toBytes("mergeA");
420
421
422 public static final byte[] MERGEB_QUALIFIER = Bytes.toBytes("mergeB");
423
424
425
426
427
428
429 public static final byte [] META_VERSION_QUALIFIER = Bytes.toBytes("v");
430
431
432
433
434
435
436
437
438
439
440
441 public static final short META_VERSION = 1;
442
443
444
445
446
447
448 public static final byte [] EMPTY_BYTE_ARRAY = new byte [0];
449
450
451
452
453 public static final byte [] EMPTY_START_ROW = EMPTY_BYTE_ARRAY;
454
455
456
457
458 public static final byte [] EMPTY_END_ROW = EMPTY_START_ROW;
459
460
461
462
463
464 public static final byte [] LAST_ROW = EMPTY_BYTE_ARRAY;
465
466
467
468
469 public static final int MAX_ROW_LENGTH = Short.MAX_VALUE;
470
471
472
473
474
475
476 public static final long LATEST_TIMESTAMP = Long.MAX_VALUE;
477
478
479
480
481 public static final long OLDEST_TIMESTAMP = Long.MIN_VALUE;
482
483
484
485
486 public static final byte [] LATEST_TIMESTAMP_BYTES = {
487
488 (byte) (LATEST_TIMESTAMP >>> 56),
489 (byte) (LATEST_TIMESTAMP >>> 48),
490 (byte) (LATEST_TIMESTAMP >>> 40),
491 (byte) (LATEST_TIMESTAMP >>> 32),
492 (byte) (LATEST_TIMESTAMP >>> 24),
493 (byte) (LATEST_TIMESTAMP >>> 16),
494 (byte) (LATEST_TIMESTAMP >>> 8),
495 (byte) LATEST_TIMESTAMP,
496 };
497
498
499
500
501 public static final int ALL_VERSIONS = Integer.MAX_VALUE;
502
503
504
505
506
507 public static final int FOREVER = Integer.MAX_VALUE;
508
509
510
511
512 public static final int WEEK_IN_SECONDS = 7 * 24 * 3600;
513
514
515
516
517 public static final int DAY_IN_SECONDS = 24 * 60 * 60;
518 public static final int HOUR_IN_SECONDS = 60 * 60;
519 public static final int MINUTE_IN_SECONDS = 60;
520
521
522
523
524
525 public static final String NAME = "NAME";
526 public static final String VERSIONS = "VERSIONS";
527 public static final String IN_MEMORY = "IN_MEMORY";
528 public static final String METADATA = "METADATA";
529 public static final String CONFIGURATION = "CONFIGURATION";
530
531
532
533
534
535
536
537
538
539 public static final int RETRY_BACKOFF[] = {1, 2, 3, 5, 10, 20, 40, 100, 100, 100, 100, 200, 200};
540
541 public static final String REGION_IMPL = "hbase.hregion.impl";
542
543
544 public static enum Modify {
545 CLOSE_REGION,
546 TABLE_COMPACT,
547 TABLE_FLUSH,
548 TABLE_MAJOR_COMPACT,
549 TABLE_SET_HTD,
550 TABLE_SPLIT
551 }
552
553
554
555
556
557 public static final int REPLICATION_SCOPE_LOCAL = 0;
558
559
560
561
562
563 public static final int REPLICATION_SCOPE_GLOBAL = 1;
564
565
566
567
568
569 public static final UUID DEFAULT_CLUSTER_ID = new UUID(0L,0L);
570
571
572
573
574
575 public static final String HBASE_CLIENT_SCANNER_MAX_RESULT_SIZE_KEY =
576 "hbase.client.scanner.max.result.size";
577
578
579
580
581
582 public static final String HBASE_SERVER_SCANNER_MAX_RESULT_SIZE_KEY =
583 "hbase.server.scanner.max.result.size";
584
585
586
587
588
589
590
591
592 public static final long DEFAULT_HBASE_CLIENT_SCANNER_MAX_RESULT_SIZE = 2 * 1024 * 1024;
593
594
595
596
597
598
599
600
601
602 public static final long DEFAULT_HBASE_SERVER_SCANNER_MAX_RESULT_SIZE = Long.MAX_VALUE;
603
604
605
606
607
608 public static final String HBASE_CLIENT_PAUSE = "hbase.client.pause";
