Scaling out with WordPress
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This document summarizes strategies for horizontally scaling a WordPress site. It discusses adding more servers to distribute load, including adding web servers, database servers, storage servers and load balancers. It also covers topics like database replication, shared storage, caching, logging, monitoring, email delivery and containerization. The goal of horizontal scaling is to improve availability, fault tolerance and cost efficiency compared to vertical scaling of a single server.
Scaling out with WordPress
- 1. Scaling out with WordPress Konstantin Kovshenin
- 6. Shared Hosting Web Server Database Server Mail Server
- 7. Making Changes File Manager WordPress Dashboard FTP/SSH
- 9. Vertical Scaling More CPU More RAM More Disk
- 10. Dedicated, VPS
- 11. But we’re in the CLOUD now! Same sh*t…
- 12. Vertical Scaling Easy Downtime Physical limitations Some things don’t scale One server
- 15. Just
- 16. Just add
- 17. Just add more
- 18. Just add more SERVERS!
- 19. Horizontal Scaling Less limitations High availability & fault tolerance Cost efficiency Complexity
- 27. en.wikipedia.org/wiki/Network_File_System gluster.org ceph.io github.com/humanmade/S3-Uploads github.com/s3fs-fuse/s3fs-fuse aws.amazon.com/storagegateway/file/s3/ Media NFS GlusterFS Ceph S3 / S3 Uploads / FUSE / Gateway
- 28. Load Balancer
- 31. 2x Load Balancers 2x Web Servers 2x Database Server 2x Storage Servers
- 32. github.com/features/actions circleci.com capistranorb.com ansible.com fabfile.org aws.amazon.com/codestar cloud.google.com/build Deployment GitHub Actions, CircleCI Capistrano, Ansible, Fabric AWS CodeBuild, CodeDeploy Google Cloud Build/Deploy
- 33. Backups Source control Shared storage backups Database snapshots Configuration backups
- 34. vs £200 £1600
- 35. vs £200 £1600
- 36. Latency
- 41. Page Caching Batcache Cache at LB Cache at CDN github.com/Automattic/batcache nginx.org/en/docs/http/ngx_http_proxy_module.html
- 46. cloud.google.com/logging learn.microsoft.com/en-us/azure/azure-monitor/overview aws.amazon.com/cloudwatch Cloud Google Cloud Logging Microsoft Azure Monitor Amazon CloudWatch
- 47. Containers
- 49. Just
- 50. Just add
- 51. Just add more
- 52. Just add more CONTAINERS!
- 53. Getting Started VirtualBox KVM, virt-manager XenServer Docker Compose, Minikube virtualbox.org en.wikipedia.org/wiki/Kernel-based_Virtual_Machine virt-manager.org xenserver.com docs.docker.com/compose minikube.sigs.k8s.io/docs
- 54. kovshenin@gmail.com konstantin.blog humanmade.com Photos from unsplash.com Icons from flaticon.com
- 55. fin