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memcached

Default Metrics

The following metrics are emitted by default. Each of them can be disabled by applying the following configuration:

metrics:
  <metric_name>:
    enabled: false

memcached.bytes

Current number of bytes used by this server to store items.

Unit Metric Type Value Type
By Gauge Int

memcached.commands

Commands executed.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{commands} Sum Int Cumulative true

Attributes

Name Description Values
command The type of command. Str: get, set, flush, touch

memcached.connections.current

The current number of open connections.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{connections} Sum Int Cumulative false

memcached.connections.total

Total number of connections opened since the server started running.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{connections} Sum Int Cumulative true

memcached.cpu.usage

Accumulated user and system time.

Unit Metric Type Value Type Aggregation Temporality Monotonic
s Sum Double Cumulative true

Attributes

Name Description Values
state The type of CPU usage. Str: system, user

memcached.current_items

Number of items currently stored in the cache.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{items} Sum Int Cumulative false

memcached.evictions

Cache item evictions.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{evictions} Sum Int Cumulative true

memcached.network

Bytes transferred over the network.

Unit Metric Type Value Type Aggregation Temporality Monotonic
by Sum Int Cumulative true

Attributes

Name Description Values
direction Direction of data flow. Str: sent, received

memcached.operation_hit_ratio

Hit ratio for operations, expressed as a percentage value between 0.0 and 100.0.

Unit Metric Type Value Type
% Gauge Double

Attributes

Name Description Values
operation The type of operation. Str: increment, decrement, get

memcached.operations

Operation counts.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{operations} Sum Int Cumulative true

Attributes

Name Description Values
type Result of cache request. Str: hit, miss
operation The type of operation. Str: increment, decrement, get

memcached.threads

Number of threads used by the memcached instance.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{threads} Sum Int Cumulative false