7 Ways to Optimize High-Traffic in MySQL

7 Ways to Optimize High-Traffic in MySQL

7 Ways to Optimize High-Traffic in MySQL

You might face a sudden spike in your traffic in MySQL, and this can be due to many reasons. When the load in your system increase, you would experience a delay in response time, your database will be unavailable, etc, so make sure you mitigate these error as soon as possible. You can try any of these methods to optimize high traffic in MySQL.

Optimize high traffic in MySQL using
these easy ways:

1) Scale your Cloud Instance Size

Going to a
larger instance size in the cloud or any virtualized environment is often the
easiest thing to do. It is a short-term step that you can take while
implementing other performance optimization actions and it is one of the most
expensive things.

Note: It is not necessary that if the cloud vendor has a large instance for about 10x, it can handle 10x traffic, so make sure, you don’t jump to such a conclusion.

2) Disabling Heavy Load Features

and development teams generally despise such concepts, yet they are an
effective tool to have. Not all software features give the same value or use
with the same frequency, but it is advanced, rarely used features are
frequently the most expensive since they haven’t had much time to be optimized.
Temporarily disable, while you deal with traffic spikes or find a time to improve
them is often a good idea.

It does not
have to be user-facing features; consider whether there are any internal-facing
reports that you can do without?

3) Examine Background Task

activities such as backup, maintenance, report generation, and large data loads
are frequently underutilized. They can run in a slower time when the MySQL
Server can manage the additional load. They might cause database overload and
download during traffic spikes.

Overlap or
snowballing is another issue with background jobs running during traffic spike
events. If your background task generally runs 15 minutes and you scheduled two
of them at 2 & 3 a.m., one of them will usually operate at a time. However,
due to the increasing load, it may now take two hours to complete and may have
numerous background tasks running simultaneously, causing additional load and
possible data corruption.

Analyze your background activity and ask the below questions:

  • Is this background task needed, or can it be postponed?
  • Is it possible to execute this job on a replica? Having a different job run on separate duplicates can be a good option!
  • Have you planned your batch jobs to avoid overlapping?
  • Is it possible to optimize a background task? Optimize the queries it uses, or if you are taking a backup with mysqldump, utilize Percona Xtrabackup, which is more efficient.

Can you
minimize the resources used by this job? Limiting the concurrency (number of
concurrent connections) that a process generally uses, for example.
Alternatively, if you use Percona Xtrabackup and it affects your server performance,
you may Throttle Backups.

4) Configuring Application Server

It is
necessary to select the proper settings on your application server-side while
configuring MySQL Server. If you’re using TLS/SSL for database connections, you
should ensure that you’re using permanent connections rather than re-connecting
for every limited transaction. When you’re using a connection pool, make sure
it’s correctly configured and that you’re not using ProxySQL or Threadpoo.
Recommendations will vary for specific performance optimization based on the
programming language, Connection pool used, or ORM framework.

5) Configure MySQL Server Properly

Check if your
MySQL server is configured properly, if not you need to fix that first. Fixing
the basics will save you during heavy traffic and aid performance for your

6) Complete Database Maintenance

You need to
check your database statistics and ensure it’s not outdated. Check if the
tables are in the optimal state. If not run the below command:

TABLE on your tables. This will re-build, become more efficient and update the

To run
OPTIMIZE for all tables.  Use mysqlcheck
–optimize -A.

Note: Make
sure you don’t run this during a high load instead you can try removing the
replicas one by one.

7) Deploying More MySQL

Another way is based on the workload you have, whether it is ‘read intensive’ or ‘write intensive’ workload. If it’s read-intensive then you can deploy more replicas, which will improve the performance, and also check to see if your application can allow traffic to them.

Note: MySQL replication is asynchronous, route queries only replicate to date, so monitor for replication lag and health.

Hope this was helpful to optimize high traffic in MySQL. Identify which works for you; if not you can get assistance from our Database Administrator who can help you improve the performance.

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