Cassandra storage

The cassandra-app-storage module is used by AFS to define some properties of the access to the Cassandra database.

Required properties

No property is required, all are optional.

Optional properties

flush-maximum-change
The flush-maximum-change property is a required property that defines buffer maximum change. The default value of this property is 1000.

flush-maximum-size
The flush-maximum-size property is a required property that defines buffer maximum size. The default value of this property is 2^20.

double-query-partition-size
The double-query-partition-size property is an optional property that defines the maximum number of DoubleTimeSeries queried at once. The default value of this property is 1000.

string-query-partition-size
The string-query-partition-size property is an optional property that defines the maximum number of StringTimeSeries queried at once. The default value of this property is 1000.

binary-data-chunk-size
The binary-data-chunk-size property is an optional property that defines the buffer capacity in bytes. The default value of this property is 2^20.

Examples

YAML configuration:

cassandra-app-storage:
  flush-maximum-change: 100
  double-query-partition-size: 100
  string-query-partition-size: 100