609
610
611
612
613 public static final long DEFAULT_HBASE_CLIENT_PAUSE = 100;
614
615
616
617
618 public static final String HBASE_CLIENT_MAX_TOTAL_TASKS = "hbase.client.max.total.tasks";
619
620
621
622
623 public static final int DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS = 100;
624
625
626
627
628
629 public static final String HBASE_CLIENT_MAX_PERSERVER_TASKS = "hbase.client.max.perserver.tasks";
630
631
632
633
634 public static final int DEFAULT_HBASE_CLIENT_MAX_PERSERVER_TASKS = 2;
635
636
637
638
639
640 public static final String HBASE_CLIENT_MAX_PERREGION_TASKS = "hbase.client.max.perregion.tasks";
641
642
643
644
645 public static final int DEFAULT_HBASE_CLIENT_MAX_PERREGION_TASKS = 1;
646
647
648
649
650
651 public static final String HBASE_SERVER_PAUSE = "hbase.server.pause";
652
653
654
655
656 public static final int DEFAULT_HBASE_SERVER_PAUSE = 1000;
657
658
659
660
661
662
663 public static final String HBASE_CLIENT_RETRIES_NUMBER = "hbase.client.retries.number";
664
665
666
667
668 public static final int DEFAULT_HBASE_CLIENT_RETRIES_NUMBER = 31;
669
670
671
672
673 public static String HBASE_CLIENT_PREFETCH = "hbase.client.prefetch";
674
675
676
677
678 public static boolean DEFAULT_HBASE_CLIENT_PREFETCH = true;
679
680
681
682
683
684 public static String HBASE_CLIENT_PREFETCH_LIMIT = "hbase.client.prefetch.limit";
685
686
687
688
689 public static int DEFAULT_HBASE_CLIENT_PREFETCH_LIMIT = 10;
690
691
692
693
694 public static final String HBASE_CLIENT_SCANNER_CACHING = "hbase.client.scanner.caching";
695
696
697
698
699 public static final int DEFAULT_HBASE_CLIENT_SCANNER_CACHING = 100;
700
701
702
703
704 public static String HBASE_META_VERSIONS = "hbase.meta.versions";
705
706
707
708
709 public static int DEFAULT_HBASE_META_VERSIONS = 10;
710
711
712
713
714 public static String HBASE_META_BLOCK_SIZE = "hbase.meta.blocksize";
715
716
717
718
719 public static int DEFAULT_HBASE_META_BLOCK_SIZE = 8 * 1024;
720
721
722
723
724
725
726
727 public static final String HBASE_META_SCANNER_CACHING = "hbase.meta.scanner.caching";
728
729
730
731
732 public static final int DEFAULT_HBASE_META_SCANNER_CACHING = 100;
733
734
735
736
737
738
739
740
741
742
743 public static final String HBASE_CLIENT_INSTANCE_ID = "hbase.client.instance.id";
744
745
746
747
748 public static final String HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD = "hbase.client.scanner.timeout.period";
749
750
751
752
753
754 @Deprecated
755 public static final String HBASE_REGIONSERVER_LEASE_PERIOD_KEY =
756 "hbase.regionserver.lease.period";
757
758
759
760
761 public static final int DEFAULT_HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD = 60000;
762
763
764
765
766 public static final String HBASE_RPC_TIMEOUT_KEY = "hbase.rpc.timeout";
767
768
769
770
771 public static final int DEFAULT_HBASE_RPC_TIMEOUT = 60000;
772
773
774
775
776 public static final String HBASE_RPC_SHORTOPERATION_TIMEOUT_KEY = "hbase.rpc.shortoperation.timeout";
777
778
779
780
781 public static final int DEFAULT_HBASE_RPC_SHORTOPERATION_TIMEOUT = 10000;
782
783
784
785
786 public static final long NO_SEQNUM = -1;
787
788
789
790
791
792 public static final String
