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Memcache Fields

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Memcache Fields

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Memcached-specific event fields

memcache.protocol_type

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type: keyword

The memcache protocol implementation. The value can be "binary" for binary-based, "text" for text-based, or "unknown" for an unknown memcache protocol type.

memcache.request.line

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type: keyword

The raw command line for unknown commands ONLY.

memcache.request.command

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type: keyword

The memcache command being requested in the memcache text protocol. For example "set" or "get". The binary protocol opcodes are translated into memcache text protocol commands.

memcache.response.command

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type: keyword

Either the text based protocol response message type or the name of the originating request if binary protocol is used.

memcache.request.type

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type: keyword

The memcache command classification. This value can be "UNKNOWN", "Load", "Store", "Delete", "Counter", "Info", "SlabCtrl", "LRUCrawler", "Stats", "Success", "Fail", or "Auth".

memcache.response.type

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type: keyword

The memcache command classification. This value can be "UNKNOWN", "Load", "Store", "Delete", "Counter", "Info", "SlabCtrl", "LRUCrawler", "Stats", "Success", "Fail", or "Auth". The text based protocol will employ any of these, whereas the binary based protocol will mirror the request commands only (see memcache.response.status for binary protocol).

memcache.response.error_msg

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type: keyword

The optional error message in the memcache response (text based protocol only).

memcache.request.opcode

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type: keyword

The binary protocol message opcode name.

memcache.response.opcode

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type: keyword

The binary protocol message opcode name.

memcache.request.opcode_value

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type: long

The binary protocol message opcode value.

memcache.response.opcode_value

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type: long

The binary protocol message opcode value.

memcache.request.opaque

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type: long

The binary protocol opaque header value used for correlating request with response messages.

memcache.response.opaque

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type: long

The binary protocol opaque header value used for correlating request with response messages.

memcache.request.vbucket

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type: long

The vbucket index sent in the binary message.

memcache.response.status

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type: keyword

The textual representation of the response error code (binary protocol only).

memcache.response.status_code

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type: long

The status code value returned in the response (binary protocol only).

memcache.request.keys

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type: list

The list of keys sent in the store or load commands.

memcache.response.keys

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type: list

The list of keys returned for the load command (if present).

memcache.request.count_values

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type: long

The number of values found in the memcache request message. If the command does not send any data, this field is missing.

memcache.response.count_values

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type: long

The number of values found in the memcache response message. If the command does not send any data, this field is missing.

memcache.request.values

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type: list

The list of base64 encoded values sent with the request (if present).

memcache.response.values

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type: list

The list of base64 encoded values sent with the response (if present).

memcache.request.bytes

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type: long

format: bytes

The byte count of the values being transferred.

memcache.response.bytes

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type: long

format: bytes

The byte count of the values being transferred.

memcache.request.delta

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type: long

The counter increment/decrement delta value.

memcache.request.initial

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type: long

The counter increment/decrement initial value parameter (binary protocol only).

memcache.request.verbosity

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type: long

The value of the memcache "verbosity" command.

memcache.request.raw_args

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type: keyword

The text protocol raw arguments for the "stats …" and "lru crawl …" commands.

memcache.request.source_class

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type: long

The source class id in slab reassign command.

memcache.request.dest_class

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type: long

The destination class id in slab reassign command.

memcache.request.automove

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type: keyword

The automove mode in the slab automove command expressed as a string. This value can be "standby"(=0), "slow"(=1), "aggressive"(=2), or the raw value if the value is unknown.

memcache.request.flags

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type: long

The memcache command flags sent in the request (if present).

memcache.response.flags

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type: long

The memcache message flags sent in the response (if present).

memcache.request.exptime

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type: long

The data expiry time in seconds sent with the memcache command (if present). If the value is <30 days, the expiry time is relative to "now", or else it is an absolute Unix time in seconds (32-bit).