Pat Helland - Corecursive Podcast

• https://pca.st/episode/bfa2fa45-ddc9-43c0-9dc7-5f0c38515c03

• Tandem
• Two phase commit is anti-availability
• Separate storage from compte
• Predictable answers mean unpredictable latencies
• Do you want it right or right now
• Business needs should dictate storage strategies but not enough people are thoughtful about this
  • Don’t choose a linearizable/consistent store (only) because it’s hard to reason about your application’s behavior in the face of an inconsistent store
• Immutable data stores - no updates, only appends
• Accountants don’t use erasers
• LSM Tree
  • LevelDB Implementation Notes
  • History of RocksDB
  • The Log-Structured Merge-Tree (LSM-Tree)

Great interview, and I really want to read Pat’s papers now! I’m going to put some on my reading list:

• Life beyond distributed transactions
• Building on quicksand
• Idempotence is not a medical condition