Summary:

In this episode, we chat to Matt Butrovich about his research on database proxies. We discuss the inefficiencies of traditional database proxies, which operate in user-space, causing overhead due to buffer copying and system calls. Matt introduces "user-bypass" which leverages Linux's eBPF infrastructure to move application logic into kernel-space. Matt then tells us about Tigger, a PostgreSQL-compatible DBMS proxy, showcasing user-bypass benefits. Tune in to hear about the experiments that demonstrate how Tigger can achieve up to a 29% reduction in transaction latencies and a 42% reduction in CPU utilization compared to other widely-used proxies.

Links:

• Matt's homepage
• VLDB'23 paper
• Tigger's Github repo

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