793 REPLICATION_ENABLE_KEY = "hbase.replication";
794 public static final boolean
795 REPLICATION_ENABLE_DEFAULT = true;
796 public static final String
797 REPLICATION_SOURCE_SERVICE_CLASSNAME = "hbase.replication.source.service";
798 public static final String
799 REPLICATION_SINK_SERVICE_CLASSNAME = "hbase.replication.sink.service";
800 public static final String REPLICATION_SERVICE_CLASSNAME_DEFAULT =
801 "org.apache.hadoop.hbase.replication.regionserver.Replication";
802
803
804 public static final String HBCK_CODE_NAME = "HBCKServerName";
805
806 public static final String KEY_FOR_HOSTNAME_SEEN_BY_MASTER =
807 "hbase.regionserver.hostname.seen.by.master";
808
809 public static final String HBASE_MASTER_LOGCLEANER_PLUGINS =
810 "hbase.master.logcleaner.plugins";
811
812 public static final String HBASE_REGION_SPLIT_POLICY_KEY =
813 "hbase.regionserver.region.split.policy";
814
815
816 public static final String HBASE_RS_NONCES_ENABLED = "hbase.regionserver.nonces.enabled";
817
818
819
820
821 public static final String HFILE_BLOCK_CACHE_SIZE_KEY =
822 "hfile.block.cache.size";
823
824 public static final float HFILE_BLOCK_CACHE_SIZE_DEFAULT = 0.25f;
825
826
827
828
829 public static final float HBASE_CLUSTER_MINIMUM_MEMORY_THRESHOLD = 0.2f;
830
831 public static final Pattern CP_HTD_ATTR_KEY_PATTERN = Pattern.compile
832 ("^coprocessor\\$([0-9]+)$", Pattern.CASE_INSENSITIVE);
833 public static final Pattern CP_HTD_ATTR_VALUE_PATTERN =
834 Pattern.compile("(^[^\\|]*)\\|([^\\|]+)\\|[\\s]*([\\d]*)[\\s]*(\\|.*)?$");
835
836 public static final String CP_HTD_ATTR_VALUE_PARAM_KEY_PATTERN = "[^=,]+";
837 public static final String CP_HTD_ATTR_VALUE_PARAM_VALUE_PATTERN = "[^,]+";
838 public static final Pattern CP_HTD_ATTR_VALUE_PARAM_PATTERN = Pattern.compile(
839 "(" + CP_HTD_ATTR_VALUE_PARAM_KEY_PATTERN + ")=(" +
840 CP_HTD_ATTR_VALUE_PARAM_VALUE_PATTERN + "),?");
841
842
843 public static final int SOCKET_RETRY_WAIT_MS = 200;
844
845
846 public static final String LOCALHOST = "localhost";
847
848
849
850
851
852
853
854
855
856
857
858
859 public static final String HBASE_CHECKSUM_VERIFICATION =
860 "hbase.regionserver.checksum.verify";
861
862 public static final String LOCALHOST_IP = "127.0.0.1";
863
864
865 public static final String DISTRIBUTED_LOG_REPLAY_KEY = "hbase.master.distributed.log.replay";
866 public static final boolean DEFAULT_DISTRIBUTED_LOG_REPLAY_CONFIG = false;
867 public static final String DISALLOW_WRITES_IN_RECOVERING =
868 "hbase.regionserver.disallow.writes.when.recovering";
869 public static final boolean DEFAULT_DISALLOW_WRITES_IN_RECOVERING_CONFIG = false;
870
871 public static final String REGION_SERVER_HANDLER_COUNT = "hbase.regionserver.handler.count";
872 public static final int DEFAULT_REGION_SERVER_HANDLER_COUNT = 30;
873
874
875
876
877
878
879
880
881 public static final String REGION_SERVER_HANDLER_ABORT_ON_ERROR_PERCENT =
882 "hbase.regionserver.handler.abort.on.error.percent";
883 public static final float DEFAULT_REGION_SERVER_HANDLER_ABORT_ON_ERROR_PERCENT = -1;
884
885 public static final String REGION_SERVER_META_HANDLER_COUNT =
886 "hbase.regionserver.metahandler.count";
