configuration.json

   1 {
   2     "params": {
   3         "allow_data_loss_during_shutdown": {
   4             "default": "false",
   5             "dynamic": false,
   6             "type": "bool"
   7         },
   8         "alog_block_size": {
   9             "default": "4096",
  10             "descr": "Logging block size.",
  11             "dynamic": false,
  12             "type": "size_t"
  13         },
  14         "alog_path": {
  15             "default": "",
  16             "descr": "Path to the access log.",
  17             "dynamic": false,
  18             "type": "std::string"
  19         },
  20         "access_scanner_enabled": {
  21             "default": "true",
  22             "descr": "True if access scanner task is enabled",
  23             "type": "bool"
  24         },
  25         "alog_sleep_time": {
  26             "default": "1440",
  27             "descr": "Number of minutes between each sweep for the access log",
  28             "type": "size_t",
  29             "validator": {
  30                 "range": {
  31                     "max": 4320,
  32                     "min": 1
  33                 }
  34             }
  35         },
  36         "alog_task_time": {
  37             "default": "10",
  38             "descr": "Hour in GMT time when access scanner task is scheduled to run",
  39             "type": "size_t",
  40             "validator": {
  41                 "range": {
  42                     "max": 23,
  43                     "min": 0
  44                 }
  45             }
  46         },
  47         "backend": {
  48             "default": "couchdb",
  49             "dynamic": false,
  50             "type": "std::string",
  51             "validator": {
  52                 "enum": [
  53                     "couchdb"
  54                 ]
  55             }
  56         },
  57         "backfill_mem_threshold": {
  58             "default": "96",
  59             "desr": "Percentage of memory that backfill task is allowed to consume",
  60             "type": "size_t",
  61             "validator": {
  62                 "range": {
  63                     "max": 100,
  64                     "min": 0
  65                 }
  66             }
  67         },
  68         "bg_fetch_delay": {
  69             "default": "0",
  70             "type": "size_t",
  71             "validator": {
  72                 "range": {
  73                     "max": 900,
  74                     "min": 0
  75                 }
  76             }
  77         },
  78         "compaction_exp_mem_threshold": {
  79             "default": "85",
  80             "desr": "Memory usage threshold after which compaction will not queue expired items for deletion",
  81             "type": "size_t",
  82             "validator": {
  83                 "range": {
  84                     "max": 100,
  85                     "min": 0
  86                 }
  87             }
  88         },
  89         "chk_max_items": {
  90             "default": "500",
  91             "type": "size_t"
  92         },
  93         "chk_period": {
  94             "default": "5",
  95             "type": "size_t"
  96         },
  97         "chk_remover_stime": {
  98             "default": "5",
  99             "type": "size_t"
 100         },
 101         "compaction_write_queue_cap": {
 102             "default": "10000",
 103             "desr" : "Disk write queue threshold after which compaction tasks will be made to snooze, if there are already pending compaction tasks",
 104             "type" : "size_t"
 105         },
 106         "config_file": {
 107             "default": "",
 108             "dynamic": false,
 109             "type": "std::string"
 110         },
 111         "conflict_resolution_type": {
 112             "default": "seqno",
 113             "dynamic": false,
 114             "type": "std::string",
 115             "validator": {
 116                 "enum": [
 117                     "seqno"
 118                 ]
 119             }
 120         },
 121         "couch_bucket": {
 122             "default": "default",
 123             "dynamic": false,
 124             "type": "std::string"
 125         },
 126         "data_traffic_enabled": {
 127             "default": "true",
 128             "descr": "True if we want to enable data traffic after warmup is complete",
 129             "type": "bool"
 130         },
 131         "dbname": {
 132             "default": "/tmp/test",
 133             "descr": "Path to on-disk storage.",
 134             "dynamic": false,
 135             "type": "std::string"
 136         },
 137         "enable_chk_merge": {
 138             "default": "false",
 139             "descr": "True if merging closed checkpoints is enabled",
 140             "type": "bool"
 141         },
 142         "exp_pager_stime": {
 143             "default": "3600",
 144             "type": "size_t"
 145         },
 146         "failpartialwarmup": {
 147             "default": "true",
 148             "type": "bool"
 149         },
 150         "flushall_enabled": {
 151             "default": "false",
 152             "descr": "True if memcached flush API is enabled",
 153             "type": "bool"
 154         },
 155         "getl_default_timeout": {
 156             "default": "15",
 157             "descr": "The default timeout for a getl lock in (s)",
 158             "type": "size_t"
 159         },
 160         "getl_max_timeout": {
 161             "default": "30",
 162             "descr": "The maximum timeout for a getl lock in (s)",
 163             "type": "size_t"
 164         },
