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@brianmfear
Last active November 30, 2023 19:01
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Notify Admin when approaching Async Apex usage limit

Use this simple job to send hourly notifications to an admin if the org's limit usage for daily async executions exceeds 90%. You can use this execute anonymous script to do so.

System.schedule('MonitorAsyncUsage', '0 0 * * * ?', new MonitorAsyncUsage());
public class MonitorAsyncUsage implements Schedulable {
public class ResourceInfo {
public Integer Max;
public Integer Remaining;
}
public class LimitsAPI {
public ResourceInfo DailyAsyncApexExecutions;
}
public static LimitsAPI parse(String json) {
return (LimitsAPI) System.JSON.deserialize(json, LimitsAPI.class);
}
public void execute(SchedulableContext context) {
System.enqueueJob(new Queued());
}
public class Queued implements Queueable, Database.AllowsCallouts {
public void execute(QueueableContext context) {
HttpRequest request = new HttpRequest();
request.setHeader('Authorization', 'Bearer '+UserInfo.getSessionId());
request.setEndpoint(Url.getOrgDomainURL().toExternalForm()+'/services/data/v58.0/limits');
request.setMethod('GET');
HttpResponse response = new Http().send(request);
LimitsAPI limitsUsage = parse(response.getBody());
if(limitsUsage.DailyAsyncApexExecutions.Remaining / limitsUsage.DailyAsyncApexExecutions.Max < 0.1) {
Messaging.SingleEmailMessage message = new Messaging.SingleEmailMessage();
message.setTargetObjectId(UserInfo.getUserId());
message.setSubject('Approaching Apex Async Limits for org '+UserInfo.getOrganizationId());
message.setPlainTextBody(
'Current Usage: ' + limitsUsage.DailyAsyncApexExecutions.Remaining+'\n' +
'Remaining: ' + (limitsUsage.DailyAsyncApexExecutions.Max - limitsUsage.DailyAsyncApexExecutions.Remaining)
);
message.setSaveAsActivity(false);
Messaging.sendEmail(new Messaging.Email[] { message });
}
}
}
}
@isTest class MonitorAsyncUsageTest {
class ResponseMock implements HttpCalloutMock {
public HttpResponse respond(HttpRequest request) {
HttpResponse response = new HttpResponse();
MonitorAsyncUsage.LimitsAPI limitsUsage = new MonitorAsyncUsage.LimitsAPI();
limitsUsage.DailyAsyncApexExecutions = new MonitorAsyncUsage.ResourceInfo();
limitsUsage.DailyAsyncApexExecutions.Max = 1000;
limitsUsage.DailyAsyncApexExecutions.Remaining = 99;
response.setBody(JSON.serialize(limitsUsage));
return response;
}
}
@isTest static void test() {
Test.startTest();
Test.setMock(HttpCalloutMock.class, new ResponseMock());
System.schedule('JobForUnitTestMonitor', '0 0 * * * ?', new MonitorAsyncUsage());
Test.stopTest();
Assert.isTrue(true, 'Nothing to assert here; if the test passes, coverage is 100% and everything works.');
}
}
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