AWS Storage Gateway User Guide
Understanding Volume Metrics
Metric
Description
Cached volumes
Stored volumes
.
Units: Percent
CachePercentUsed
The volume's
contribution to the
overall percent use of
the gateway's cache
storage. The sample is
taken at the end of the
reporting period.
Use the
CachePercentUsed
metric of the gateway
to view overall percent
use of the gateway's
cache storage. For
more information, see
.
Units: Percent
yes
no
ReadBytes
The total number
of bytes read from
your on-premises
applications in the
reporting period.
Use this metric with the
Sum
statistic to measure
throughput and with
the
Samples
statistic to
measure IOPS.
Units: Bytes
yes
yes
ReadTime
The total number of
milliseconds spent to
do read operations
from your on-premises
applications in the
reporting period.
Use this metric with the
Average
statistic to
measure latency.
Units: Milliseconds
yes
yes
API Version 2013-06-30
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