NOTE: You are looking at documentation for an older release. For the latest information, see the current release documentation.
Cassandra fields
editCassandra fields
editCassandra v4/3 specific event fields.
cassandra fields
editInformation about the Cassandra request and response.
request fields
editCassandra request.
headers fields
editCassandra request headers.
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cassandra.request.headers.version
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type: long
The version of the protocol.
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cassandra.request.headers.flags
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type: keyword
Flags applying to this frame.
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cassandra.request.headers.stream
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type: keyword
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.
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cassandra.request.headers.op
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type: keyword
An operation type that distinguishes the actual message.
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cassandra.request.headers.length
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type: long
A integer representing the length of the body of the frame (a frame is limited to 256MB in length).
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cassandra.request.query
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type: keyword
The CQL query which client send to cassandra.
response fields
editCassandra response.
headers fields
editCassandra response headers, the structure is as same as request’s header.
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cassandra.response.headers.version
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type: long
The version of the protocol.
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cassandra.response.headers.flags
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type: keyword
Flags applying to this frame.
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cassandra.response.headers.stream
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type: keyword
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.
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cassandra.response.headers.op
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type: keyword
An operation type that distinguishes the actual message.
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cassandra.response.headers.length
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type: long
A integer representing the length of the body of the frame (a frame is limited to 256MB in length).
result fields
editDetails about the returned result.
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cassandra.response.result.type
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type: keyword
Cassandra result type.
rows fields
editDetails about the rows.
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cassandra.response.result.rows.num_rows
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type: long
Representing the number of rows present in this result.
meta fields
editComposed of result metadata.
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cassandra.response.result.rows.meta.keyspace
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type: keyword
Only present after set Global_tables_spec, the keyspace name.
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cassandra.response.result.rows.meta.table
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type: keyword
Only present after set Global_tables_spec, the table name.
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cassandra.response.result.rows.meta.flags
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type: keyword
Provides information on the formatting of the remaining information.
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cassandra.response.result.rows.meta.col_count
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type: long
Representing the number of columns selected by the query that produced this result.
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cassandra.response.result.rows.meta.pkey_columns
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type: long
Representing the PK columns index and counts.
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cassandra.response.result.rows.meta.paging_state
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type: keyword
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.
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cassandra.response.result.keyspace
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type: keyword
Indicating the name of the keyspace that has been set.
schema_change fields
editThe result to a schema_change message.
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cassandra.response.result.schema_change.change
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type: keyword
Representing the type of changed involved.
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cassandra.response.result.schema_change.keyspace
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type: keyword
This describes which keyspace has changed.
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cassandra.response.result.schema_change.table
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type: keyword
This describes which table has changed.
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cassandra.response.result.schema_change.object
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type: keyword
This describes the name of said affected object (either the table, user type, function, or aggregate name).
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cassandra.response.result.schema_change.target
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type: keyword
Target could be "FUNCTION" or "AGGREGATE", multiple arguments.
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cassandra.response.result.schema_change.name
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type: keyword
The function/aggregate name.
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cassandra.response.result.schema_change.args
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type: keyword
One string for each argument type (as CQL type).
prepared fields
editThe result to a PREPARE message.
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cassandra.response.result.prepared.prepared_id
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type: keyword
Representing the prepared query ID.
req_meta fields
editThis describes the request metadata.
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cassandra.response.result.prepared.req_meta.keyspace
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type: keyword
Only present after set Global_tables_spec, the keyspace name.
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cassandra.response.result.prepared.req_meta.table
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type: keyword
Only present after set Global_tables_spec, the table name.
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cassandra.response.result.prepared.req_meta.flags
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type: keyword
Provides information on the formatting of the remaining information.
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cassandra.response.result.prepared.req_meta.col_count
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type: long
Representing the number of columns selected by the query that produced this result.
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cassandra.response.result.prepared.req_meta.pkey_columns
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type: long
Representing the PK columns index and counts.
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cassandra.response.result.prepared.req_meta.paging_state
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type: keyword
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.
resp_meta fields
editThis describes the metadata for the result set.
