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Provides custom metrics for Redis in AWS CloudWatch similar to those provided by Redis in Elasticache.

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redis-cloudwatch

About

Provides custom metrics for Redis in AWS CloudWatch similar to those provided by Redis in Elasticache.

Prerequsites

This requires that you have installed Redis-Py, Boto and have created a Boto configuration file with your AWS credentials (~/.boto). You'll want to run this script as a cronjob every minute.

Install

sudo pip install boto redis
curl https://raw.githubusercontent.com/e271828-/redis-cloudwatch/master/cw-redis-stats.py | sudo tee /usr/local/bin/cw-redis-stats.py
sudo chmod +x /usr/local/bin/cw-redis-stats.py
(crontab -l ; echo "* * * * * /usr/local/bin/cw-redis-stats.py")| crontab -

Metrics Captured

Metric Description Unit
CurrConnections The number of client connections, excluding connections from read replicas. Count
Evictions The number of keys that have been evicted due to the maxmemory limit. Count
Reclaimed The total number of key expiration events. Count
BytesUsedForCache The total number of bytes allocated by Redis. Bytes
CacheHits The number of successful key lookups. Count
CacheMisses The number of unsuccessful key lookups. Count
CurrItems The number of items in the cache. This is derived from the Redis keyspace statistic, summing all of the keys in the entire keyspace. Count
UsedMemory The memory in bytes used by the server. Count
IOPS The number of instantaneous ops per sec. Count
InputKbps The number of instantaneous input kbps. Count
OutputKbps The number of instantaneous output kbps. Count

Aggregated Command Metrics Captured

Metric Description Unit
GetTypeCmds The total number of get types of commands. This is derived from the Redis commandstats statistic by summing all of the get types of commands (get, mget, hget, etc.) Count
SetTypeCmds The total number of set types of commands. This is derived from the Redis commandstats statistic by summing all of the set types of commands (set, hset, etc.) Count
KeyBasedCmds The total number of commands that are key-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more keys. Count
StringBasedCmds The total number of commands that are string-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more strings. Count
HashBasedCmds The total number of commands that are hash-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more hashes. Count
ListBasedCmds The total number of commands that are list-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more lists. Count
SetBasedCmds The total number of commands that are set-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more sets. Count
SortedSetBasedCmds The total number of commands that are sorted set-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more sorted sets. Count
HyperLogLogBasedCmds The total number of commands that are hyperloglog-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more hyperloglogs. Count
ScriptBasedCmds The total number of commands that are script-based. This is derived from the Redis commandstats statistic by summing all of the commands that act upon one or more scripts (eval, evalsha, etc). Count

About

Provides custom metrics for Redis in AWS CloudWatch similar to those provided by Redis in Elasticache.

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