apache/paimon

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Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.

Stars: 3.4k
Forks: 1.4k
Open beginner issues: 0
Indexed issues: 649
Avg merge: 1d 11h
Merged PRs (30d): 396

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

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645 open issues indexed

[Feature] Add options for sorted file store Open

enhancement

apache/paimon#4018 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Convert timestamp_ltz field contents using local time zone Open

bug

apache/paimon#4030 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Support lance file format Open

enhancement

apache/paimon#4076 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Flink cdc produces tags based on the generation time of mysql binlog Open

enhancement

apache/paimon#4080 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Use java11 as default compiler Open

enhancement

apache/paimon#4140 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Bump caffeine version to 3.x.x Open

enhancement

apache/paimon#4141 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] add uuid as the table unique identity Open

enhancement

apache/paimon#4147 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Support to read the append queue table in order in batch mode Open

enhancement

apache/paimon#4148 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Incorrectly including tables matching excludingTablePattern in combined mode cdc Open

bug

apache/paimon#4163 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Query SQL Audit Open

enhancement

apache/paimon#4174 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] ConfigOption add sinceVersion Open

enhancement

apache/paimon#4188 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Feature] Support for the create table like syntax of the spark sql engine Open

enhancement

apache/paimon#4216 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] AppendOnly Table use managed memory write throws error：java.lang.IllegalArgumentException: The fraction of memory to allocate should not be 0. Please make sure that all types of managed memory consumers contained in the job are configured with a non-negative weight via `taskmanager.memory.managed.consumer-weights` Open

bug

apache/paimon#4232 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] shrink Paimon format package size Open

enhancement

apache/paimon#4242 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] when Dedicated Compaction use combined mode, restore from checkpoint ,then error：This exception is intentionally thrown after committing the restored checkpoints By restarting the job we hope that writers can start writing based on these new commits. Open

bug

apache/paimon#4267 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Introduce prefix scan. Open

enhancement

apache/paimon#4317 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] When using mysql-CDC Database synchronization Action On Combined Mode, mysql field changes cause tasks to wait indefinitely Open

bug

apache/paimon#4324 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] enable self-define MergeEngine Open

enhancement

apache/paimon#4342 · 3 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
[Bug] Spark Streaming support toTable method Open

bug

apache/paimon#4355 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Failed to execute delete with an append table by a timestamp condition statement, error "failed to parse timestamp datatype value" Open

bug

apache/paimon#4364 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Trino cannot create tables Open

bug

apache/paimon#4369 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Query service process record repeatedly Open

bug

apache/paimon#4379 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] spark module MigrateTableProcedureTest#(migrate partitioned table with null partition) failed in idea. Open

bug

apache/paimon#4382 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] support iceberg rest catalog for iceberg compatibility Open

enhancement

apache/paimon#4394 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Add empty commit options to support some situation Open

enhancement

apache/paimon#4422 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Use paimon cache instead of caffeine2 Open

enhancement

apache/paimon#4441 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Avoid deprecated APIs removed in Flink 2.0 Preview Open

enhancement

apache/paimon#4442 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Optimize parquet nested col read performance Open

enhancement

apache/paimon#4447 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] [Doc] When new features are added, the docs should updated simultaneously Open

bug

apache/paimon#4451 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Exception thrown when processing the DELETE cdc record in canal-json with the paimon-action-jar Open

bug

apache/paimon#4453 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Add the flink jobid field to the files metadata table Open

enhancement

apache/paimon#4490 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Supports specifying hive environment parameters when altering table Open

enhancement

apache/paimon#4507 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] java.lang.NoSuchMethodError: org.apache.parquet.hadoop.ParquetFileReader.<init> when running BranchSqlITCase in IDEA Open

bug

apache/paimon#4517 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Using bitmap index to accelerate the query Open

enhancement

apache/paimon#4530 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.paimon.shade.com.github.luben.zstd.ZstdInputStreamNoFinalizer Open

bug

apache/paimon#4531 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Write paimon table with hive engine by MR got exeception Open

bug

apache/paimon#4537 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Job cannot recover from checkpoint/savepoint if parallelism is changed from 1 to 2 Open

bug

apache/paimon#4543 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Use hive cannot insert data from not partition table to a partition table. Open

bug

apache/paimon#4550 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] Clarify full-compaction changelog integrality Open

enhancement

apache/paimon#4551 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Hive DDL and paimon schema mismatched Open

bug

apache/paimon#4556 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] CDC Ingestion should support -U and +U messages Open

enhancement

apache/paimon#4572 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Support equals()&hashcode() in FlinkTableSinkBase Open

enhancement

apache/paimon#4577 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] delete from doesn't work with deletion-vector Open

bug

apache/paimon#4588 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] hive test `testReadExternalTableNoPartitionAppendOnly` failure in JDK 11 Open

bug

apache/paimon#4602 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Transaction isolation that supports the Serializable isolation level Open

enhancement

apache/paimon#4616 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Row field descriptions are ignored when creating tables with Flink SQL Open

bug

apache/paimon#4642 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Precision Loss in `castFromStringInternal` for Valid Float Values (e.g., -0.0009163) Open

bug

apache/paimon#4656 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Support hadoop3 Open

enhancement

apache/paimon#4665 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Aggregation table retract issue Open

bug

apache/paimon#4670 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] set `sink.savepoint.auto-tag=true`, when I trigger a savepoint, cannot create a tag named `savepoint-${savepointID}` Open

bug

apache/paimon#4677 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/paimon

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