Gain insights on how to handle ERROR logs using Amazon CloudWatch and SNS from our comprehensive guide. Perfect your skills.
Table of Contents
Question
A company deploys a new application to AWS. The company is streaming application logs to Amazon CloudWatch Logs. The company’s development team must receive notification by email when the word “ERROR” appears in any log lines. A developer sets up an Amazon Simple Notification Service (Amazon SNS) topic and subscribes the development team to the topic.
What should the developer do next to meet the requirements?
A. Select the appropriate log group. Create a CloudWatch metric filter with “ERROR” as the search term. Create an alarm on this metric that notifies the SNS topic when the metric is 1 or higher.
B. In CloudWatch Logs Insights, select the appropriate log group. Create a metric query to search for the term “ERROR” in the logs. Create an alarm on this metric that notifies the SNS topic when the metric is 1 or higher.
C. Select the appropriate log group. Create an SNS subscription filter with “ERROR” as the filter pattern. Select the SNS topic as the destination.
D. Create a CloudWatch alarm that includes “ERROR” as a filter pattern, a log group dimension that defines the appropriate log group, and a destination that notifies the SNS topic.
Answer
A. Select the appropriate log group. Create a CloudWatch metric filter with “ERROR” as the search term. Create an alarm on this metric that notifies the SNS topic when the metric is 1 or higher.
Explanation
This approach allows the development team to receive notifications when the word “ERROR” appears in any log lines.
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