About Me

CTO @     

Shota Papiashvili

Agenda

• About Walla
• Walla before the migration
• Vendor research
• Migration - technical
• Migration process
• Walla After the migration

About Walla

About Walla

• 7.5+M Monthly unique visitors
• 70+M Monthly Page Views
• 1.7+PB Storage
• 3.5+M 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

Vendor research

Vendor research

Technical

• Cost approximation
• Opex vs Capex

business

• Who can do it?

• Who did it before?

• How we will do it? - design

Migration - Technical

Migration Process

• Lift and shift VS Fix and shift
• How we move 2.2Pb 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