Monitor MySQL downtime in your Objective-C application

MySQL is used commonly when building Objective-C as it is a robust, relational database that makes it easy to go from zero to production in no time. In addition, it is a great database with many features, making it an excellent choice for small and large applications.

However, like any other database or software, MySQL is susceptible to issues and downtimes caused by various internal and external factors. For example, connectivity issues, hardware failures, misconfiguration, lack of resources, and many other reasons can cause our MySQL instance to go down and stop working as expected. Thankfully, many services these days take care of hosting and managing MySQL instances for us, making it easy to focus on building our applications. Yet, it is still crucial to monitor the status of our database and take immediate action when something needs to be fixed as expected.

Here at LogSnag, we have been working on that to make it easy for developers to monitor their products and take immediate action when something is not working as expected. LogSnag is a simple yet powerful event-tracking tool that allows us to log anything that happens in our applications, from user actions to database status and downtimes. It creates a single source of truth for all that occurs in the product and provides a number of features to make it easy to manage and monitor our events.

For example, in the case of using MySQL with Objective-C, we usually set up periodic checks to ensure that our database is up and running and monitor its performance, disk, and memory usage. If we encounter any issues, such as increased disk usage, slow performance, or downtime, we log the event using LogSnag. It then notifies our team immediately and allows us to take immediate action.

In addition, LogSnag provides a powerful insights dashboard that allows us to monitor the status of our database, its performance, uptime, memory usage, and any other metric that we want to track, making it easy to monitor the health of our database.

Setting up LogSnag

1. Sign up for a free LogSnag account.
2. Create your first project from the dashboard.
3. Head to settings and copy your API token.

Objective-C code snippets

To track your MySQL downtime, you can use the following code snippet Please don't forget to replace the YOUR_API_TOKEN with your API token and update the project and channel names.

#import <Foundation/Foundation.h>

dispatch_semaphore_t sema = dispatch_semaphore_create(0);

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://api.logsnag.com/v1/log"]
  cachePolicy:NSURLRequestUseProtocolCachePolicy
  timeoutInterval:10.0];
NSDictionary *headers = @{
  @"Content-Type": @"application/json",
  @"Authorization": @"Bearer YOUR_API_TOKEN"
};

[request setAllHTTPHeaderFields:headers];
NSData *postData = [[NSData alloc] initWithData:[@"{\"project\":\"my-saas\",\"channel\":\"status\",\"event\":\"MySQL is down\",\"description\":\"MySQL has been down for the last 5 minutes\",\"icon\":\"🚨\",\"notify\":true}" dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:postData];

[request setHTTPMethod:@"POST"];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
  if (error) {
    NSLog(@"%@", error);
    dispatch_semaphore_signal(sema);
  } else {
    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
    NSError *parseError = nil;
    NSDictionary *responseDictionary = [NSJSONSerialization JSONObjectWithData:data options:0 error:&parseError];
    NSLog(@"%@",responseDictionary);
    dispatch_semaphore_signal(sema);
  }
}];
[dataTask resume];
dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);

Objective-C integration details

LogSnag provides several powerful features, such as real-time event tracking, push notifications, charts, funnels, and user journey tracking. Furthermore, it works seamlessly with Objective-C and is an excellent addition to your toolset.

We would love to hear about how you use LogSnag in your product, so please give it a try and let us know what you think!

Other use-cases for LogSnag

1. Monitor your CI/CD build status for your Objective-C application
2. Monitor your CPU usage in your Objective-C application
3. Monitor when database goes down in your Objective-C application
4. Monitor high disk usage in your Objective-C application
5. Monitor when a user changes their email address in your Objective-C application
6. Monitor failed logins in your Objective-C application
7. Monitor failed payments for your Objective-C application
8. Monitor memory usage in your Objective-C application
9. Monitor when a new feature is used in your Objective-C application
10. Monitor your Postgres downtime in your Objective-C application
11. Monitor Redis downtime in your Objective-C application
12. Monitor suspicious activity in your Objective-C application
13. Monitor when a user exceeds the usage limit for your Objective-C service
14. Monitor when a user is being rate limited in your Objective-C application
15. Get a notification when your Objective-C code is done executing
16. Send push notifications to your phone or desktop using Objective-C
17. Track canceled subscriptions in your Objective-C application
18. Track your Objective-C cron jobs
19. Track when a file is uploaded to your Objective-C application
20. Track when a form is submitted to your Objective-C application
21. Track payment events via Objective-C
22. Track user sign in events in Objective-C
23. Track user signup events via Objective-C
24. Track waitlist signup events via Objective-C