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Apache Cloudberry Incubation Report - May 2026
Apache CloudberryMay 12, 2026
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This Cloudberry incubation report summarizes our major progress from February 2026 to April 2026. It is adapted from the Apache Incubator Report May 2026, with some modifications for readability.

Cloudberry​

Cloudberry is an advanced and mature open-source Massively Parallel Processing (MPP) database, derived from the open-source version of Pivotal Greenplum Database®️ but built on a more modern PostgreSQL 14 kernel, whereas Greenplum is based on PostgreSQL 12. This upgrade brings enhanced enterprise capabilities, making Cloudberry well-suited for data warehousing, large-scale analytics, and AI/ML workloads.

Cloudberry has been incubating since 2024-10-11.

Three most important unfinished issues to address before graduating:​

  1. Grow the contributor and community to ensure long-term sustainability.
  2. Publish a few more Apache releases following the ASF release processes.

How has the community developed since the last report?​

  • The community continued the Apache Cloudberry bi-weekly community meeting, holding five public meetings from February to April 2026. These meetings covered release coordination, kernel upgrades, ecosystem projects, testing strategy, events, and open community topics.
  • New Committers: Xiaoyu Liu (@misterRaindrop), Nikolay Antonov (@ostinru), Robert Mu (@robertmu)
  • New PPMC Member: Leonid Borchuk
  • Community channels:
    • Created a new Slack workspace and a new Discord server after the previous Slack workspace became unavailable.
    • Updated the website and planned updates across related repositories to point users to the current communication channels.
  • Governance and community process:
    • Started discussion on an AI conduct policy to guide responsible use of LLM tools while following ASF copyright and attribution expectations.
    • Added a website page documenting how to invite new PPMC members.
  • Events and outreach:
    • Community Over Code Asia 2026: around 11 Cloudberry-related proposals, now waiting for the review results. Plan to organize one in-person community gathering in Beijing during the conference.
    • A Cloudberry meetup was organized in Moscow, with public recordings and a Russian Habr article bringing more user feedback to the community.
    • Two community members were confirmed as PGConf.dev 2026 speakers.
  • New contributors appeared in community discussions and PRs, including contributions around Cloudberry Backup, PXF, and core repository features.

How has the project developed since the last report?​

  • Released Apache Cloudberry (Incubating) 2.1.0 in April 2026, the project's second Apache release after entering the ASF Incubator. Convenience RPM/DEB packages and binary packages were provided for the first time. Manual packages were made for 2.1.0, and automation is being considered for 2.2.0.
  • PostgreSQL kernel upgrade:
    • Started the PostgreSQL 14.x minor-version upgrade work for the 2.x release branch. The branch progressed from PostgreSQL 14.4 through 14.8, with later 14.x updates being tracked in the project Kanban.
    • Continued the PostgreSQL 16 kernel upgrade on the work development branch. This work is expected to be completed by the end of Q2 2026.
    • Fixed PostgreSQL upstream CVEs and security-related patches, including libpq SSL/GSS negotiation error handling.
  • Core project improvements:
    • Merged the diskquota extension into the main repository.
    • Added the gp_stats_collector extension, improving observability and laying groundwork for dashboard related work.
    • Added AQUMV exact-match support for multi-table JOIN queries.
    • Started discussion on an Iceberg subsystem for datalake_fdw.
  • CI, testing, and platform support:
    • Added Ubuntu 24.04 Docker image and test matrix support.
    • Continued Rocky Linux 10 support work, with initial build docker images. The related test matrix support is to be added.
    • Started discussion on rethinking the testing strategy for better test efficiency and coverage.
    • Upgraded Go to 1.24 in Cloudberry development images and related ecosystem repositories. Newer Go version support is in the discussion.
    • Started adding Behave tests for gpMgmt tools (WIP).
  • Ecosystem and sub-repositories:
    • cloudberry-pxf:
      • Started a roadmap discussion for the PXF project.
      • Released 2.1.0, the first Apache release for PXF.
      • Renamed Java packages from org.greenplum to org.apache.cloudberry and updated ASF compliance files.
      • Added Java 17 support and Rocky Linux 9 CI support.
      • Removed gradle-wrapper.jar from source release artifacts and download/verify it during build for ASF license compliance.
      • Added or improved JDBC tests using Testcontainers for ClickHouse, MS SQL, and Oracle.
      • Upgraded dependencies including Apache AVRO, Apache ORC, Parquet, and HBase related components, and discussed Java 21 support.
    • cloudberry-backup:
      • Released 2.1.0, the first Apache release for gpbackup.
      • Completed migration work from legacy Concourse CI to GitHub Actions.
      • Added ASF release script support and Cloudberry 2.1 compatibility.
      • Started a roadmap discussion for the backup project.
      • Merged gpbackman-related backup management work. The Prometheus exporter for the gpbackup history database work is in the review process.
    • cloudberry-go-libs:
      • Tracked a security issue and dependency update needed by related backup tooling.
    • Apache MADlib:
      • Continued collaboration with Apache MADlib to add Apache Cloudberry support upstream, with community discussion ongoing. See: https://s.apache.org/bsu9m
  • Next release: Started early discussion for Apache Cloudberry 2.2.0, including release manager, release process documentation, packaging automation, and testing strategy.

How would you assess the podling's maturity?​

  • Initial setup
  • Working towards first release
  • Community building
  • Nearing graduation
  • Other:

Date of last release:​

  • April 14, 2026 - Apache Cloudberry (Incubating) 2.1.0

When were the last committers or PPMC members elected?​

  • March 24, 2026 - Xiaoyu Liu (@misterRaindrop), Nikolay Antonov (@ostinru), Robert Mu (@robertmu) were announced as new committers.
  • April 07, 2026 - Leonid Borchuk was announced as a new PPMC member.

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Apache Cloudberry is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.

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