+1, Thanks for your efforts! On Thu, Feb 5, 2026 at 5:27 PM wangguangxin <[email protected]> wrote:
> *Hi Gluten Community,* > I would like to call for a vote on merging Pull Request #11261, which > introduces the "Bolt" backend to the Apache Gluten (Incubating) project. > *PR Link:* https://github.com/apache/incubator-gluten/pull/11261 > *Summary of Changes:* This PR adds support for a new execution backend > based on the open source "Bolt" repository (github.com/bytedance/bolt) > which includes: > > - Initial integration of the Bolt backend into the Gluten core without > interfering functionality of the existing backends. > - Comprehensive documentation to facilitate the development setup and > smooth transition from other backends. > - Community validated performance results. > > > *Highlights of "**Bolt**" backend:* > > - Performance & Stability > - Generic features like adaptive task parallelism / operator fusion / > JIT and Spark-specific optimization like row-based spilling, shuffle > offload and memory management offload demonstrate significant 22% > performance enhancement over existing gluten backend on the TPC-DS 1T > benchmark. > - Results consistency with Vanilla Spark is verified on 1million+ > daily Spark daily jobs within ByteDance. Known differences like > double type > precision, JSON parse and regex search etc. are re-implemented to > match > Spark / Java behavior as much as possible with reasonable & > deterministic > behaviors. > - Maintenance Commitment: > - Bolt repository is setup to embrace contributions from everyone by > eliminating opaque CI and privileged merge permissions. We > deeply resonate > with the engineering overhead to maintain internal forks against > unpredictable review patterns upstream, so our goal is to provide an > alternative to replace fragmented rebase with high-velocity, unified > development stream. We have observed many examples that have > seriously > hindered the growth of the Gluten community, including but not > limited to > - Stale performance improvement after 6 months: > https://github.com/facebookincubator/velox/pull/14472 > - Stale bug fix ends up in Gluten workaround after 6 months: > https://github.com/facebookincubator/velox/pull/14722 > - Stale bugfix after 12 months: > https://github.com/facebookincubator/velox/pull/11771 > - Stale feature after 15 months: > https://github.com/facebookincubator/velox/pull/11088 > - 2-year review cycle for performance improvement: > https://github.com/facebookincubator/velox/pull/7066 > The Bolt team is committed to ensuring that similar issues > will never occur in the Bolt community. To push for fast > iteration, Github > issues/PR reviews/discussions are currently responded to > within 2 business > days. > - After the merge of the Bolt backend, Bolt team is responsible > for setting up a CI pipeline within the Gluten repository to > ensure quality > & coverage. Besides the existing Gluten committer, > *@guhaiyan0221* *@kexianda > *and *@ZacBlanco *are responsible for maintaining the Bolt backend CI > pipeline stability on all supported hardware platforms. > - Build with community: > - Bolt values “Community over Code” spirit and is collaborating with the > community at early design phase on the following features > - Flink acceleration (*discussion > <https://github.com/bytedance/bolt/discussions/20>*) > - Connector interface for data lake formats (*issue > <https://github.com/bytedance/bolt/issues/107>*) > - Native shuffle with Celeborn (*issue > <https://github.com/bytedance/bolt/issues/13>*) > - Tiered memory manager for spilling & hardware affinity > - … > - We believe the community should own the future of this project. > By nominating early active contributors to committer roles, we are > decentralizing leadership and shaping a governance model built by the > people who use it. This evolution is a critical step toward donating > the > project to an open-source foundation > > > *Review Status:* The PR has received significant feedback and contributions > from several community members. It currently has over 20 commits addressing > style, building scripts, and functional refinements. > > *Voting:* The vote is open until 2026-02-8 23:59:59 (UTC-8). According to > the Apache voting process, we need at least 3 +1 votes from PMC > members/Committers and more +1 than -1 votes in total. > Please vote as follows: > > - *+1:* Approve the merge > - *+0:* No opinion > - *-1:* Disapprove (please provide specific justification) > > Thanks to everyone who has contributed to the reviews and development of > this feature! > > Best regards, > Guangxin Wang >
