Redis Enterprise - Prometheus

Redis Enterprise - Prometheus

Monitor Redis Enterprise with the official Redis Prometheus exporter.

Extension

Free trial Documentation

Product information
Release notes

Overview

This extensions provides the ability to remotely monitor your Redis Enterprise Clusters, Databases, Nodes, Proxies, Replicas and Shards. Every minute, this extension polls metrics through the official Redis Prometheus exporter to ingest data about how each resource is performing.

This is intended for users, who:

Would like to monitor the health state and performance of their Redis Enterprise resources.
Look for analysis support for Ops, IT and Database admins

This enables you to:

Monitor Redis with a comprehensive dashboard and Dynatrace entities
Detect anomalies and alert on them

Compatibility Requirements:

Redis Enterprise

Use cases

This extension enables insights into the overall health of the Redis cluster and components.

This extension scrapes many of the metrics listed at: Redis Prometheus Metrics

Get started

Simply activate the extension in your environment using the in-product Hub, provide the necessary device configuration and you’re all set up.

Read more in the Dynatrace Prometheus Extension Documentation

Details

This extension uses the Redis Enterprise Prometheus Endpoint to scrape and ingest metrics.

This Redis metrics_exporter component is enabled by default and listens on Port 8070.

In Dynatrace, create a new Monitoring Configuration and select 'Monitor Remotely without OneAgent" near the bottom of the Monitoring Source Screen.

Select the Dynatrace ActiveGate group to run this extension from
Add the Redis Prometheus endpoint e.g. https://redis.cluster:8070. With auth if required.
Add a basic description and select 'Activate'

[Optional] Redis Configuration

The Database name - label "bdb_name" is not enabled by default. Without this, Dynatrace will just use the database ID in dimensions and entity definitions.

To enable it for all databases on a cluster you have to issue the following commands:

ccs-cli hset cluster_settings metrics_exporter_expose_bdb_name enabled
supervisorctl restart metrics_exporter

The new labels will then be added to the Prometheus metrics once this setting is changed and the metrics_exporter process is restarted.

Compatibility information

Redis Enterprise. Open-source Redis does not include the required metrics_exporter.

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Extension content

Content typeNumber of items included

screen layout

3

generic relationship

3

metric metadata

48

screen chart groups

5

generic type

3

screen entities lists

2

dashboards

2

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included

Metric name	Metric key	Description	Unit
Node Available Memory	node_available_memory	Amount of free memory in node (bytes) that is available for database provisioning	Byte
Node Average Latency	node_avg_latency	Average latency of requests handled by endpoints on node (seconds); returned only when there is traffic	Second
Node Client Connections	node_conns	Number of clients connected to endpoints on node	Count
Node Outgoing Traffic	node_egress_bytes	Rate of outgoing network traffic to node (bytes/sec)	BytePerSecond
Node Incoming Traffic	node_ingress_bytes	Rate of incoming network traffic to node (bytes/sec)	BytePerSecond
Node Persistent Storage Available	node_persistent_storage_avail	Disk space available to RLEC processes on configured persistent disk (bytes)	Byte
Node Persistent Storage Free	node_persistent_storage_free	Free disk space on configured persistent disk (bytes)	Byte
Node Provisional Memory	node_provisional_memory	Amount of RAM that is available for provisioning to databases out of the total RAM allocated for databases	Byte
Node Request Rate	node_total_req	Request rate handled by endpoints on node (ops/sec)	PerSecond
Node Up Status	node_up	Node is part of the cluster and is connected	Count

Metric name	Metric key	Description	Unit
Listener AUTH Commands	listener_auth_cmds	Number of memcached AUTH commands sent to the DB	Count
Listener AUTH Errors	listener_auth_errors	Number of error responses to memcached AUTH commands	Count
Endpoint Client Connections	listener_conns	Number of clients connected to the endpoint	Count
Last Command Request Time	listener_last_req_time	Time of last command sent to the DB	Count
Last Command Response Time	listener_last_res_time	Time of last response sent from the DB	Count
Client Connection Rate	listener_total_connections_received	Rate of new client connections to the endpoint (connections/sec)	PerSecond
Endpoint Request Rate	listener_total_req	Request rate handled by the endpoint (ops/sec)	PerSecond
Endpoint Response Rate	listener_total_res	Rate of all responses on the endpoint (ops/sec)	PerSecond
Number of Database Responses	listener_total_started_res	Number of responses sent from the DB of all types	Count
Endpoint Write Response Rate	listener_write_res	Rate of write responses on the endpoint (ops/sec)	PerSecond
Endpoint Write Response Count	listener_write_started_res	Number of responses sent from the DB of type “write”	Count

