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README.md

DATABASE REDIS DataDog monitors

How to use this module

module "datadog-monitors-database-redis" {
  source = "claranet/monitors/datadog//database/redis"
  version = "{revision}"

  environment = var.environment
  message     = module.datadog-message-alerting.alerting-message
}

Purpose

Creates DataDog monitors with the following checks:

  • Redis blocked clients
  • Redis does not respond
  • Redis evicted keys
  • Redis expired keys
  • Redis hitrate
  • Redis keyspace seems full (no changes since ${var.keyspace_timeframe})
  • Redis latency
  • Redis memory fragmented
  • Redis memory used
  • Redis rejected connections

Inputs

Name Description Type Default Required
blocked_clients_enabled Flag to enable Redis Blocked clients monitor string "true" no
blocked_clients_extra_tags Extra tags for Redis Blocked clients monitor list(string) [] no
blocked_clients_message Custom message for Redis Blocked clients monitor string "" no
blocked_clients_threshold_critical Blocked clients rate (critical threshold) string "30" no
blocked_clients_threshold_warning Blocked clients rate (warning threshold) string "10" no
blocked_clients_time_aggregator Monitor aggregator for Redis Blocked clients [available values: min, max or avg] string "min" no
blocked_clients_timeframe Monitor timeframe for Redis Blocked clients [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
environment Architecture environment string n/a yes
evaluation_delay Delay in seconds for the metric evaluation string "15" no
evictedkeys_change_enabled Flag to enable Redis evicted keys monitor string "true" no
evictedkeys_change_extra_tags Extra tags for Redis evicted keys monitor list(string) [] no
evictedkeys_change_message Custom message for Redis evicted keys monitor string "" no
evictedkeys_change_threshold_critical Evicted keys change (critical threshold) string "100" no
evictedkeys_change_threshold_warning Evicted keys change (warning threshold) string "20" no
evictedkeys_change_time_aggregator Monitor aggregator for Redis evicted keys [available values: min, max or avg] string "avg" no
evictedkeys_change_timeframe Monitor timeframe for Redis evicted keys [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
expirations_rate_enabled Flag to enable Redis keys expirations monitor string "true" no
expirations_rate_extra_tags Extra tags for Redis keys expirations monitor list(string) [] no
expirations_rate_message Custom message for Redis keys expirations monitor string "" no
expirations_rate_threshold_critical Expirations percent (critical threshold) string "80" no
expirations_rate_threshold_warning Expirations percent (warning threshold) string "60" no
expirations_rate_time_aggregator Monitor aggregator for Redis keys expirations [available values: min, max or avg] string "min" no
expirations_rate_timeframe Monitor timeframe for Redis keys expirations [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
filter_tags_custom Tags used for custom filtering when filter_tags_use_defaults is false string "*" no
filter_tags_custom_excluded Tags excluded for custom filtering when filter_tags_use_defaults is false string "" no
filter_tags_use_defaults Use default filter tags convention string "true" no
hitrate_enabled Flag to enable Redis hitrate monitor string "true" no
hitrate_extra_tags Extra tags for Redis hitrate monitor list(string) [] no
hitrate_message Custom message for Redis hitrate monitor string "" no
hitrate_threshold_critical hitrate limit (critical threshold) string "10" no
hitrate_threshold_warning hitrate limit (warning threshold) string "30" no
hitrate_time_aggregator Monitor aggregator for Redis hitrate [available values: min, max or avg] string "max" no
hitrate_timeframe Monitor timeframe for Redis hitrate [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
keyspace_enabled Flag to enable Redis keyspace monitor string "true" no
keyspace_extra_tags Extra tags for Redis keyspace monitor list(string) [] no
keyspace_message Custom message for Redis keyspace monitor string "" no
keyspace_threshold_critical Keyspace no changement (critical threshold) string "0" no
keyspace_threshold_warning Keyspace no changement (warning threshold) string "1" no
