| title | Cassandra |
|---|
This section defines attributes for Cassandra.
Attributes:
| Key | Stability | Value Type | Description | Example Values |
|---|---|---|---|---|
cassandra.consistency.level |
 |
string | The consistency level of the query. Based on consistency values from CQL. | all; each_quorum; quorum |
cassandra.coordinator.dc |
|
string | The data center of the coordinating node for a query. | us-west-2 |
cassandra.coordinator.id |
|
string | The ID of the coordinating node for a query. | be13faa2-8574-4d71-926d-27f16cf8a7af |
cassandra.page.size |
|
int | The fetch size used for paging, i.e. how many rows will be returned at once. | 5000 |
cassandra.query.idempotent |
|
boolean | Whether or not the query is idempotent. | |
cassandra.speculative_execution.count |
|
int | The number of times a query was speculatively executed. Not set or 0 if the query was not executed speculatively. |
0; 2 |
cassandra.consistency.level has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
| Value | Description | Stability |
|---|---|---|
all |
All | |
any |
Any | |
each_quorum |
Each Quorum | |
local_one |
Local One | |
local_quorum |
Local Quorum | |
local_serial |
Local Serial | |
one |
One | |
quorum |
Quorum | |
serial |
Serial | |
three |
Three | |
two |
Two | |