Greptime
greptime.com
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Overview
The open-source observability database. Metrics, logs, and traces in one columnar engine on object storage, queried with SQL and PromQL.
News
Just One Function, 10x Faster? Reading a Rust Performance PR
A walkthrough of a GreptimeDB performance PR that rewrites a single function on the Prometheus remote read path. Borrowing from Arrow arrays instead of materializing strings, and moving allocation from per-row to per-series, made the RecordBatch to TimeSe
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Four Years of GreptimeDB: Looking Back at Decisions, Detours, and the People Along the Way
Four years after open-sourcing GreptimeDB, co-founder Jeremy Feng looks back at the decisions that changed its trajectory - choosing Rust, rewriting the storage engine, unifying metrics/logs/traces - the detours along the way, and what the community taugh
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How We Built Postgres Compatibility in Rust: pgwire and DataFusion
How GreptimeDB builds PostgreSQL compatibility using pgwire and DataFusion, enabling a
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From a Curious Outsider to a GreptimeDB Advocator: My Journey into Open Source Contribution
How Yihong went from a curious newcomer to a top GreptimeDB contributor - learning Rust, optimizing hot paths, and lessons on open-source collaboration.
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