OceanBase v4.2.5_CE_BP7_HF1: Stability and Performance Fixes
OceanBase released version v4.2.5_CE_BP7_HF1 on March 6, 2026. This maintenance release focuses on resolving memory-related crashes, optimizing PL function execution, and fixing operational issues in specific database scenarios.
Key Version Details
- Version: V4.2.5_CE_BP7_HF1
- OBServer RPM: oceanbase-ce-4.2.5.7-107010012026030415
- Commit: 26a1b1a
- Release Date: 2026-03-06
Stability and Memory Fixes
This release addresses several memory access violations and leaks that could lead to system instability:
- Bypass Import Crash: Fixed a core dump issue in bypass import operations when type conversion occurred on fast delete columns.
- Merge JOIN Memory Bloat: Resolved memory inflation during Merge JOINs on large datasets where the joined tables contain no duplicate values, specifically affecting Primary Key and Unique Index columns.
- Temporary File Memory Leak: Fixed a memory leak associated with temporary file disk writes in certain scenarios.
- Meta Tenant Memory Usage: Addressed high memory occupancy in the Meta tenant when data is written in large volumes over a specific period.
Performance Improvements
- PL Function Execution: Resolved a performance regression where PL functions would repeatedly Store/Reset during execution due to environment mismatches between compilation and runtime.
- SQL Hard Parse Timeout: Fixed scenarios where SQL execution would timeout due to hard parsing issues.
Operational and Upgrade Fixes
- Drop Table Error 4038: Fixed an error preventing Drop Table operations on tables containing Noorder auto-increment columns when the tenant node had not flushed Leader Location.
- OCP CPU Spikes: Resolved high CPU usage on OBServer when accessing internal tables via the OCP statistics information collection page during frequent Truncate operations on single partition tables.
- Upgrade Script: Fixed an anomaly with the
-tparameter in upgrade scripts.