Amazon ElastiCache 🔗

Description
Installation
Usage
Metrics

DESCRIPTION 🔗

Use SignalFx to monitor Amazon ElastiCache via Amazon Web Services.

FEATURES 🔗

Built-in dashboards 🔗

ElastiCache: Overview of all data from ElastiCache.
ElastiCache Cluster: Focus on a single ElastiCache cluster.
ElastiCache Node: Focus on a single ElastiCache node.

INSTALLATION 🔗

To access this integration, connect to CloudWatch.

By default, SignalFx will import all CloudWatch metrics that are available in your account. To retrieve metrics for a subset of available services or regions, modify the connection on the Integrations page.

USAGE 🔗

SignalFx provides built-in dashboards for this service. Examples are shown below.

METRICS 🔗

Metric Name	Description
ActiveDefragHits	The number of value reallocations per minute performed by the active defragmentation process.
BytesReadIntoMemcached	The number of bytes that have been read from the network by the cache node.
BytesUsedForCache	The total number of bytes allocated by Redis for all purposes, including the dataset, buffers, etc.
BytesUsedForCacheItems	The number of bytes used to store cache items.
BytesUsedForHash	The number of bytes currently used by hash tables.
BytesWrittenOutFromMemcached	The number of bytes that have been written to the network by the cache node.
CPUUtilization	The percentage of CPU utilization.
CacheHits	The number of successful read-only key lookups in the main dictionary.
CacheMisses	The number of unsuccessful read-only key lookups in the main dictionary.
CasBadval	The number of CAS (check and set) requests the cache has received where the Cas value did not match the Cas value stored.
CasHits	The number of Cas requests the cache has received where the requested key was found and the Cas value matched.
CasMisses	The number of Cas requests the cache has received where the key requested was not found.
CmdConfigGet	The cumulative number of config get requests.
CmdConfigSet	The cumulative number of config set requests.
CmdFlush	The number of flush commands the cache has received.
CmdGet	The number of get commands the cache has received.
CmdSet	The number of set commands the cache has received.
CmdTouch	The cumulative number of touch requests.
CurrConfig	The current number of configurations stored.
CurrConnections	A count of the number of connections connected to the cache at an instant in time.
CurrItems	A count of the number of items currently stored in the cache.
DecrHits	The number of decrement requests the cache has received where the requested key was found.
DecrMisses	The number of decrement requests the cache has received where the requested key was not found.
DeleteHits	The number of delete requests the cache has received where the requested key was found.
DeleteMisses	The number of delete requests the cache has received where the requested key was not found.
EngineCPUUtilization	Provides CPU utilization of the Redis engine thread.
EvictedUnfetched	The number of valid items evicted from the least recently used cache (LRU) which were never touched after being set.
Evictions	The number of non-expired items the cache evicted to allow space for new writes.
ExpiredUnfetched	The number of expired items reclaimed from the LRU which were never touched after being set.
FreeableMemory	The amount of free memory available on the host.
GetHits	The number of get requests the cache has received where the key requested was found.
GetMisses	The number of get requests the cache has received where the key requested was not found.
GetTypeCmds	The total number of read-only type commands.
HashBasedCmds	The total number of commands that are hash-based.
HyperLogLogBasedCmds	The total number of HyperLogLog-based commands.
IncrHits	The number of increment requests the cache has received where the key requested was found.
IncrMisses	The number of increment requests the cache has received where the key requested was not found.
KeyBasedCmds	The total number of commands that are key-based.
ListBasedCmds	The total number of commands that are list-based.
NetworkBytesIn	The number of bytes the host has read from the network.
NetworkBytesOut	The number of bytes the host has written to the network.
NetworkPacketsIn	The number of packets received on all network interfaces by the instance.
NetworkPacketsOut	The number of packets sent out on all network interfaces by the instance.
NewConnections	The number of new connections the cache has received.
NewItems	The number of new items the cache has stored.
Reclaimed	The number of expired items the cache evicted to allow space for new writes.
ReplicationBytes	For nodes in a replicated configuration, ReplicationBytes reports the number of bytes that the primary is sending to all of its replicas.
ReplicationLag	This metric is only applicable for a node running as a read replica.
SaveInProgress	This binary metric returns 1 whenever a background save (forked or forkless) is in progress, and 0 otherwise.
SetBasedCmds	The total number of commands that are set-based.
SetTypeCmds	The total number of write types of commands.
SlabsMoved	The total number of slab pages that have been moved.
SortedSetBasedCmds	The total number of commands that are sorted set-based.
StreamBasedCmds	The total number of commands that are stream-based.
StringBasedCmds	The total number of commands that are string-based.
SwapUsage	The amount of swap used on the host.
TouchHits	The number of keys that have been touched and were given a new expiration time.
TouchMisses	The number of items that have been touched, but were not found.
UnusedMemory	The amount of memory not used by data.

