WordPress Multisite Optimization and Server Configuration

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I am looking for someone who is an EXPERT in Wordpress Multisite Optimization and Linux Server and PHP configuration.

I am running a WordPress Multisite on a Linode Linux VPS (4GB RAM, 4xCPU). Recently, I’ve experienced server crash down problem constantly and the loading time at the backend is very long. These problems happen especially when we are updating post at the backend.

My site is running on Apache + Nginx configuration, with memcached and WP-FFPC plugin enabled. We have more than 10K posts and tons of photos. The WP-Post database table is quite long, with more than 130K entries.

You are responsible for:

1. Investigating the problem

You are responsible for investigating what is causing server crashes and what is consuming the RAM. If it is a plugin problem, you have to test each plugin. If it is a theme problem, you have to clean the theme code. If it is a MySQL problem, you have to know how to optimize the database OR split the long WP table into different tables OR set up a standalone database server (we have one spare VPS to use).

2. Reconfiguring the service in a brand new VPS

As our server is set up by another technician, it is running on Apache + Nginx configuration. You have to reconfigure an Nginx only system in a brand new VPS (we have one spare VPS to use).

3. Optimizing WP Performance

You are also responsible for optimizing the WP for faster performance. We are currently using WP-FFPC (memcached) plugin for caching. You should have excellent knowledge in WP caching. Varnish may also need to be installed. I want the response time load at the front end to be under 1 second.

5. Testing and ensuring everything goes well and no downtime during server migration

You have to make sure everything goes well before migrating the site to the new server and ensure no downtime during server migration.

6. Providing 30 Days follow-up service support.

To be more clear, I have 3 standalone Wordpress installations in the same server.

1. WP Main site (subcategory multisite enabled) (Only this one has traffic in it; Average 20K pageviews daily)

2. A subdomain WP site ( subcategory multisite enabled) (0 Traffic, not yet launched, for future use)

3. Another subdomain WP site (non-multisite) (0 Traffic, not yet launched, for future use)

The network needs to run as smoothly as possible and is able to handle 200+ visitors onsite at the same time (There may be a lot more visitors when scaling up in the future). There will be multiple domains running on the same network using domain mapping.

The candidate must:

Be excellent in Wordpress "Multisite" Configuration

Be excellent in Wordpress Performance Optimization

Be excellent in Wordpress Caching

Be excellent in Linux Server setting

Be excellent in PHP

Be excellent in MySQL

This project had been awarded to two different technicians before, but none of them has successful eliminate all of the problem. Please bid if you are only EXPERT in the above fields.

Skills: MySQL, Nginx, PHP, WordPress

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Project ID: #5318777

27 freelancers are bidding on average $546 for this job

gopalvora

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epark

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zeke

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7.0
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pytho

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jamesinsoft

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Batista111

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sptechnocrats

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