Cassandra fields

Cassandra v4/3 specific event fields.

no_request: type: alias

alias to: cassandra.no_request

cassandra

Information about the Cassandra request and response.

cassandra.no_request: Indicates that there is no request because this is a PUSH message.

type: boolean

request

Cassandra request.

headers

Cassandra request headers.

cassandra.request.headers.version: The version of the protocol.

type: long

cassandra.request.headers.flags: Flags applying to this frame.

type: keyword

cassandra.request.headers.stream: A frame has a stream id. If a client sends a request message with the stream id X, it is guaranteed that the stream id of the response to that message will be X.

type: keyword

cassandra.request.headers.op: An operation type that distinguishes the actual message.

type: keyword

cassandra.request.headers.length: A integer representing the length of the body of the frame (a frame is limited to 256MB in length).

type: long

cassandra.request.query: The CQL query which client send to cassandra.

type: keyword

response

Cassandra response.

headers

Cassandra response headers, the structure is as same as request’s header.

cassandra.response.headers.version: The version of the protocol.

type: long

cassandra.response.headers.flags: Flags applying to this frame.

type: keyword

cassandra.response.headers.stream: A frame has a stream id. If a client sends a request message with the stream id X, it is guaranteed that the stream id of the response to that message will be X.

type: keyword

cassandra.response.headers.op: An operation type that distinguishes the actual message.

type: keyword

cassandra.response.headers.length: A integer representing the length of the body of the frame (a frame is limited to 256MB in length).

type: long

result

Details about the returned result.

cassandra.response.result.type: Cassandra result type.

type: keyword

rows

Details about the rows.

cassandra.response.result.rows.num_rows: Representing the number of rows present in this result.

type: long

schema_change

The result to a schema_change message.

cassandra.response.result.schema_change.change: Representing the type of changed involved.

type: keyword

cassandra.response.result.schema_change.keyspace: This describes which keyspace has changed.

type: keyword

cassandra.response.result.schema_change.table: This describes which table has changed.

type: keyword

cassandra.response.result.schema_change.object: This describes the name of said affected object (either the table, user type, function, or aggregate name).

type: keyword

cassandra.response.result.schema_change.target: Target could be "FUNCTION" or "AGGREGATE", multiple arguments.

type: keyword

cassandra.response.result.schema_change.name: The function/aggregate name.

type: keyword

cassandra.response.result.schema_change.args: One string for each argument type (as CQL type).

type: keyword

prepared

The result to a PREPARE message.

cassandra.response.result.prepared.prepared_id: Representing the prepared query ID.

type: keyword

req_meta

This describes the request metadata.

cassandra.response.result.prepared.req_meta.keyspace: Only present after set Global_tables_spec, the keyspace name.

type: keyword

cassandra.response.result.prepared.req_meta.table: Only present after set Global_tables_spec, the table name.

type: keyword

cassandra.response.result.prepared.req_meta.flags: Provides information on the formatting of the remaining information.

type: keyword

cassandra.response.result.prepared.req_meta.col_count: Representing the number of columns selected by the query that produced this result.

type: long

cassandra.response.result.prepared.req_meta.pkey_columns: Representing the PK columns index and counts.

type: long

cassandra.response.result.prepared.req_meta.paging_state: The paging_state is a bytes value that should be used in QUERY/EXECUTE to continue paging and retrieve the remainder of the result for this query.

type: keyword

resp_meta

This describes the metadata for the result set.

cassandra.response.result.prepared.resp_meta.keyspace: Only present after set Global_tables_spec, the keyspace name.

type: keyword

cassandra.response.result.prepared.resp_meta.table: Only present after set Global_tables_spec, the table name.

type: keyword

cassandra.response.result.prepared.resp_meta.flags: Provides information on the formatting of the remaining information.

type: keyword

cassandra.response.result.prepared.resp_meta.col_count: Representing the number of columns selected by the query that produced this result.

type: long

cassandra.response.result.prepared.resp_meta.pkey_columns: Representing the PK columns index and counts.

type: long

cassandra.response.result.prepared.resp_meta.paging_state: The paging_state is a bytes value that should be used in QUERY/EXECUTE to continue paging and retrieve the remainder of the result for this query.

type: keyword

cassandra.response.supported: Indicates which startup options are supported by the server. This message comes as a response to an OPTIONS message.

type: object

authentication

Indicates that the server requires authentication, and which authentication mechanism to use.

cassandra.response.authentication.class: Indicates the full class name of the IAuthenticator in use

type: keyword

cassandra.response.warnings: The text of the warnings, only occur when Warning flag was set.

type: keyword

event

Event pushed by the server. A client will only receive events for the types it has REGISTERed to.

cassandra.response.event.type: Representing the event type.

type: keyword

cassandra.response.event.change: The message corresponding respectively to the type of change followed by the address of the new/removed node.

type: keyword

cassandra.response.event.host: Representing the node ip.

type: keyword

cassandra.response.event.port: Representing the node port.

type: long

schema_change

The events details related to schema change.

cassandra.response.event.schema_change.change: Representing the type of changed involved.

type: keyword

cassandra.response.event.schema_change.keyspace: This describes which keyspace has changed.

type: keyword

cassandra.response.event.schema_change.table: This describes which table has changed.

type: keyword

cassandra.response.event.schema_change.object: This describes the name of said affected object (either the table, user type, function, or aggregate name).

type: keyword

cassandra.response.event.schema_change.target: Target could be "FUNCTION" or "AGGREGATE", multiple arguments.

type: keyword

cassandra.response.event.schema_change.name: The function/aggregate name.

type: keyword

cassandra.response.event.schema_change.args: One string for each argument type (as CQL type).

type: keyword

error

Indicates an error processing a request. The body of the message will be an error code followed by a error message. Then, depending on the exception, more content may follow.

cassandra.response.error.code: The error code of the Cassandra response.

type: long

cassandra.response.error.msg: The error message of the Cassandra response.

type: keyword

cassandra.response.error.type: The error type of the Cassandra response.

type: keyword

details

The details of the error.

cassandra.response.error.details.read_consistency: Representing the consistency level of the query that triggered the exception.

type: keyword

cassandra.response.error.details.required: Representing the number of nodes that should be alive to respect consistency level.

type: long

cassandra.response.error.details.alive: Representing the number of replicas that were known to be alive when the request had been processed (since an unavailable exception has been triggered).

type: long

cassandra.response.error.details.received: Representing the number of nodes having acknowledged the request.

type: long

cassandra.response.error.details.blockfor: Representing the number of replicas whose acknowledgement is required to achieve consistency level.

type: long

cassandra.response.error.details.write_type: Describe the type of the write that timed out.

type: keyword

cassandra.response.error.details.data_present: It means the replica that was asked for data had responded.

type: boolean

cassandra.response.error.details.keyspace: The keyspace of the failed function.

type: keyword

cassandra.response.error.details.table: The keyspace of the failed function.

type: keyword

cassandra.response.error.details.stmt_id: Representing the unknown ID.

type: keyword

cassandra.response.error.details.num_failures: Representing the number of nodes that experience a failure while executing the request.

type: keyword

cassandra.response.error.details.function: The name of the failed function.

type: keyword

cassandra.response.error.details.arg_types: One string for each argument type (as CQL type) of the failed function.

type: keyword