​

Method Details

• ​

  getClassSchema

  public static org.apache.avro.Schema getClassSchema()

  This method supports the Avro framework and is not intended to be called directly by the user.

  Returns:

  The schema for the class.

• ​

  getName

  public String getName()

  Name of the tier to be altered. Must be an existing tier group name: vram, ram, disk[n], persist, cold[n].

  Returns:

  The current value of name.

• ​

  setName

  public AlterTierRequest setName(String name)

  Name of the tier to be altered. Must be an existing tier group name: vram, ram, disk[n], persist, cold[n].

  Parameters:

  name - The new value for name.

  Returns:

  this to mimic the builder pattern.

• ​

  getOptions

  public Map<String,String> getOptions()

  Optional parameters.

  • CAPACITY: Maximum size in bytes this tier may hold at once, per rank.
  • 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: 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: Timeout in seconds for reading from or writing to this resource. Applies to cold storage tiers only.
  • 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:
    • TRUE
    • FALSE
    The default value is TRUE.
  • RANK: Apply the requested change only to a specific rank. The minimum allowed value is ‘0’. The maximum allowed value is ‘10000’.

  The default value is an empty Map.

  Returns:

  The current value of options.

• ​

  setOptions

  public AlterTierRequest setOptions(Map<String,String> options)

  Optional parameters.

  • CAPACITY: Maximum size in bytes this tier may hold at once, per rank.
  • 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: 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: Timeout in seconds for reading from or writing to this resource. Applies to cold storage tiers only.
  • 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:
    • TRUE
    • FALSE
    The default value is TRUE.
  • RANK: Apply the requested change only to a specific rank. The minimum allowed value is ‘0’. The maximum allowed value is ‘10000’.

  The default value is an empty Map.

  Parameters:

  options - The new value for options.

  Returns:

  this to mimic the builder pattern.

• ​

  getSchema

  public org.apache.avro.Schema getSchema()

  This method supports the Avro framework and is not intended to be called directly by the user.

  Specified by:

  getSchema in interface org.apache.avro.generic.GenericContainer

  Returns:

  The schema object describing this class.

• ​

  get

  public Object get(int index)

  This method supports the Avro framework and is not intended to be called directly by the user.

  Specified by:

  get in interface org.apache.avro.generic.IndexedRecord

  Parameters:

  index - the position of the field to get

  Returns:

  value of the field with the given index.

  Throws:

  IndexOutOfBoundsException

• ​

  put

  public void put(int index, Object value)

  This method supports the Avro framework and is not intended to be called directly by the user.

  Specified by:

  put in interface org.apache.avro.generic.IndexedRecord

  Parameters:

  index - the position of the field to set

  value - the value to set

  Throws:

  IndexOutOfBoundsException

• ​

  equals

  public boolean equals(Object obj)

  Overrides:

  equals in class Object

• ​

  toString

  public String toString()

  Overrides:

  toString in class Object

• ​

  hashCode

  public int hashCode()

  Overrides:

  hashCode in class Object