A Cloud Story

Shota Papiashvili

November 9th, 2020

About Me

CTO @     

Shota Papiashvili

About Walla

About Walla

• >9M Monthly unique visitors
• >70M Monthly Page Views
• >1.7PB Storage
• >1.5M Active email accounts
• 8 Native Apps

Walla before 

• 20+ years of legacy
• 200m Data center
• ~Low site redundancy
• High dependencies on IT
• Big IT Team (9 EEs)
• 2.3 PB storage rack

Migration - Technical

Migration

• Lift and shift VS Fix and shift
• How we move 2.3Pb to Ireland?
• Monitoring
• Abnormality detection
• Databases - replica?
• Gradual cutover

Walla After

Walla After

• From IT to DevOps
• Removing IT dependencies
• Cloud speed
• Fast POC
• Agility
• Focus

Thank You!

Shota Papiashvili

@shotapa          shotap