Description Usage Arguments Value Request syntax
View source: R/cloudwatch_operations.R
Gets statistics for the specified metric.
The maximum number of data points returned from a single call is 1,440. If you request more than 1,440 data points, CloudWatch returns an error. To reduce the number of data points, you can narrow the specified time range and make multiple requests across adjacent time ranges, or you can increase the specified period. Data points are not returned in chronological order.
CloudWatch aggregates data points based on the length of the period that you specify. For example, if you request statistics with a onehour period, CloudWatch aggregates all data points with time stamps that fall within each onehour period. Therefore, the number of values aggregated by CloudWatch is larger than the number of data points returned.
CloudWatch needs raw data points to calculate percentile statistics. If you publish data using a statistic set instead, you can only retrieve percentile statistics for this data if one of the following conditions is true:
The SampleCount value of the statistic set is 1.
The Min and the Max values of the statistic set are equal.
Percentile statistics are not available for metrics when any of the metric values are negative numbers.
Amazon CloudWatch retains metric data as follows:
Data points with a period of less than 60 seconds are available for
3 hours. These data points are highresolution metrics and are
available only for custom metrics that have been defined with a
StorageResolution
of 1.
Data points with a period of 60 seconds (1minute) are available for 15 days.
Data points with a period of 300 seconds (5minute) are available for 63 days.
Data points with a period of 3600 seconds (1 hour) are available for 455 days (15 months).
Data points that are initially published with a shorter period are aggregated together for longterm storage. For example, if you collect data using a period of 1 minute, the data remains available for 15 days with 1minute resolution. After 15 days, this data is still available, but is aggregated and retrievable only with a resolution of 5 minutes. After 63 days, the data is further aggregated and is available with a resolution of 1 hour.
CloudWatch started retaining 5minute and 1hour metric data as of July 9, 2016.
For information about metrics and dimensions supported by AWS services, see the Amazon CloudWatch Metrics and Dimensions Reference in the Amazon CloudWatch User Guide.
1 2  cloudwatch_get_metric_statistics(Namespace, MetricName, Dimensions,
StartTime, EndTime, Period, Statistics, ExtendedStatistics, Unit)

Namespace 
[required] The namespace of the metric, with or without spaces. 
MetricName 
[required] The name of the metric, with or without spaces. 
Dimensions 
The dimensions. If the metric contains multiple dimensions, you must include a value for each dimension. CloudWatch treats each unique combination of dimensions as a separate metric. If a specific combination of dimensions was not published, you can't retrieve statistics for it. You must specify the same dimensions that were used when the metrics were created. For an example, see Dimension Combinations in the Amazon CloudWatch User Guide. For more information about specifying dimensions, see Publishing Metrics in the Amazon CloudWatch User Guide. 
StartTime 
[required] The time stamp that determines the first data point to return. Start times are evaluated relative to the time that CloudWatch receives the request. The value specified is inclusive; results include data points with the specified time stamp. In a raw HTTP query, the time stamp must be in ISO 8601 UTC format (for example, 20161003T23:00:00Z). CloudWatch rounds the specified time stamp as follows:
If you set 
EndTime 
[required] The time stamp that determines the last data point to return. The value specified is exclusive; results include data points up to the specified time stamp. In a raw HTTP query, the time stamp must be in ISO 8601 UTC format (for example, 20161010T23:00:00Z). 
Period 
[required] The granularity, in seconds, of the returned data points. For metrics
with regular resolution, a period can be as short as one minute (60
seconds) and must be a multiple of 60. For highresolution metrics that
are collected at intervals of less than one minute, the period can be 1,
5, 10, 30, 60, or any multiple of 60. Highresolution metrics are those
metrics stored by a If the

Statistics 
The metric statistics, other than percentile. For percentile statistics,
use 
ExtendedStatistics 
The percentile statistics. Specify values between p0.0 and p100. When
calling 
Unit 
The unit for a given metric. If you omit 
A list with the following syntax:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19  list(
Label = "string",
Datapoints = list(
list(
Timestamp = as.POSIXct(
"20150101"
),
SampleCount = 123.0,
Average = 123.0,
Sum = 123.0,
Minimum = 123.0,
Maximum = 123.0,
Unit = "Seconds""Microseconds""Milliseconds""Bytes""Kilobytes""Megabytes""Gigabytes""Terabytes""Bits""Kilobits""Megabits""Gigabits""Terabits""Percent""Count""Bytes/Second""Kilobytes/Second""Megabytes/Second""Gigabytes/Second""Terabytes/Second""Bits/Second""Kilobits/Second""Megabits/Second""Gigabits/Second""Terabits/Second""Count/Second""None",
ExtendedStatistics = list(
123.0
)
)
)
)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24  svc$get_metric_statistics(
Namespace = "string",
MetricName = "string",
Dimensions = list(
list(
Name = "string",
Value = "string"
)
),
StartTime = as.POSIXct(
"20150101"
),
EndTime = as.POSIXct(
"20150101"
),
Period = 123,
Statistics = list(
"SampleCount""Average""Sum""Minimum""Maximum"
),
ExtendedStatistics = list(
"string"
),
Unit = "Seconds""Microseconds""Milliseconds""Bytes""Kilobytes""Megabytes""Gigabytes""Terabytes""Bits""Kilobits""Megabits""Gigabits""Terabits""Percent""Count""Bytes/Second""Kilobytes/Second""Megabytes/Second""Gigabytes/Second""Terabytes/Second""Bits/Second""Kilobits/Second""Megabits/Second""Gigabits/Second""Terabits/Second""Count/Second""None"
)

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