ActiveDefragHits 🔗

The number of value reallocations per minute performed by the active defragmentation process.

BytesReadIntoMemcached 🔗

The number of bytes that have been read from the network by the cache node.

BytesUsedForCache 🔗

The total number of bytes allocated by Redis for all purposes, including the dataset, buffers, etc.

BytesUsedForCacheItems 🔗

The number of bytes used to store cache items.

BytesUsedForHash 🔗

The number of bytes currently used by hash tables.

BytesWrittenOutFromMemcached 🔗

The number of bytes that have been written to the network by the cache node.

CPUUtilization 🔗

The percentage of CPU utilization.

CacheHits 🔗

The number of successful read-only key lookups in the main dictionary.

CacheMisses 🔗

The number of unsuccessful read-only key lookups in the main dictionary.

CasBadval 🔗

The number of CAS (check and set) requests the cache has received where the Cas value did not match the Cas value stored.

CasHits 🔗

The number of Cas requests the cache has received where the requested key was found and the Cas value matched.

CasMisses 🔗

The number of Cas requests the cache has received where the key requested was not found.

CmdConfigGet 🔗

The cumulative number of config get requests.

CmdConfigSet 🔗

The cumulative number of config set requests.

CmdFlush 🔗

The number of flush commands the cache has received.

CmdGet 🔗

The number of get commands the cache has received.

CmdSet 🔗

The number of set commands the cache has received.

CmdTouch 🔗

The cumulative number of touch requests.

CurrConfig 🔗

The current number of configurations stored.

CurrConnections 🔗

A count of the number of connections connected to the cache at an instant in time.

CurrItems 🔗

A count of the number of items currently stored in the cache.

DecrHits 🔗

The number of decrement requests the cache has received where the requested key was found.

DecrMisses 🔗

The number of decrement requests the cache has received where the requested key was not found.

DeleteHits 🔗

The number of delete requests the cache has received where the requested key was found.

DeleteMisses 🔗

The number of delete requests the cache has received where the requested key was not found.

EngineCPUUtilization 🔗

Provides CPU utilization of the Redis engine thread.

EvictedUnfetched 🔗

The number of valid items evicted from the least recently used cache (LRU) which were never touched after being set.

Evictions 🔗

The number of non-expired items the cache evicted to allow space for new writes.

ExpiredUnfetched 🔗

The number of expired items reclaimed from the LRU which were never touched after being set.

FreeableMemory 🔗

The amount of free memory available on the host.

GetHits 🔗

The number of get requests the cache has received where the key requested was found.

GetMisses 🔗

The number of get requests the cache has received where the key requested was not found.

GetTypeCmds 🔗

The total number of read-only type commands.

HashBasedCmds 🔗

The total number of commands that are hash-based.

HyperLogLogBasedCmds 🔗

The total number of HyperLogLog-based commands.

IncrHits 🔗

The number of increment requests the cache has received where the key requested was found.

IncrMisses 🔗

The number of increment requests the cache has received where the key requested was not found.

KeyBasedCmds 🔗

The total number of commands that are key-based.

ListBasedCmds 🔗

The total number of commands that are list-based.

NetworkBytesIn 🔗

The number of bytes the host has read from the network.

NetworkBytesOut 🔗

The number of bytes the host has written to the network.

NetworkPacketsIn 🔗

The number of packets received on all network interfaces by the instance.

NetworkPacketsOut 🔗

The number of packets sent out on all network interfaces by the instance.

NewConnections 🔗

The number of new connections the cache has received.

NewItems 🔗

The number of new items the cache has stored.

Reclaimed 🔗

The number of expired items the cache evicted to allow space for new writes.

ReplicationBytes 🔗

For nodes in a replicated configuration, ReplicationBytes reports the number of bytes that the primary is sending to all of its replicas.

ReplicationLag 🔗

This metric is only applicable for a node running as a read replica.

SaveInProgress 🔗

This binary metric returns 1 whenever a background save (forked or forkless) is in progress, and 0 otherwise.

SetBasedCmds 🔗

The total number of commands that are set-based.

SetTypeCmds 🔗

The total number of write types of commands.

SlabsMoved 🔗

The total number of slab pages that have been moved.

SortedSetBasedCmds 🔗

The total number of commands that are sorted set-based.

StreamBasedCmds 🔗

The total number of commands that are stream-based.

StringBasedCmds 🔗

The total number of commands that are string-based.

SwapUsage 🔗

The amount of swap used on the host.

TouchHits 🔗

The number of keys that have been touched and were given a new expiration time.

TouchMisses 🔗

The number of items that have been touched, but were not found.

UnusedMemory 🔗

The amount of memory not used by data.

For more information about the metrics emitted by Amazon ElastiCache, visit the service’s homepage at https://aws.amazon.com/elasticache/.