UA plug-in for Redis metrics

The metrics for UA plug-in for Redis resource types collect data for monitoring with IBM Cloud Pak for Multicloud Management. Every UA plug-in for Redis resource type defines a set of dimensions and metrics. The descriptions provide such information as data type, dimension key, and metric unit.

Resource Redis Server

Redis Server.

The following section lists the metrics, dimensions and components of Resource Redis Server.

Metrics

It lists the description, type and unit information of the metrics available for the resource.

Accepted Partial Sync Requests

• The number of accepted partial resync requests.
• The type is int.
• The unit is count.

Active defragmentation Hits

• Number of value reallocations performed by active the defragmentation process.
• The type is int.
• The unit is times.

Active defragmentation Key Misses

• Number of keys that were skipped by the active defragmentation process.
• The type is int.
• The unit is count.

Active Defragmentation Running

• Flag indicating if active defragmentation is active.
• The type is int.
• The unit is count.

Active defragmented Key

• Number of keys that were actively defragmented.
• The type is int.
• The unit is count.

Active Defragmentation Misses

• Number of aborted value reallocations started by the active defragmentation process.
• The type is int.
• The unit is times.

AOF current Rewrite Time (sec)

• Duration of the on-going AOF rewrite operation if any.
• The type is int.
• The unit is count.

AOF Enabled

• Flag indicating AOF logging is activated.
• The type is int.
• The unit is times.

AOF Last cow Size

• The size in bytes of copy-on-write allocations during the last AOF rewrite operation.
• The type is int.
• The unit is count.

AOF Rewrite in Progress

• Flag indicating a AOF rewrite operation is on-going.
• The type is int.
• The unit is count.

AOF Rewrite Scheduled

• Flag indicating an AOF rewrite operation will be scheduled once the on-going RDB save is complete.
• The type is int.
• The unit is times.

Average Time to Life

• The average time to life of keys with an expiration set.
• The type is int.
• The unit is times.

Blocked Client

• Number of clients pending on a blocking call (BLPOP, BRPOP, BRPOPLPUSH).
• The type is int.
• The unit is count.

Client Biggest Input Buffer

• The biggest input buffer among current client connections.
• The type is int.
• The unit is count.

Client Longest Output List

• The longest output list among current client connections.
• The type is int.
• The unit is times.

Clients

• Client connections section.
• The type is int.
• The unit is count.

Cluster Enabled

• Indicate Redis cluster is enabled.
• The type is int.
• The unit is count.

Connected Slaves

• Number of connected slaves.
• The type is int.
• The unit is times.

Current RDB Save Operation Time (sec)

• Duration of the on-going RDB save operation if any.
• The type is int.
• The unit is count.

Denied Partial Sync Requests

• The number of denied partial resync requests.
• The type is int.
• The unit is count.

Evicted Keys

• Number of evicted keys due to maxmemory limit.
• The type is int.
• The unit is count.

Expired Keys

• Total number of key expiration events.
• The type is int.
• The unit is count.

Expires

• The number of keys with an expiration.
• The type is int.
• The unit is count.

Full Resyncs

• The number of full resyncs with slaves.
• The type is int.
• The unit is count.

Instantaneous Input (kb/sec)

• The network's read rate per second in KB/sec.
• The type is int.
• The unit is count.

Instantaneous Output (kb/sec)

• The network's write rate per second in KB/sec.
• The type is int.
• The unit is count.

Keys

• The number of keys.
• The type is int.
• The unit is count.

Keyspace Hitrate

• Keyspace Hitrate.
• The type is int.
• The unit is times.

Keyspace Hits

• Number of successful lookup of keys in the main dictionary.
• The type is int.
• The unit is count.

Keyspace Misses

• Number of failed lookup of keys in the main dictionary.
• The type is int.
• The unit is count.

Last AOF Rewrite Status

• Status of the last AOF rewrite operation.
• The type is int.
• The unit is count.

Last AOF Rewrite Time (sec)

• Duration of the last AOF rewrite operation in seconds.
• The type is int.
• The unit is times.

Last AOF Write Status

• Status of the last write operation to the AOF.
• The type is int.
• The unit is count.

Last RDB cow Size

• The size in bytes of copy-on-write allocations during the last RBD save operation.
• The type is int.
• The unit is count.

Last RDB Save Elapsed Time

• The time of last RDB save operation elapsed.
• The type is int.
• The unit is times.

Last RDB Save Status

• Status of the last RDB save operation.
• The type is int.
• The unit is count.

Last RDB Save Time

• Epoch-based timestamp of last successful RDB save.
• The type is int.
• The unit is count.

Last RDB Save Time (sec)

• Duration of the last RDB save operation in seconds.
• The type is int.
• The unit is times.

Latest Fork (microsecond)

• Duration of the latest fork operation in microseconds.
• The type is int.
• The unit is times.