 165         "ht_locks": {
 166             "default": "47",
 167             "type": "size_t"
 168         },
 169         "ht_size": {
 170             "default": "0",
 171             "type": "size_t"
 172         },
 173         "initfile": {
 174             "default": "",
 175             "type": "std::string"
 176         },
 177         "item_eviction_policy": {
 178             "default": "value_only",
 179             "descr": "Item eviction policy on cache, which is used by the item pager",
 180             "type": "std::string",
 181             "validator": {
 182                 "enum": [
 183                     "value_only",
 184                     "full_eviction"
 185                 ]
 186             }
 187         },
 188         "item_num_based_new_chk": {
 189             "default": "true",
 190             "descr": "True if the number of items in the current checkpoint plays a role in a new checkpoint creation",
 191             "type": "bool"
 192         },
 193         "keep_closed_chks": {
 194             "default": "false",
 195             "descr": "True if we want to keep the closed checkpoints for each vbucket unless the memory usage is above high water mark",
 196             "type": "bool"
 197         },
 198         "max_checkpoints": {
 199             "default": "2",
 200             "type": "size_t"
 201         },
 202         "max_failover_entries": {
 203             "default": "25",
 204             "descr": "maximum number of failover log entries",
 205             "type": "size_t"
 206         },
 207         "max_item_size": {
 208             "default": "(20 * 1024 * 1024)",
 209             "descr": "Maximum number of bytes allowed for an item",
 210             "type": "size_t"
 211         },
 212         "max_size": {
 213             "default": "0",
 214             "type": "size_t"
 215         },
 216         "max_vbuckets": {
 217             "default": "1024",
 218             "descr": "Maximum number of vbuckets expected",
 219             "dynamic": false,
 220             "type": "size_t"
 221         },
 222         "max_threads": {
 223             "default": "0",
 224             "descr": "Maximum number of threads in global pool",
 225             "dynamic": false,
 226             "type": "size_t"
 227         },
 228         "max_num_shards": {
 229             "default": "4",
 230             "descr": "Maximum number of shards",
 231             "dynamic": false,
 232             "type": "size_t"
 233         },
 234         "max_num_workers": {
 235             "default": "4",
 236             "descr": "Bucket Priority relative to other buckets",
 237             "dynamic": false,
 238             "type": "size_t",
 239             "validator": {
 240                 "range": {
 241                     "max": 8,
 242                     "min": 1
 243                 }
 244             }
 245         },
 246         "max_num_readers": {
 247             "default": "0",
 248             "descr": "Throttle max number of reader threads",
 249             "dynamic": false,
 250             "type": "size_t",
 251             "validator": {
 252                 "range": {
 253                     "max": 512,
 254                     "min": 0
 255                 }
 256             }
 257         },
 258         "max_num_writers": {
 259             "default": "0",
 260             "descr": "Throttle max number of writer threads",
 261             "dynamic": false,
 262             "type": "size_t",
 263             "validator": {
 264                 "range": {
 265                     "max": 512,
 266                     "min": 0
 267                 }
 268             }
 269         },
 270         "max_num_auxio": {
 271             "default": "0",
 272             "descr": "Throttle max number of aux io threads",
 273             "dynamic": false,
 274             "type": "size_t",
 275             "validator": {
 276                 "range": {
 277                     "max": 512,
 278                     "min": 0
 279                 }
 280             }
 281         },
 282         "max_num_nonio": {
 283             "default": "0",
 284             "descr": "Throttle max number of non io threads",
 285             "dynamic": false,
 286             "type": "size_t",
 287             "validator": {
 288                 "range": {
 289                     "max": 512,
 290                     "min": 0
 291                 }
 292             }
 293         },
 294         "mem_high_wat": {
 295             "default": "max",
 296             "type": "size_t"
 297         },
 298         "mem_low_wat": {
 299             "default": "max",
 300             "type": "size_t"
 301         },
 302         "mutation_mem_threshold": {
 303             "default": "93",
 304             "desr": "Percentage of memory that can be used before mutations return tmpOOMs",
 305             "type": "size_t",
 306             "validator" : {
 307                 "range" : {
 308                     "max": 100,
 309                     "min": 0
 310                 }
 311             }
 312         },
 313         "pager_active_vb_pcnt": {
 314             "default": "40",
 315             "descr": "Active vbuckets paging percentage",
 316             "type": "size_t",
 317             "validator": {
 318                 "range": {
 319                     "max": 50,
 320                     "min": 0
 321                 }
 322             }
 323         },
 324         "postInitfile": {
 325             "default": "",
 326             "type": "std::string"
 327         },
 328         "tap_ack_grace_period": {
 329             "default": "300",
