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Class AlterTierRequest.Options

java.lang.Object
com.gpudb.protocol.AlterTierRequest.Options
Enclosing class:

public static final class AlterTierRequest.Options extends Object
A set of string constants for the AlterTierRequest parameter options.

Optional parameters.

  • Field Details

    • CAPACITY

      public static final String CAPACITY
      Maximum size in bytes this tier may hold at once, per rank.
    • HIGH_WATERMARK

      public static final String HIGH_WATERMARK
      Threshold of usage of this tier’s resource that once exceeded, will trigger watermark-based eviction from this tier. The minimum allowed value is ‘0’. The maximum allowed value is ‘100’.
    • LOW_WATERMARK

      public static final String LOW_WATERMARK
      Threshold of resource usage that once fallen below after crossing the HIGH_WATERMARK, will cease watermark-based eviction from this tier. The minimum allowed value is ‘0’. The maximum allowed value is ‘100’.
    • WAIT_TIMEOUT

      public static final String WAIT_TIMEOUT
      Timeout in seconds for reading from or writing to this resource. Applies to cold storage tiers only.
    • PERSIST

      public static final String PERSIST
      If TRUE the system configuration will be written to disk upon successful application of this request. This will commit the changes from this request and any additional in-memory modifications. Supported values:The default value is TRUE.
    • TRUE

      public static final String TRUE
    • FALSE

      public static final String FALSE
    • RANK

      public static final String RANK
      Apply the requested change only to a specific rank. The minimum allowed value is ‘0’. The maximum allowed value is ‘10000’.