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cassandra.response.result.prepared.resp_meta.keyspace
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type: keyword
Only present after set Global_tables_spec, the keyspace name.
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cassandra.response.result.prepared.resp_meta.table
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type: keyword
Only present after set Global_tables_spec, the table name.
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cassandra.response.result.prepared.resp_meta.flags
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type: keyword
Provides information on the formatting of the remaining information.
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cassandra.response.result.prepared.resp_meta.col_count
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type: long
Representing the number of columns selected by the query that produced this result.
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cassandra.response.result.prepared.resp_meta.pkey_columns
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type: long
Representing the PK columns index and counts.
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cassandra.response.result.prepared.resp_meta.paging_state
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type: keyword
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.
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cassandra.response.supported
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type: object
Indicates which startup options are supported by the server. This message comes as a response to an OPTIONS message.
authentication fields
editIndicates that the server requires authentication, and which authentication mechanism to use.
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cassandra.response.authentication.class
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type: keyword
Indicates the full class name of the IAuthenticator in use
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cassandra.response.warnings
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type: keyword
The text of the warnings, only occur when Warning flag was set.
event fields
editEvent pushed by the server. A client will only receive events for the types it has REGISTERed to.
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cassandra.response.event.type
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type: keyword
Representing the event type.
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cassandra.response.event.change
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type: keyword
The message corresponding respectively to the type of change followed by the address of the new/removed node.
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cassandra.response.event.host
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type: keyword
Representing the node ip.
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cassandra.response.event.port
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type: long
Representing the node port.
schema_change fields
editThe events details related to schema change.
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cassandra.response.event.schema_change.change
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type: keyword
Representing the type of changed involved.
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cassandra.response.event.schema_change.keyspace
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type: keyword
This describes which keyspace has changed.
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cassandra.response.event.schema_change.table
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type: keyword
This describes which table has changed.
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cassandra.response.event.schema_change.object
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type: keyword
This describes the name of said affected object (either the table, user type, function, or aggregate name).
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cassandra.response.event.schema_change.target
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type: keyword
Target could be "FUNCTION" or "AGGREGATE", multiple arguments.
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cassandra.response.event.schema_change.name
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type: keyword
The function/aggregate name.
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cassandra.response.event.schema_change.args
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type: keyword
One string for each argument type (as CQL type).
error fields
editIndicates 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.
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cassandra.response.error.code
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type: long
The error code of the Cassandra response.
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cassandra.response.error.msg
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type: keyword
The error message of the Cassandra response.
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cassandra.response.error.type
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type: keyword
The error type of the Cassandra response.
details fields
editThe details of the error.
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cassandra.response.error.details.read_consistency
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type: keyword
Representing the consistency level of the query that triggered the exception.
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cassandra.response.error.details.required
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type: long
Representing the number of nodes that should be alive to respect consistency level.
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cassandra.response.error.details.alive
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type: long
Representing the number of replicas that were known to be alive when the request had been processed (since an unavailable exception has been triggered).
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cassandra.response.error.details.received
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type: long
Representing the number of nodes having acknowledged the request.
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cassandra.response.error.details.blockfor
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type: long
Representing the number of replicas whose acknowledgement is required to achieve consistency level.
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cassandra.response.error.details.write_type
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type: keyword
Describe the type of the write that timed out.
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cassandra.response.error.details.data_present
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type: boolean
It means the replica that was asked for data had responded.
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cassandra.response.error.details.keyspace
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type: keyword
The keyspace of the failed function.
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cassandra.response.error.details.table
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type: keyword
The keyspace of the failed function.
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cassandra.response.error.details.stmt_id
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type: keyword
Representing the unknown ID.
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cassandra.response.error.details.num_failures
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type: keyword
Representing the number of nodes that experience a failure while executing the request.
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cassandra.response.error.details.function
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type: keyword
The name of the failed function.
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cassandra.response.error.details.arg_types
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type: keyword
One string for each argument type (as CQL type) of the failed function.