Presto on Baja

Baja

• Publications
  • Publication
  • Delayed Publication
  • Partitioned Publication
• Subscriptions (Event Processing)
  • Subscription
  • Batch Event Processors
  • External Subscription
• Table (Random access Key/Value store in Cosmos)
  • Table
  • Cached Table
  • Aggregate Table

Presto Arch

Management and Tool Support

1. SCOPE Studio - Visual Studio plugin for working with Tables, Publications, Subscriptions, SCOPE jobs, and Cosmos data
2. CosmosTPS - Command line utility for working with Tables, Publications and Subscriptions
3. XTS - AutoPilot tool for monitoring clusters.  Useful for advanced perf analysis of Subscriptions.  See Subscription XTS views

Most Important Services

• MergedImpression.pub​ 
• MergedImpressionPlus.pub
• PrestoImpressionView.view
• SearchLogImpressionDuetView.view

Presto Intraday Job

• scope jobs
• metrics cache for AnE
• join rate commitment (compare to slapi rolling view): 95+%

Fallback Signal

• Handled in SearchLogImpressionDuetView.view
• IcM monitor on VM bingdm01 for Sev2 tickets from AP alerts