Package org.apache.accumulo.core.spi.balancer

Interface TabletBalancer.BalanceParameters

Enclosing interface:
TabletBalancer
public static interface TabletBalancer.BalanceParameters
An interface for grouping parameters required for the balancer to balance tablets. This interface allows for evolution of the parameter set without changing the balancer's method signature.
Since:
2.1.0

  • Method Details

    • currentStatus

      SortedMap<TabletServerId,TServerStatus> currentStatus()
      Returns:
      the current status for all tablet servers (read-only)

    • currentMigrations

      Set<TabletId> currentMigrations()
      Returns:
      the migrations that are currently in progress (read-only)

    • migrationsOut

      List<TabletMigration> migrationsOut()
      Returns:
      a write-only map for storing new assignments made by the balancer. It is important that any tablets found in currentMigrations() are not included in the output migrations.