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THE DAILY INDEX

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NEWS & TRENDS

TLDR IT

CHASING THAT 32 MS TAIL LATENCY IN CLICKHOUSE

Engineers at ClickHouse investigated why simple SELECT queries experienced an unexpected 32 ms tail latency after idle periods on high-RTT networks. They discovered that unbatched metadata packets sent alongside result data quickly exhausted the TCP congestion window after it had been reset to its initial size during idleness. To resolve the issue, ClickHouse implemented application-level batching for these metadata packets, effectively halving the TCP segment count and eliminating the tail latency penalty.

WORKDAY MAKES SANA ITS INTERFACE, LAUNCHES AGENT HARNESS, DECISION, AND WORK INTELLIGENCE

Workday announced at Workday Rising that it has made Sana the primary front-door interface for its platform and launched Agent Harness to let enterprises build secure AI agents for finance and HR data. The company also introduced ambient agents like the Talent Acquisition Agent, Workday Decision Intelligence, and Workday Work Intelligence. CEO Aneel Bhusri stated that Workday is refounding itself around artificial intelligence with a startup mindset.

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