The SWC-DB Manager - Configuration Properties

• swc.mngr.cfg.dyn

  TYPE_STRINGS The Dynamic cfg-file to use. Managers will check & reload this cfg-file by swc.cfg.dyn.period
  default swc.mngr.cfg.dyn=

• swc.mngr.concurrency.relative

  TYPE_BOOL Whether HW-Concurrency base is used with the Applicable cfg properties.
  default swc.mngr.concurrency.relative=true

• swc.mngr.reactors

  TYPE_INT32 The number of communication reactor to initialize an io-context for a given acceptor-fd. The total or the base of HW-concurrency for one reactor.
  default swc.mngr.reactors=4

• swc.mngr.workers

  TYPE_INT32 The number or HW-Concurrency base of workers a comm-reactor initalizes.
  default swc.mngr.workers=16

• swc.mngr.handlers

  TYPE_INT32 The number or HW-Concurrency of Application handlers.
  default swc.mngr.handlers=4

• swc.mngr.clients.handlers

  TYPE_INT32 The number or HW-Concurrency base of DB-Clients handlers.
  default swc.mngr.clients.handlers=2

• swc.mngr.metrics.enabled

  TYPE_BOOL Enable or Disable Manager Metrics Monitoring.
  default swc.mngr.metrics.enabled=true

• swc.mngr.metrics.report.broker

  TYPE_BOOL Report Metrics via Broker Client.
  default swc.mngr.metrics.report.broker=true

The configuration properties applicable for dynamic reloading

• swc.mngr.comm.encoder

  TYPE_ENUM_G The encoding to use in communication, options PLAIN/ZSTD/SNAPPY/ZLIB.

  If address of local & remote is the same, the Encoder is set to PLAIN.

  default swc.mngr.comm.encoder=ZSTD

• swc.mngr.metrics.report.interval

  TYPE_INT32_G The Metrics Reporting Interval in Seconds. Zero(=0) skips metrics update.
  default swc.mngr.metrics.report.interval=300

• swc.mngr.role.request.timeout

  TYPE_INT32_G The Timeout in milliseconds of MngrState request.
  default swc.mngr.role.request.timeout=60000

• swc.mngr.role.connection.probes

  TYPE_UINT16_G The number of probes to try to establish connection with other Manager.
  default swc.mngr.role.connection.probes=3

• swc.mngr.role.connection.timeout

  TYPE_INT32_G The timeout in milliseconds for establishing connection with other Manager.
  default swc.mngr.role.connection.timeout=1000

• swc.mngr.role.connection.fallback.failures

  TYPE_INT32_G The Manager State becomes OFF after this Number of failures
  default swc.mngr.role.connection.fallback.failures=3

• swc.mngr.role.check.delay.fallback

  TYPE_INT32_G The delay in milliseconds followed by check at fallback.failures reach
  default swc.mngr.role.check.delay.fallback=30000

• swc.mngr.role.check.interval

  TYPE_INT32_G The interval in milliseconds between Managers-Status changes
  default swc.mngr.role.check.interval=120000

• swc.mngr.role.check.delay.updated

  TYPE_INT32_G The Delay in milliseconds on Managers-Status changes
  default swc.mngr.role.check.delay.updated=200

• swc.mngr.ranges.assign.Rgr.remove.failures

  TYPE_UINT16_G The number of failures(establishing connection X probes) after which a Ranger is removed
  default swc.mngr.ranges.assign.Rgr.remove.failures=255

• swc.mngr.ranges.assign.delay.onRangerChange

  TYPE_INT32_G The Delay of Ranges Assignment Check in milliseconds on Ranger state change (on/off)
  default swc.mngr.ranges.assign.delay.onRangerChange=30000

• swc.mngr.ranges.assign.delay.afterColumnsInit

  TYPE_INT32_G The Delay of Ranges Assignment Check in milliseconds follow columns init
  default swc.mngr.ranges.assign.delay.afterColumnsInit=30000

• swc.mngr.ranges.assign.interval.check

  TYPE_INT32_G The Ranges assignment interval in milliseconds between checks
  default swc.mngr.ranges.assign.interval.check=60000

• swc.mngr.ranges.assign.due

  TYPE_INT32_G The total allowed ranges due on Ranger assignment
  default swc.mngr.ranges.assign.due=100

• swc.mngr.column.health.interval.check

  TYPE_INT32_G The Column Health Check Interval in milliseconds
  default swc.mngr.column.health.interval.check=300000

• swc.mngr.column.health.checks

  TYPE_INT32_G The Number of concurrent Column Health Checks
  default swc.mngr.column.health.checks=2

• swc.mngr.column.health.checks.delay

  TYPE_INT32_G The delay between Column Health Checks in milliseconds
  default swc.mngr.column.health.checks.delay=3000

• swc.mngr.schema.replication

  TYPE_UINT8_G Save schema & schemas-store under this number of replications (fs-dependent)
  default swc.mngr.schema.replication=3

• swc.mngr.schemas.store.from.capacity

  TYPE_UINT64_G Use Schemas-Store from this number of schemas. The Schemas-Store dump will be used at schemas capacity reach for fast-load. The schemas will be dumped/saved to Schemas-Store only at gracefull manager-shutdown, after load or on failure the Schema-Store file is removed (the file exists as a hint directive).
  default swc.mngr.schemas.store.from.capacity=1000

• swc.mngr.schemas.store.block.size

  TYPE_INT32_G The Block-size of Schemas-Store in bytes
  default swc.mngr.schemas.store.block.size=32000000

• swc.mngr.schemas.store.block.encoder

  TYPE_ENUM_G The Schemas-Store Block encoder, options PLAIN/ZSTD/SNAPPY/ZLIB
  default swc.mngr.schemas.store.block.encoder=ZSTD

• swc.mngr.rangers.resource.interval.check

  TYPE_INT32_G The Rangers Resources check interval in milliseconds
  default swc.mngr.rangers.resource.interval.check=120000

• swc.mngr.rangers.range.rebalance.max

  TYPE_UINT8_G The Max Ranges to allow for rebalance at once on a Rangers Resources update, Zero is rebalance=Off.
  default swc.mngr.rangers.range.rebalance.max=1

extended/updated/version information available with ‘–help' and ‘–help-config' arg

./swcdbManager --help;

./swcdbManager --help-config;