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
CacheHitPercentPercent 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
CachePercentUsedPercent 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
CachePercentDirtyPercent 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
CloudBytesDownloadedThe 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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