887 public static final int DEFAULT_REGION_SERVER_META_HANDLER_COUNT = 10;
888
889 public static final String REGION_SERVER_REPLICATION_HANDLER_COUNT =
890 "hbase.regionserver.replication.handler.count";
891 public static final int DEFAULT_REGION_SERVER_REPLICATION_HANDLER_COUNT = 3;
892
893 public static final String MASTER_HANDLER_COUNT = "hbase.master.handler.count";
894 public static final int DEFAULT_MASTER_HANLDER_COUNT = 25;
895
896
897 public static final String LOG_REPLAY_WAIT_REGION_TIMEOUT =
898 "hbase.master.log.replay.wait.region.timeout";
899
900
901
902
903
904 public static final String BYTES_PER_CHECKSUM =
905 "hbase.hstore.bytes.per.checksum";
906
907
908
909
910
911
912 public static final String CHECKSUM_TYPE_NAME =
913 "hbase.hstore.checksum.algorithm";
914
915
916 public static final String ENABLE_DATA_FILE_UMASK = "hbase.data.umask.enable";
917
918 public static final String DATA_FILE_UMASK_KEY = "hbase.data.umask";
919
920
921 public static final String ENABLE_WAL_COMPRESSION =
922 "hbase.regionserver.wal.enablecompression";
923
924
925 public static final String METRICS_RIT_STUCK_WARNING_THRESHOLD="hbase.metrics.rit.stuck.warning.threshold";
926
927 public static final String LOAD_BALANCER_SLOP_KEY = "hbase.regions.slop";
928
929
930
931
932
933 public static final byte [] NO_NEXT_INDEXED_KEY = Bytes.toBytes("NO_NEXT_INDEXED_KEY");
934
935 public static final int DELIMITER = ',';
936 public static final String HBASE_CONFIG_READ_ZOOKEEPER_CONFIG =
937 "hbase.config.read.zookeeper.config";
938 public static final boolean DEFAULT_HBASE_CONFIG_READ_ZOOKEEPER_CONFIG =
939 false;
940
941
942
943
944
945
946 public static final int NORMAL_QOS = 0;
947 public static final int QOS_THRESHOLD = 10;
948 public static final int HIGH_QOS = 100;
949 public static final int REPLICATION_QOS = 5;
950 public static final int REPLAY_QOS = 6;
951
952
953 public static final String HFILE_ARCHIVE_DIRECTORY = "archive";
954
955
956
957
958
959
960 public static final String SNAPSHOT_DIR_NAME = ".hbase-snapshot";
961
962
963 public static final String OLD_SNAPSHOT_DIR_NAME = ".snapshot";
964
965
966 public static final String HBASE_TEMP_DIRECTORY = ".tmp";
967
968
969
970 public static final String REGIONSERVER_METRICS_PERIOD = "hbase.regionserver.metrics.period";
971 public static final long DEFAULT_REGIONSERVER_METRICS_PERIOD = 5000;
972
973 public static final List<String> HBASE_NON_TABLE_DIRS =
974 Collections.unmodifiableList(Arrays.asList(new String[] {
975 HBCK_SIDELINEDIR_NAME, HBASE_TEMP_DIRECTORY, MIGRATION_NAME
976 }));
977
978
979 public static final List<String> HBASE_NON_USER_TABLE_DIRS =
980 Collections.unmodifiableList(Arrays.asList((String[])ArrayUtils.addAll(
981 new String[] { TableName.META_TABLE_NAME.getNameAsString() },
982 HBASE_NON_TABLE_DIRS.toArray())));
983
984
985 public static final String HEALTH_SCRIPT_LOC = "hbase.node.health.script.location";
986 public static final String HEALTH_SCRIPT_TIMEOUT = "hbase.node.health.script.timeout";
987 public static final String HEALTH_CHORE_WAKE_FREQ =
988 "hbase.node.health.script.frequency";
989 public static final long DEFAULT_HEALTH_SCRIPT_TIMEOUT = 60000;
990
991
992
