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New export-import RFC and 91x faster PK filtering | Greptime Biweekly Report - No. 75

Data export-import feature enhancement. Primary key filter performance improved. Garbage collection worker handles dropped regions

Summary

Development period: 2026-01-12 - 2026-01-25

GreptimeDB continues to grow as an open-source project, thanks to our global community of contributors.

Below are the highlights from recent commits:

  • New RFC proposed for data export-import feature enhancement
  • Primary key filter performance improved, up to 91x
  • Garbage collection worker handles dropped regions

Repartition-related modules continue to be optimized. RC1 is coming soon! We recommend users on previous versions upgrade to the latest for an improved experience.

Contributors

Over the past two weeks, 9 contributors merged a total of 40 PRs.

Highlights of Recent PRs

db#7467 feat(cli): support RaftEngine store backend for metadata snapshot operations

Greptime CLI now supports exporting metadata to local files (backed by RaftEngine) and importing them.

db#7499 feat: export import v2 rfc

We're redesigning GreptimeDB's data export-import feature — feedback welcome!

db#7584 perf: accelerate pk filter

Optimized GreptimeDB primary key (PK) filtering with up to 91x performance improvement!

db#7593 ci: release only large page size binary for ARM platform

After careful consideration, we've decided to release only large page (64K) binaries for the ARM platform.

db#7537 feat: gc worker on dropped region

Garbage collection task now supports cleaning up dropped regions by skipping manifest validation and performing full file listing when regions are no longer active.

Good First Issue

Issue#7314 Feature Request: Add built-in daemon mode to keep GreptimeDB running independently of shell sessions

  • Add a --daemon CLI flag to allow GreptimeDB to run as a background process independently of shell sessions, similar to Redis's daemonize option.
  • Keywords: CLI, Process Management
  • Difficulty: Medium

Issue#7603 Support WITH (timeout/wait) for DDL statements

  • Add timeout options with WITH keyword in DDL.
  • Keywords: SQL parser, DDL
  • Difficulty: Medium

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