[英]Amazon Cloudwatch service not returning metrics information
I am writing a Java code for retrieving Amazon EC2 metrics using Amazon Cloudwatch.我正在编写用于使用 Amazon Cloudwatch 检索 Amazon EC2 指标的 Java 代码。 Below is the code:
下面是代码:
AWSCredentials awsCredentials = new BasicAWSCredentials(aws_accessKey, aws_secretKey);
AmazonCloudWatchClient cloudWatch = new AmazonCloudWatchClient(awsCredentials);
Dimension instanceDimension = new Dimension();
instanceDimension.setName("InstanceId");
instanceDimension.setValue("i-480de11e");
GetMetricStatisticsRequest request = new GetMetricStatisticsRequest();
request.setNamespace("AWS/EC2");
request.setPeriod(60 * 5);
ArrayList<String> stats = new ArrayList<String>();
stats.add("Average");
request.setStatistics(stats);
ArrayList<Dimension> dimensions = new ArrayList<Dimension>();
dimensions.add(instanceDimension);
request.setDimensions(dimensions);
request.setMetricName("CPUUtilization");
SimpleDateFormat format = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy");
Calendar cal = Calendar.getInstance();
cal.setTime(new Date());
cal.add(Calendar.HOUR_OF_DAY, -5);
cal.add(Calendar.MINUTE, -30);
Date endTime = format.parse(cal.getTime().toString());
request.setEndTime(endTime);
cal.add(Calendar.MINUTE, -10);
Date startTime = format.parse(cal.getTime().toString());
request.setStartTime(startTime);
GetMetricStatisticsResult getMetricStatisticsResult = cloudWatch.getMetricStatistics(request);
System.out.println(getMetricStatisticsResult.getDatapoints().size());
The above is returning zero though I can see the metrics data in AWS console.尽管我可以在 AWS 控制台中看到指标数据,但上述内容返回零。 Few thing I would like to clarify:
我想澄清的几件事:
cloudWatch.setEndpoint(....)?
cloudWatch.setEndpoint(....)?
这样的端点cloudWatch.setEndpoint(....)?
通过设置cloudWatch.setEndpoint(....)
解决了该问题
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