Frequent question: How do I fix a slow running Linux server problem?

What do I do if Linux server is slow?

Limit the amount of memory the app is using (for example, on a web server, limit the number of processes available to serve requests) until the condition abates, or add more memory to the server. App is slow because the server is doing lots of I/O. Look for high values of IO/bi and IO/bo, and CPU/wa.

How do I troubleshoot Linux server performance issues?

Performance problems are caused by bottlenecks in one or more hardware subsystems, depending on the profile of resource usage on your system. Some elements to consider (in roughly sorted order):

Troubleshooting performance issues in Linux

  1. buggy software.
  2. disk usage.
  3. memory usage.
  4. CPU cycles.
  5. network bandwidth.

What can cause a server to run slow?

Now, let’s look at the three biggest causes of server slowdown: CPU, RAM, and disk I/O. CPU usage can cause overall slowness on the host, and difficulty completing tasks in a timely fashion.

What would you check if a Linux build server suddenly starts getting slow?

If a linux-build-server suddenly starts getting slow, I would divide my approach / troubleshooting into 3 section as follows;

  1. System Level troubleshooting. a. RAM related issues. b. …
  2. Application Level troubleshooting. a. Application is not behaving properly. …
  3. Dependent Services troubleshooting.

How can I tell if my Linux server is slow?

Slow Server? This is the Flow Chart You’re Looking For

  1. Step 1: Check I/O wait and CPU Idletime. …
  2. Step 2: IO Wait is low and idle time is low: check CPU user time. …
  3. Step 3: IO wait is low and idle time is high. …
  4. Step 4: IO Wait is high: check your swap usage. …
  5. Step 5: swap usage is high. …
  6. Step 6: swap usage is low.

How can I speed up my server?

Part 1: Make Your Server Faster

  1. Upgrade to a better web host (ie. a better server) …
  2. Switch from shared hosting to a VPS. …
  3. Move the server closer to your audience. …
  4. Use a content delivery network. …
  5. Activate the ‘keep alive’ setting. …
  6. Reduce round trip time (RTTs) …
  7. Enable compression on your website. …
  8. Optimize your images.

What is a Linux command to show if your CPU is having problems?

The vmstat command will display statistics about system processes, memory, swap, I/O, and the CPU performance. For displaying statistics, the data is collected from the last time the command was run to the present. In case the command never being run, the data will be from the last reboot to the current time.

How do I check server performance issues?

Troubleshoot server performance problems

  1. Check the server type and ensure that it has the necessary CPU and RAM resources to meet your application requirements and user load.
  2. Check if your application is using a cache. …
  3. Check if there are any cron jobs running on the server and consuming resources.

How do you find the performance issue?

If you suspect your employees’ performance is becoming an issue, here are some ways to identify potential problems in the workplace.

  1. Examine Past Mistakes. …
  2. Take Note of Employee Absences. …
  3. Evaluate Employee Engagement. …
  4. Make Punctuality a Priority. …
  5. Get Help Finding High-Performing Employees.

Why is my Linux running slow?

Your Linux computer could be running slow for any one of the following reasons: Unnecessary services started at boot time by systemd (or whatever init system you’re using) High resource usage from multiple heavy-use applications being open. Some kind of hardware malfunction or misconfiguration.

How do I deal with a slow server?

7 Ways to Reduce Server Response Time

  1. Use Reliable and Fast Web Hosting.
  2. Use a CDN.
  3. Optimize Databases.
  4. Keep WordPress Lightweight.
  5. Monitor PHP Usage.
  6. Configure Caching.
  7. Minify Scripts.

How would you troubleshoot a slow server?

Slow Website Troubleshooting Checklist

  1. Clean up your website’s code. Remove unnecessary elements such as white spaces, comments and inline spacing.
  2. Check your PHP version. …
  3. MySQL Server: Find slow-executing queries. …
  4. Analyze slow website content. …
  5. Speed up your site performance. …
  6. Check your content.
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