AWS MarketplaceLearn more

Building a 2KB Histogram with Sub -0.2% Percentile Error

A lightweight histogram for tracking latency distributions with 2 KB of memory and sub -0.2% error. It uses float-like encoding for O(1) bucket indexing and trapezoid interpolation for accurate percentile estimation — with no floating-point math on the recording path.

Building a 2KB Histogram with Sub -0.2% Percentile Error

Databend Monthly Report: October 2025 — Production-Ready Stored Procedures

Recent Advances in Databend AI and ML Capabilities

Databend September Monthly Report: AUTOINCREMENT and Row-Level Security

Is Parquet becoming the bottleneck? Why new storage formats are emerging in 2025 (Lance, Vortex, and more)

Why We Built Our Own SQL Parser From Scratch: A Rust Implementation Story

Databend Monthly Report (August 2025)

Rust for Big Data: How We Built a Cloud-Native MPP Query Executor on S3 from Scratch

Implementing a Lock-Free Channel in Rust for Databend’s Query Pipeline

Turn S3 Into Live Data Mesh: Zero-Copy Sharing with Column-Level Security

How We Eliminated Our AWS Lambda Bill in the S3 Data Lake with Databend

Databend Monthly Report (July 2025)

Databend Cloud Makes Data Easy for Everyone

Databend Monthly Report (June 2025)

Why Databend Always Outshines Snowflake for Real-Time Data

Deep Dive into Databend UDF, implementing your data solutions with python, WASM and beyond

Products

Resources

Community

Company

Solutions

Partners