apache/gluten

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Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.

Stars: 1.6k
Forks: 657
Open beginner issues: 0
Indexed issues: 893
Avg merge: 2d 21h
Merged PRs (30d): 85

Dominant language: Scala
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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888 open issues indexed

HdfsIOException: RemoteBlockReader does not support CRC32 checksum Open

bug triage

apache/gluten#3470 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Respect prefix when register functions and convert function name Open

enhancement

apache/gluten#3472 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
rapidjson library needs to be installed for velox build but it is not part of the apt-get setup instructions Open

triage

apache/gluten#3473 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support Spark 3.5 & Scala 2.13 Open

enhancement

apache/gluten#3475 · 4 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Evaluate Profile-Guided Optimization (PGO) and LLVM BOLT Open

enhancement

apache/gluten#3478 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[CH] get_json_object parse result different from spark when have special chars like `\uD835\uDE90\uD835` Open

bug triage

apache/gluten#3500 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] Set config `spark.gluten.sql.parquet.maxmin.index` default value as true Open

bug triage

apache/gluten#3505 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fix ignored ut due to conflict with latest clickhosue codes Open

bug triage

apache/gluten#3545 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement WriteFilesExecTransformer discussion Open

enhancement

apache/gluten#3547 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[VL] TPC-H Q15 outputs unstable query results Open

bug triage

apache/gluten#3561 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] fix unstable UT `test hive parquet_orc table, all columns being partitioned` Open

bug triage

apache/gluten#3567 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[VL] Broken metrics from FilterExecTransformer Open

bug triage

apache/gluten#3608 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] Diff when cast double/float to string Open

bug triage

apache/gluten#3675 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] Insert error when the partition value contains space letter Open

bug triage

apache/gluten#3678 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Potential compatibility issues for Spark get_json_object function Open

enhancement

apache/gluten#3723 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[CH] The ut of the GLUTEN-3534 is randomly failed in the `GlutenClickHouseTPCHParquetSuite` Open

bug triage

apache/gluten#3731 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[VL] JVM error on facebook::velox::cache::AsyncDataCache::toString[abi:cxx11](bool) Open

bug

apache/gluten#3755 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[VL] Some corner case for unsupported column of scan Open

bug

apache/gluten#3760 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fuzzer test failures of Spark functions in Velox upstream Open

bug triage

apache/gluten#3813 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] chartype cause projectexec fallback with spark3.4 Open

bug enhancement

apache/gluten#3833 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Build script uses sudo inconsistently Open

triage

apache/gluten#3846 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document / Support running the tests locally Open

enhancement

apache/gluten#3849 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
The output rows before sort is not correct Open

bug triage

apache/gluten#3853 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[VL] ORC related unit tests are failing Open

bug triage

apache/gluten#3855 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Some metric values are negative in FilterExecTransformer Open

bug triage

apache/gluten#3858 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Locally built velox fails with java.io.FileNotFoundException: libboost_context.so.1.74.0 when following guide Open

bug triage

apache/gluten#3859 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Use of ColumnarShuffleManager leads to crash in libgluten.so Open

bug triage

apache/gluten#3868 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH][Parquet] support page pruning on first column Open

enhancement

apache/gluten#3884 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[CH] Support read mergetree metadata read from local Open

enhancement

apache/gluten#3899 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RecordBatch field 0 should be integer when using HashPartitioning Open

bug triage

apache/gluten#3942 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Failed to read from Parquet File(Reason: No decoder to skip) Open

bug triage

apache/gluten#4011 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support the null values in bloom_filter Spark aggregate Open

bug triage

apache/gluten#4021 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] Can't not get sqlconf from spark ut Open

bug triage

apache/gluten#4026 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[VL] Unsupported spark function list [please leave a comment if you plan to pick some] Open

enhancement

apache/gluten#4039 · 93 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] CI UT failed Open

bug CI / CD triage

apache/gluten#4043 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Support JDK 11 and 17 for gluten Open

enhancement

apache/gluten#4058 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
spark-sql-columnar-shims-spark33/34 are missing on maven central repo Open

enhancement

apache/gluten#4070 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Track the limitations and failed unit test list about spark 3.4 native parquet write. Open

enhancement

apache/gluten#4110 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Adding Yarn based tests in GHA Open

enhancement

apache/gluten#4133 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Add minio based test in GHA Open

enhancement

apache/gluten#4150 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL]Three Vulnerabilities issues(icu, guava, snakeyaml) in SONATYPES Open

bug triage

apache/gluten#4162 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
integrated gluen with spark in k8s, occurred this error Open

bug triage

apache/gluten#4186 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] Spark execute muilti tpcds sql (tpcds tt test mode), Gluten report error or crash Open

bug triage

apache/gluten#4196 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Shall we unify the codebase backends-velox and gluten-data ? Open

enhancement

apache/gluten#4201 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Core] Refactoring the pre/post projection logic based on Spark Rule Open

enhancement

apache/gluten#4213 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Revert excluded UTs due to https://github.com/oap-project/gluten/pull/4211 Open

bug CI / CD

apache/gluten#4215 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[VL] Add plan node to convert Vanilla spark columnar format data to Velox columnar format data Open

enhancement

apache/gluten#4241 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[CH] Bug fix set empty_as_default for nullable<String> type field Open

bug triage

apache/gluten#4251 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[GLUTEN-4263][VL] Compression type 2 not supported Open

bug triage

apache/gluten#4263 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[VL] One case of should spill but OOM Open

bug triage

apache/gluten#4275 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/gluten

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