Lazyfree Pending Objects

• The number of objects waiting to be freed (as a result of calling UNLINK, or FLUSHDB and FLUSHALL with the ASYNC option).
• The type is int.
• The unit is count.

Loading

• Flag indicating if the load of a dump file is on-going.
• The type is int.
• The unit is count.

lru_clock

• Clock incrementing every minute, for LRU management.
• The type is int.
• The unit is times.

Master replication Offset

• The server's current replication offset.
• The type is int.
• The unit is count.

Master Replication ID

• The repliation ID of the Redis server's master, if it is enslaved.
• The type is int.
• The unit is count.

Maxmemory

• The value of the maxmemory configuration directive.
• The type is int.
• The unit is times.

Memory Fragmentation Ratio

• Ratio between used_memory_rss and used_memory.
• The type is int.
• The unit is count.

Migrate Cached Sockets

• The number of sockets open for MIGRATE purposes.
• The type is int.
• The unit is count.

Number of commands processed per second

• Number of commands processed per second.
• The type is int.
• The unit is times.

Pub/Sub Channels

• Global number of pub/sub channels with client subscriptions.
• The type is int.
• The unit is times.

Pub/Sub Patterns

• Global number of pub/sub pattern with client subscriptions.
• The type is int.
• The unit is count.

RDB Changes since Last Save

• Number of changes since the last dump.
• The type is int.
• The unit is times.

RDB Save in Progress

• Flag indicating a RDB save is on-going.
• The type is int.
• The unit is count.

Redis Version

• Version of the Redis server.
• The type is int.
• The unit is count.

Rejected Connections

• Number of connections rejected because of maxclients limit.
• The type is int.
• The unit is count.

Replication Backlog Active

• Flag indicating replication backlog is active.
• The type is int.
• The unit is times.

Replication Backlog Size

• Total size in bytes of the replication backlog buffer.
• The type is int.
• The unit is times.

Replication Backlog Size (byte)

• Size in bytes of the data in the replication backlog buffer.
• The type is int.
• The unit is count.

Second Replication ID Offset

• The offset up to which replication IDs are accepted.
• The type is int.
• The unit is count.

Slave Expires Tracked Keys

• The number of keys tracked for expiry purposes (applicable only to writable slaves).
• The type is int.
• The unit is count.

The master offset of the replication backlog buffer

• The master offset of the replication backlog buffer.
• The type is int.
• The unit is count.

Total Commands Processed

• Total number of commands processed by the server.
• The type is int.
• The unit is count.

Total Connections Received

• Total number of connections accepted by the server.
• The type is int.
• The unit is count.

Total Net Input (Bytes)

• The total number of bytes read from the network.
• The type is int.
• The unit is count.

Total Net Output (byte)

• The total number of bytes written to the network.
• The type is int.
• The unit is count.

Total System Memory

• The total amount of memory that the Redis host has.
• The type is int.
• The unit is count.

Uptime

• Number of seconds since Redis server start.
• The type is int.
• The unit is count.

Used Memory

• Total number of bytes allocated by Redis using its allocator (either standard libc, jemalloc, or an alternative allocator such as tcmalloc).
• The type is int.
• The unit is count.

Used Memory at Startup (byte)

• Initial amount of memory consumed by Redis at startup in bytes.
• The type is int.
• The unit is count.

Used Memory by Lua (byte)

• Number of bytes used by the Lua engine.
• The type is int.
• The unit is count.

Used Memory Dataset

• The size in bytes of the dataset.
• The type is int.
• The unit is count.

Used Memory Dataset (%)

• The percentage of used_memory_dataset out of the net memory usage (used_memory minus used_memory_startup).
• The type is int.
• The unit is count.

Used Memory Overhead

• The sum in bytes of all overheads that the server allocated for managing its internal data structures.
• The type is int.
• The unit is count.

Used Memory Peak

• Peak memory consumed by Redis (in bytes).
• The type is int.
• The unit is count.

Used Memory Peak(%)

• The percentage of used_memory_peak out of used_memory.
• The type is int.
• The unit is count.

Used RSS Memory

• Number of bytes that Redis allocated as seen by the operating system.
• The type is int.
• The unit is count.

Used System CPU

• System CPU consumed by the Redis server.
• The type is int.
• The unit is count.

Used System CPU by the Background Processes

• System CPU consumed by the background processes.
• The type is int.
• The unit is count.

User CPU consumed by the Redis server

• User CPU consumed by the Redis server.
• The type is int.
• The unit is count.

User CPU Used by the Background Processes

• User CPU consumed by the background processes.
• The type is int.
• The unit is count.

Dimensions

It lists the description and type information of the dimensions available for the resource.

Host

• Host.
• The type is string.

Port

• TCP/IP listen port.
• The type is string.

Replication Role

• Master/slave replication information.
• The type is string.

resource ID

• resource ID.
• The type is string.

Server

• General information about the Redis server.
• The type is string.