 330             "type": "size_t"
 331         },
 332         "tap_ack_initial_sequence_number": {
 333             "default": "1",
 334             "type": "size_t"
 335         },
 336         "tap_ack_interval": {
 337             "default": "1000",
 338             "type": "size_t"
 339         },
 340         "tap_ack_window_size": {
 341             "default": "10",
 342             "type": "size_t"
 343         },
 344         "tap_backfill_resident": {
 345             "default": "0.9",
 346             "type": "float"
 347         },
 348         "tap_backlog_limit": {
 349             "default": "5000",
 350             "type": "size_t"
 351         },
 352         "tap_backoff_period": {
 353             "default": "5.0",
 354             "type": "float"
 355         },
 356         "tap_bg_max_pending": {
 357             "default": "500",
 358             "type": "size_t"
 359         },
 360         "tap_keepalive": {
 361             "default": "0",
 362             "type": "size_t"
 363         },
 364         "tap_noop_interval": {
 365             "default": "200",
 366             "descr": "Number of seconds between a noop is sent on an idle connection",
 367             "type": "size_t"
 368         },
 369         "tap_requeue_sleep_time": {
 370             "default": "0.1",
 371             "type": "float"
 372         },
 373         "tap_throttle_cap_pcnt": {
 374             "default": "10",
 375             "descr": "Percentage of total items in write queue at which we throttle tap input",
 376             "type": "size_t",
 377             "validator": {
 378                 "range": {
 379                     "max": 100,
 380                     "min": 0
 381                 }
 382             }
 383         },
 384         "tap_throttle_queue_cap": {
 385             "default": "-1",
 386             "descr": "Max size of a write queue to throttle incoming tap input.",
 387             "type": "ssize_t",
 388             "validator": {
 389                 "range": {
 390                     "max": 100000000,
 391                     "min": -1
 392                 }
 393             }
 394         },
 395         "tap_throttle_threshold": {
 396             "default": "99",
 397             "descr": "Percentage of max mem at which we begin NAKing tap input.",
 398             "type": "size_t",
 399             "validator": {
 400                 "range": {
 401                     "max": 100,
 402                     "min": 0
 403                 }
 404             }
 405         },
 406         "uuid": {
 407             "default": "",
 408             "descr": "The UUID for the bucket",
 409             "dynamic" : false,
 410             "type": "std::string"
 411         },
 412         "dcp_conn_buffer_size": {
 413             "default": "10485760",
 414             "descr": "Size in bytes of an dcp consumer connection buffer",
 415             "dynamic": false,
 416             "type": "size_t"
 417         },
 418         "dcp_enable_flow_control": {
 419             "default": "true",
 420             "descr": "Whether or not dcp connections should use flow control",
 421             "dynamic": false,
 422             "type": "bool"
 423         },
 424         "dcp_enable_noop": {
 425             "default": "true",
 426             "descr": "Whether or not dcp connections should use no-ops",
 427             "dynamic": false,
 428             "type": "bool"
 429         },
 430         "dcp_noop_interval": {
 431             "default": "180",
 432             "descr": "Number of seconds between a noop",
 433             "type": "size_t"
 434         },
 435         "dcp_max_unacked_bytes": {
 436             "default": "524288",
 437             "descr": "Amount of processed bytes before an ack is required",
 438             "dynamic": false,
 439             "type": "size_t"
 440         },
 441         "dcp_producer_snapshot_marker_yield_limit": {
 442             "default": "10",
 443             "descr": "The number of snapshots before ActiveStreamCheckpointProcessorTask::run yields.",
 444             "type": "size_t"
 445         },
 446         "vb0": {
 447             "default": "false",
 448             "type": "bool"
 449         },
 450         "waitforwarmup": {
 451             "default": "false",
 452             "type": "bool"
 453         },
 454         "warmup": {
 455             "default": "true",
 456             "type": "bool"
 457         },
 458         "warmup_batch_size": {
 459             "default": "1000",
 460             "descr": "The size of each batch loaded during warmup.",
 461             "dynamic": false,
 462             "type": "size_t",
 463             "validator": {
 464                 "range": {
 465                     "max": 10000,
 466                     "min": 1
 467                 }
 468             }
 469         },
 470         "warmup_min_memory_threshold": {
 471             "default": "100",
 472             "descr": "Percentage of max mem warmed up before we enable traffic.",
 473             "type": "size_t",
 474             "validator": {
 475                 "range": {
 476                     "max": 100,
 477                     "min": 0
 478                 }
 479             }
 480         },
 481         "warmup_min_items_threshold": {
 482             "default": "100",
 483             "descr": "Percentage of total items warmed up before we enable traffic.",
 484             "type": "size_t",
 485             "validator": {
 486                 "range": {
 487                     "max": 100,
 488                     "min": 0
 489                 }
 490             }
 491         }
 492     }
 493 }