[{"data":1,"prerenderedAt":566},["ShallowReactive",2],{"content-svc-lambda-guides-aws-lambda-operator-guide-search-logs":3},{"markdown":4,"frontMatterAttributes":5,"bodyRaw":8,"menu":9,"menuType":563,"isCollapseableMenu":12,"nextDocItem":432,"previousDocItem":422,"contributorPaths":564,"contentName":565,"slug":431,"readingTime":58},"\u003Cp>A single Lambda function can often generate large numbers of log streams, especially if the function scales up. It can be time-consuming to find specific information if you need to search across many log groups. To help with this, the CloudWatch Logs Insights feature provides an interface that can make it easier to search and aggregate data across thousands of individual log files.\u003C\u002Fp>\n\u003Cp>With CloudWatch Logs Insights, you can search and analyze log data using a specialized \u003Ca href=\"https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Flogs\u002FCWL_QuerySyntax.html\">query syntax\u003C\u002Fa>. It performs queries over multiple log groups and provides powerful filtering using \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGlob_(programming)\">glob\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRegular_expression\">regular expressions\u003C\u002Fa> pattern matching.\u003C\u002Fp>\n\u003Cp>Additionally, you can use Lambda Insights which adds more metrics, including memory, network and CPU usage. To use Lambda Insights, you must \u003Ca href=\"https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Fmonitoring\u002FLambda-Insights-Getting-Started-console.html\">enable this feature\u003C\u002Fa> on a Lambda function. From the console, in the \u003Cem>Monitoring tools\u003C\u002Fem> section of the \u003Cem>Configuration\u003C\u002Fem> page, choose \u003Cem>Edit\u003C\u002Fem>. Under \u003Cem>CloudWatch Lambda Insights\u003C\u002Fem>, choose \u003Cem>Enhanced monitoring\u003C\u002Fem> and then choose \u003Cem>Save\u003C\u002Fem>. If you are using AWS SAM to deploy applications, you must include the Insights layer in the template to activate the service:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-yaml\">Resources:\n  MyFunction:\n    Type: AWS::Serverless::Function\n    Properties:\n      Layers:\n        - !Sub "arn:aws:lambda:${AWS::Region}:580247275435:layer:LambdaInsightsExtension:14"\n      Policies:\n        - CloudWatchLambdaInsightsExecutionRolePolicy\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>The \u003Ca href=\"https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Fmonitoring\u002FLambda-Insights-extension-versions.html\">latest available versions\u003C\u002Fa> of the Lambda Insights extension are published in the documentation. CloudWatch Logs Insights are useful for monitoring metrics emitted by your custom code and for standard logs emitted from the Lambda service.\u003C\u002Fp>\n",{"title":6,"order":7},"Searching across logs with CloudWatch Logs Insights",68,"A single Lambda function can often generate large numbers of log streams, especially if the function scales up. It can be time-consuming to find specific information if you need to search across many log groups. To help with this, the CloudWatch Logs Insights feature provides an interface that can make it easier to search and aggregate data across thousands of individual log files.\n\nWith CloudWatch Logs Insights, you can search and analyze log data using a specialized [query syntax](https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Flogs\u002FCWL_QuerySyntax.html). It performs queries over multiple log groups and provides powerful filtering using [glob](https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGlob_(programming)) and [regular expressions](https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRegular_expression) pattern matching.\n\nAdditionally, you can use Lambda Insights which adds more metrics, including memory, network and CPU usage. To use Lambda Insights, you must [enable this feature](https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Fmonitoring\u002FLambda-Insights-Getting-Started-console.html) on a Lambda function. From the console, in the _Monitoring tools_ section of the _Configuration_ page, choose _Edit_. Under _CloudWatch Lambda Insights_, choose _Enhanced monitoring_ and then choose _Save_. If you are using AWS SAM to deploy applications, you must include the Insights layer in the template to activate the service:\n\n```yaml\nResources:\n  MyFunction:\n    Type: AWS::Serverless::Function\n    Properties:\n      Layers:\n        - !Sub \"arn:aws:lambda:${AWS::Region}:580247275435:layer:LambdaInsightsExtension:14\"\n      Policies:\n        - CloudWatchLambdaInsightsExecutionRolePolicy\n```\n\nThe [latest available versions](https:\u002F\u002Fdocs.aws.amazon.com\u002FAmazonCloudWatch\u002Flatest\u002Fmonitoring\u002FLambda-Insights-extension-versions.html) of the Lambda Insights extension are published in the documentation. CloudWatch Logs Insights are useful for monitoring metrics emitted by your custom code and for standard logs emitted from the Lambda service.",[10,21,139,247,314,384,486,555],{"title":-1,"collapsible":11,"isCollapsed":12,"content":13},false,true,[14],{"title":15,"order":16,"time":17,"path":18,"id":19,"link":20},"Introduction",1,"4 min","intro","intro.md","\u002Fcontent\u002Fservice\u002Flambda\u002Fguides\u002Faws-lambda-operator-guide\u002Fintro",{"title":22,"collapsible":12,"isCollapsed":12,"content":23},"Event-driven architectures",[24,30,37,43,49,55,62,68,74,80,86,92,98,104,110,116,122,128,133],{"title":22,"order":25,"time":26,"path":27,"id":28,"link":29},2,"1 min","event-driven-architectures","event-driven-architectures.md","\u002Fcontent\u002Fservice\u002Flambda\u002Fguides\u002Faws-lambda-operator-guide\u002Fevent-driven-architectures",{"title":31,"order":32,"time":33,"path":34,"id":35,"link":36},"How Lambda fits into the event-driven paradigm",3,"3 min","lambda-event-driven-paradigm","lambda-event-driven-paradigm.md","\u002Fcontent\u002Fservice\u002Flambda\u002Fguides\u002Faws-lambda-operator-guide\u002Flambda-event-driven-paradigm",{"title":38,"order":39,"time":33,"path":40,"id":41,"link":42},"The benefits of event-driven architectures",4,"event-driven-benefits","event-driven-benefits.md","\u002Fcontent\u002Fservice\u002Flambda\u002Fguides\u002Faws-lambda-operator-guide\u002Fevent-driven-benefits",{"title":44,"order":45,"time":17,"path":46,"id":47,"link":48},"Trade-offs of event-driven architectures",5,"tradeoffs-event-driven","tradeoffs-event-driven.md","\u002Fcontent\u002Fservice\u002Flambda\u002Fguides\u002Faws-lambda-operator-guide\u002Ftradeoffs-event-driven",{"title":50,"order":51,"time":26,"path":52,"id":53,"link":54},"Design 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