AWS Storage Gateway User Guide
AWS Storage Gateway Metrics
The following table describes the AWS Storage Gateway metrics that you can use to get information
about your gateways. Specify the
GatewayId
or
GatewayName
dimension for each metric to view the
data for a gateway. Note that these metrics are measured in 5-minute intervals.
Metric Description
Gateway-Cached
Gateway-Stored
Gateway-VTL
CacheHitPercent
Percent of application
reads served from
the cache. This metric
applies only to the
gateway-cached
volume setup. The
sample is taken at the
end of the reporting
period.
Units: Percent
yes
no
yes
CachePercentUsed
Percent use of the
gateway's cache
storage. This metric
applies only to the
gateway-cached
volume setup. The
sample is taken at the
end of the reporting
period.
Units: Percent
yes
no
yes
CachePercentDirty
Percent of the
gateway's cache
that has not been
persisted to AWS.
This metric applies
only to the gateway-
cached volume setup.
The sample is taken
at the end of the
reporting period.
Units: Percent
yes
no
yes
CloudBytesDownloaded
The total number of
compressed bytes
that the gateway
downloaded from
AWS during the
reporting period.
Use this metric with
the
Sum
statistic to
measure throughput
and with the
Samples
statistic
to measure input/
output operations per
second (IOPS).
yes
yes
yes
API Version 2013-06-30
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