Database operations metrics

Evicted objects/sec

Number of objects evicted from the database per second.

Objects are evicted from the database according to the eviction policy.

Object information is not measured during shard migration.

Components measured: Database and Shard

Expired objects/sec

Number of expired objects per second.

Object information is not measured during shard migration.

Components measured: Database and Shard

Hit ratio

Ratio of the number of operations on existing keys out of the total number of operations.

Components measured: Database and Shard

Read misses/sec

The number of read operations per second on keys that do not exist.

Read misses are not measured during shard migration.

Components measured: Database

Write misses/sec

Number of write operations per second on keys that do not exist.

Write misses are not measured during shard migration.

Components measured: Database and Shard

Latency

The total amount of time between sending a Redis operation and receiving a response from the database.

The graph shows average, minimum, maximum, and last latency values for all latency metrics.

Components measured: Database

Reads latency

Latency of read operations.

Components measured: Database

Writes latency

Latency per write operation.

Components measured: Database

Other commands latency

Latency of other operations.

Components measured: Database

Ops/sec

Number of total operations per second, which includes read operations, write operations, and other operations.

Components measured: Cluster, Node, Database, and Shard

Reads/sec

Number of total read operations per second.

To find out which commands are read operations, run the following command with redis-cli:

ACL CAT read

Components measured: Database

Writes/sec

Number of total write operations per second.

To find out which commands are write operations, run the following command with redis-cli:

ACL CAT write

Components measured: Database

Pending writes min

Minimum number of write operations queued per Active-Active replica database.

Pending writes max

Maximum number of write operations queued per Active-Active replica database.

Other commands/sec

Number of operations per second that are not read operations or write operations.

Examples of other operations include PING, [AUTH](/docs/latest/commands/auth/, and [INFO](/docs/latest/commands/info/

Components measured: Database

Total keys

Total number of keys in the dataset.

Does not include replicated keys, even if replication is enabled.

Total keys is not measured during shard migration.

Components measured: Database

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