java.lang.Object
- com.gpudb.protocol.AlterTierRequest.Options

Enclosing class:

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

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`CAPACITY`	Maximum size in bytes this tier may hold at once, per rank.
`static String`	`FALSE`
`static String`	`HIGH_WATERMARK`	Threshold of usage of this tier's resource that once exceeded, will trigger watermark-based eviction from this tier.
`static String`	`LOW_WATERMARK`	Threshold of resource usage that once fallen below after crossing the `HIGH_WATERMARK`, will cease watermark-based eviction from this tier.
`static String`	`PERSIST`	If `TRUE` the system configuration will be written to disk upon successful application of this request.
`static String`	`RANK`	Apply the requested change only to a specific rank.
`static String`	`TRUE`
`static String`	`WAIT_TIMEOUT`	Timeout in seconds for reading from or writing to this resource.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - CAPACITY
```
public static final String CAPACITY
```
    Maximum size in bytes this tier may hold at once, per rank.
    
    See Also:
    
    Constant Field Values
  - 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'.
    
    See Also:
    
    Constant Field Values
  - 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'.
    
    See Also:
    
    Constant Field Values
  - 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.
    
    See Also:
    
    Constant Field Values
  - 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:
    
    TRUE
    FALSE
    The default value is TRUE.
    See Also:
    
    Constant Field Values
  - TRUE
```
public static final String TRUE
```
    See Also:
    
    Constant Field Values
  - FALSE
```
public static final String FALSE
```
    See Also:
    
    Constant Field Values
  - 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'.
    
    See Also:
    
    Constant Field Values

Class AlterTierRequest.Options

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CAPACITY

HIGH_WATERMARK

LOW_WATERMARK

WAIT_TIMEOUT

PERSIST

TRUE

FALSE

RANK