Metric name	Metric key	Description	Unit
CRDB Incoming Compressed Traffic Rate	bdb_crdt_syncer_ingress_bytes	Rate of compressed incoming network traffic to CRDB (bytes/sec)	BytePerSecond
CRDB Incoming Decompressed Traffic Rate	bdb_crdt_syncer_ingress_bytes_decompressed	Rate of decompressed incoming network traffic to CRDB (bytes/sec)	BytePerSecond
CRDM Traffic Lag Time	bdb_crdt_syncer_local_ingress_lag_time	Lag time between the source and the destination (ms) for CRDB traffic	MilliSecond
CRDB Syncer Status	bdb_crdt_syncer_status	Syncer status for CRDB traffic; 0 = in-sync, 1 = syncing, 2 = out of sync	Count

Metric name	Metric key	Description	Unit
Redis AOF Delayed Fsync	redis_aof_delayed_fsync	Number of times an AOF fsync caused delays in the redis main thread (inducing latency); This can indicate that the disk is slow or overloaded	Count
Redis Blocked Clients	redis_blocked_clients	Count the clients waiting on a blocking call	Count
Redis Connected Clients	redis_connected_clients	Number of client connections to the specific shard	Count
Redis Up Status	redis_up	Shard is up and running	Count
Redis Total Commands Processed	redis_total_commands_processed	Number of commands processed by the shard; Calculate the number of commands for a time period by comparing the value at different times	Count
Redis Volatile Keys Average TTL	redis_db0_avg_ttl	Average TTL of all volatile keys	MilliSecond
Redis Total Commands Received	redis_total_connections_received	Number of connections received by the shard; Calculate the number of connections for a time period by comparing the value at different times	Count
Redis Used Memory	redis_used_memory	Memory used by shard (in bigredis this includes flash) (bytes)	Byte

Metric name	Metric key	Description	Unit
DB Read Latency Max	bdb_avg_read_latency_max	Highest value of average latency of read operations (seconds); returned only when there is traffic	Second
DB Write Latency Max	bdb_avg_write_latency_max	Highest value of average latency of write operations (seconds); returned only when there is traffic	Second
DB Client Connections	bdb_conns	Number of client connections to DB	Count
DB Outgoing Traffic	bdb_egress_bytes	Rate of outgoing network traffic from the DB (bytes/sec)	BytePerSecond
DB Incoming Traffic	bdb_ingress_bytes	Rate of incoming network traffic to the DB (bytes/sec)	BytePerSecond
DB Memory Limit	bdb_memory_limit	Configured RAM limit for the database	Byte
DB Request Rate	bdb_total_req	Rate of all requests on DB (ops/sec)	PerSecond
Database Status	bdb_up	Database is up and running	Count
DB Used Memory	bdb_used_memory	Memory used by db (in bigredis this includes flash) (bytes)	Byte
DB Average Latency	bdb_avg_latency	Average latency of operations on the DB (seconds); returned only when there is traffic	Second
DB Number of Keys	bdb_no_of_keys	Number of Keys in DB	Count
DB Read Hits	bdb_read_hits	Rate of read operations accessing an existing key (ops/sec)	PerSecond
DB Read Hits Max	bdb_read_hits_max	Highest value of rate of read operations accessing an existing key (ops/sec)	PerSecond
DB Read Misses	bdb_read_misses	Rate of read operations accessing a non-existing key (ops/sec)	PerSecond

Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.

ReleaseDate

Full version history

Dashboard updates and improvements

Full version history

Do not define the Redis Database topology type when bdb_name is not set in the prometheus export

Full version history

Add sourceEntityType to metrics for tags and management zone support
Add additional metric metadata

Full version history

Collect metric: redis_db0_avg_ttl - Average TTL of all volatile keys

Full version history

Remove redis metric prefix to match Prometheus metric names
Update Cluster -> Node topology relationship to correctly display the full list
Consistent database names with and without bdb_name set

Full version history

Initial published extension.

Redis Enterprise metrics for:

Clusters
Nodes
Databases
Replicas
Proxies
Shards

All

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