keyspace_time_aggregator Monitor aggregator for Redis keyspace [available values: min, max or avg] string "min" no
keyspace_timeframe Monitor timeframe for Redis keyspace [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
latency_enabled Flag to enable Redis latency monitor string "true" no
latency_extra_tags Extra tags for Redis latency monitor list(string) [] no
latency_message Custom message for Redis latency monitor string "" no
latency_threshold_critical latency limit (critical threshold) string "100" no
latency_threshold_warning latency limit (warning threshold) string "50" no
latency_time_aggregator Monitor aggregator for Redis latency [available values: min, max or avg] string "min" no
latency_timeframe Monitor timeframe for Redis latency [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
mem_frag_enabled Flag to enable Redis memory RAM fragmentation monitor string "true" no
mem_frag_extra_tags Extra tags for Redis memory RAM fragmentation monitor list(string) [] no
mem_frag_message Custom message for Redis memory RAM fragmentation monitor string "" no
mem_frag_threshold_critical memory RAM fragmentation limit (critical threshold) string "150" no
mem_frag_threshold_warning memory RAM fragmentation limit (warning threshold) string "130" no
mem_frag_time_aggregator Monitor aggregator for Redis memory RAM fragmentation [available values: min, max or avg] string "min" no
mem_frag_timeframe Monitor timeframe for Redis memory RAM fragmentation [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
mem_used_enabled Flag to enable Redis RAM memory used monitor string "true" no
mem_used_extra_tags Extra tags for Redis RAM memory used monitor list(string) [] no
mem_used_message Custom message for Redis RAM memory used monitor string "" no
mem_used_threshold_critical RAM memory used limit (critical threshold) string "95" no
mem_used_threshold_warning RAM memory used limit (warning threshold) string "85" no
mem_used_time_aggregator Monitor aggregator for Redis RAM memory used [available values: min, max or avg] string "min" no
mem_used_timeframe Monitor timeframe for Redis RAM memory used [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no
message Message sent when a Redis monitor is triggered string n/a yes
new_host_delay Delay in seconds for the metric evaluation string "300" no
not_responding_enabled Flag to enable Redis does not respond monitor string "true" no
not_responding_extra_tags Extra tags for Redis does not respond monitor list(string) [] no
not_responding_message Custom message for Redis does not respond monitor string "" no
not_responding_no_data_timeframe Redis does not respond monitor no data timeframe string "10" no
not_responding_threshold_warning Redis does not respond monitor (warning threshold) string "3" no
notify_no_data Will raise no data alert if set to true string "true" no
prefix_slug Prefix string to prepend between brackets on every monitors names string "" no
rejected_con_enabled Flag to enable Redis rejected connections errors monitor string "true" no
rejected_con_extra_tags Extra tags for Redis rejected connections errors monitor list(string) [] no
rejected_con_message Custom message for Redis rejected connections errors monitor string "" no
rejected_con_threshold_critical rejected connections errors limit (critical threshold) string "50" no
rejected_con_threshold_warning rejected connections errors limit (warning threshold) string "10" no
rejected_con_time_aggregator Monitor aggregator for Redis rejected connections errors [available values: min, max or avg] string "min" no
rejected_con_timeframe Monitor timeframe for Redis rejected connections errors [available values: last_#m (1, 5, 10, 15, or 30), last_#h (1, 2, or 4), or last_1d] string "last_5m" no

Outputs

Name Description
blocked_clients_id id for monitor blocked_clients
evicted_keys_id id for monitor evicted_keys
expirations_id id for monitor expirations
hitrate_id id for monitor hitrate
keyspace_full_id id for monitor keyspace_full
latency_id id for monitor latency
memory_frag_id id for monitor memory_frag
memory_used_id id for monitor memory_used
not_responding_id id for monitor not_responding
rejected_connections_id id for monitor rejected_connections

Related documentation

Datadog blog: How to monitor Redis

Datadog Redis integration doc