993 public static final String HEALTH_FAILURE_THRESHOLD =
994 "hbase.node.health.failure.threshold";
995 public static final int DEFAULT_HEALTH_FAILURE_THRESHOLD = 3;
996
997
998
999
1000
1001
1002 public static final String STATUS_PUBLISHED = "hbase.status.published";
1003 public static final boolean STATUS_PUBLISHED_DEFAULT = false;
1004
1005
1006
1007
1008
1009
1010 public static final String STATUS_MULTICAST_ADDRESS = "hbase.status.multicast.address.ip";
1011 public static final String DEFAULT_STATUS_MULTICAST_ADDRESS = "226.1.1.3";
1012
1013
1014
1015
1016
1017
1018 public static final String STATUS_MULTICAST_BIND_ADDRESS = "hbase.status.multicast.bind.address.ip";
1019 public static final String DEFAULT_STATUS_MULTICAST_BIND_ADDRESS = "0.0.0.0";
1020
1021
1022
1023
1024 public static final String STATUS_MULTICAST_PORT = "hbase.status.multicast.address.port";
1025 public static final int DEFAULT_STATUS_MULTICAST_PORT = 60100;
1026
1027 public static final long NO_NONCE = 0;
1028
1029
1030 public static final String CIPHER_AES = "AES";
1031
1032
1033 @InterfaceStability.Unstable
1034 public static final String CRYPTO_CIPHERPROVIDER_CONF_KEY = "hbase.crypto.cipherprovider";
1035
1036
1037 @InterfaceStability.Unstable
1038 public static final String CRYPTO_KEYPROVIDER_CONF_KEY = "hbase.crypto.keyprovider";
1039
1040
1041 @InterfaceStability.Unstable
1042 public static final String CRYPTO_KEYPROVIDER_PARAMETERS_KEY =
1043 "hbase.crypto.keyprovider.parameters";
1044
1045
1046 @InterfaceStability.Unstable
1047 public static final String CRYPTO_MASTERKEY_NAME_CONF_KEY = "hbase.crypto.master.key.name";
1048
1049
1050 @InterfaceStability.Unstable
1051 public static final String CRYPTO_MASTERKEY_ALTERNATE_NAME_CONF_KEY =
1052 "hbase.crypto.master.alternate.key.name";
1053
1054
1055 @InterfaceStability.Unstable
1056 public static final String CRYPTO_WAL_ALGORITHM_CONF_KEY = "hbase.crypto.wal.algorithm";
1057
1058
1059 @InterfaceStability.Unstable
1060 public static final String CRYPTO_WAL_KEY_NAME_CONF_KEY = "hbase.crypto.wal.key.name";
1061
1062
1063 public static final String CRYPTO_KEY_ALGORITHM_CONF_KEY = "hbase.crypto.key.algorithm";
1064
1065
1066 public static final String CRYPTO_ALTERNATE_KEY_ALGORITHM_CONF_KEY =
1067 "hbase.crypto.alternate.key.algorithm";
1068
1069
1070 public static final String ENABLE_WAL_ENCRYPTION = "hbase.regionserver.wal.encryption";
1071
1072
1073 public static final String RPC_CODEC_CONF_KEY = "hbase.client.rpc.codec";
1074
1075
1076 public static final String REPLICATION_CODEC_CONF_KEY = "hbase.replication.rpc.codec";
1077
1078
1079
1080 public static final String ENABLE_CLIENT_BACKPRESSURE = "hbase.client.backpressure.enabled";
1081 public static final boolean DEFAULT_ENABLE_CLIENT_BACKPRESSURE = false;
1082
1083 public static final String HEAP_OCCUPANCY_LOW_WATERMARK_KEY =
1084 "hbase.heap.occupancy.low_water_mark";
1085 public static final float DEFAULT_HEAP_OCCUPANCY_LOW_WATERMARK = 0.95f;
1086 public static final String HEAP_OCCUPANCY_HIGH_WATERMARK_KEY =
1087 "hbase.heap.occupancy.high_water_mark";
1088 public static final float DEFAULT_HEAP_OCCUPANCY_HIGH_WATERMARK = 0.98f;
1089
1090 private HConstants() {
1091
1092 }
1093 }