Hologres:V4.0.33 Release Notes

Severity

Title

Description

Affected versions

Workaround

P2

Fixed partition pruning pointer escape.

A pointer escape in partition pruning logic could cause instability.

V4.0 and later

Upgrade to V4.0.33 or later.

P2

Fixed table group warehouse loading bypassing replica count limit check.

hg_table_group_load_to_warehouse bypassed the hg_experimental_enable_check_replica_count_limit restriction.

V2.0 and later

P2

Fixed use-after-free in ForeignTableExecutorAccessor::GetNext due to shared_ptr lifetime defect.

Improper shared_ptr lifetime management in ForeignTableExecutorAccessor::GetNext caused a use-after-free issue.

V3.0 and later

P2

Fixed FE Binlog consumption memory leak.

Memory leaked during FE Binlog consumption.

V4.0 and later

Switch to FE-based Binlog consumption.

P2

Fixed empty ORC files with zero stripes maxing out CPU during row count retrieval.

ORC files with zero stripes consumed 100% CPU when retrieving row_count.

V3.2 and later

Upgrade to V4.0.33 or later.

P2

Fixed Paimon external table queries getting stuck.

Paimon external table queries could hang in certain scenarios.

V3.2 and later

P2

Fixed change reader getting stuck on underlying errors.

Underlying errors could cause the change reader to hang.

V3.1 and later