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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: string

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: string

The raw command line for unknown commands ONLY.

memcache.request.command

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type: string

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: string

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: string

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: string

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: string

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

memcache.request.opcode

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type: string

The binary protocol message opcode name.

memcache.response.opcode

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type: string

The binary protocol message opcode name.

memcache.request.opcode_value

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type: int

The binary protocol message opcode value.

memcache.response.opcode_value

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type: int

The binary protocol message opcode value.

memcache.request.opaque

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type: int

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

memcache.response.opaque

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type: int

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

memcache.request.vbucket

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type: int

The vbucket index sent in the binary message.

memcache.response.status

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type: string

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

memcache.response.status_code

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type: int

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: int

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: int

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: int

The byte count of the values being transfered.

memcache.response.bytes

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type: int

The byte count of the values being transfered.

memcache.request.delta

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type: int

The counter increment/decrement delta value.

memcache.request.initial

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type: int

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

memcache.request.verbosity

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type: int

The value of the memcache "verbosity" command.

memcache.request.raw_args

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type: string

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

memcache.request.source_class

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type: int

The source class id in slab reassign command.

memcache.request.dest_class

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type: int

The destination class id in slab reassign command.

memcache.request.automove

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type: string

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: int

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

memcache.response.flags

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type: int

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

memcache.request.exptime

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type: int

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).