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[Bug] Write and compaction performance significantly degraded when writing to highly partitioned tables

bugSomething isn't workingSomething isn't working

Status: Open.

#7030 In apache/paimon;

· mao-liu opened on Jan 13, 2026

[Bug] We should change the default manifest format to parquet.

bugSomething isn't workingSomething isn't working

Status: Open.

#7029 In apache/paimon;

· LinMingQiang opened on Jan 13, 2026

[Bug] manifest.delete-file-drop-stats causes empty stats after compaction

bugSomething isn't workingSomething isn't working

Status: Open.

#7026 In apache/paimon;

· mao-liu opened on Jan 13, 2026

[Feature] Introduce Data Evolution MergeInto procedure for Flink

enhancementNew feature or requestNew feature or request

Status: Open.

#7019 In apache/paimon;

· steFaiz opened on Jan 13, 2026

[Feature] Introduce a new vector data type

enhancementNew feature or requestNew feature or request

Status: Open.

#7011 In apache/paimon;

· ColdL opened on Jan 12, 2026

[Bug] ExpireSnapshotsImpl: new readers from earliest may see incomplete snapshot during expiration

bugSomething isn't workingSomething isn't working

Status: Open.

#6978 In apache/paimon;

· wzhero1 opened on Jan 8, 2026

[Bug][PyPaimon] IndexError: index out of range when reading manifest with empty _MIN_VALUES

bugSomething isn't workingSomething isn't working

Status: Open.

#6962 In apache/paimon;

· klboke opened on Jan 6, 2026

[Bug] Batch Compaction error

bugSomething isn't workingSomething isn't working

Status: Open.

#6955 In apache/paimon;

· Gitxu233 opened on Jan 6, 2026

[Bug] Spark engine fails to generate +U events in changelog when using partial-update/aggregation and lookup changelog-producer

bugSomething isn't workingSomething isn't working

Status: Open.

#6946 In apache/paimon;

· david-shi-bi opened on Jan 3, 2026

[Bug] compact_database parameter mode default value is wrong

bugSomething isn't workingSomething isn't working

Status: Open.

#6934 In apache/paimon;

· sd4324530 opened on Dec 31, 2025

[Bug] REST Catalog API does not work: org.apache.paimon.rest.exceptions.NoSuchResourceException

bugSomething isn't workingSomething isn't working

Status: Open.

#6908 In apache/paimon;

· novakov-alexey opened on Dec 26, 2025

[Bug] Iceberg metadata committer fails with NullPointerException

bugSomething isn't workingSomething isn't working

Status: Open.

#6906 In apache/paimon;

· novakov-alexey opened on Dec 26, 2025