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Cassandra fields

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Cassandra fields

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Cassandra v4/3 specific event fields.

no_request

type: alias

alias to: cassandra.no_request

cassandra

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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

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Cassandra request.

headers

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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

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Cassandra response.

headers

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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

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Details about the returned result.

cassandra.response.result.type

Cassandra result type.

type: keyword

rows

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Details about the rows.

cassandra.response.result.rows.num_rows

Representing the number of rows present in this result.

type: long

schema_change

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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

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The result to a PREPARE message.

cassandra.response.result.prepared.prepared_id

Representing the prepared query ID.

type: keyword

req_meta

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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

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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

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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

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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

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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

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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

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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

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