v4.2.1_CE_BP3_HF1

Version information

Information	Description
Release date	January 25, 2024
Version	V4.2.1_CE_BP3_HF1
Commit number	37a4c62
OBServer RPM version	oceanbase-ce-4.2.1.3-103010052024011916

Bug fixes

• Fixed the issue where calling the DBMS_MONITOR package with decimal type data would result in an Incorrect arguments to control info error.
• Fixed the issue where time-to-live (TTL) tasks in OBKV failed when the table contains LONGTEXT columns.
• Fixed the issue where the insertOrUpdate operation on the OBKV client failed to write data when an auto-increment column of the table was used as the primary key and secondary indexes existed.
• Fixed the issue where a core dump occurred on an OBServer node due to the lack of null pointer check when the OBServer node processed the driver code of Alibaba Cloud Object Storage Service (OSS).
• Fixed the issue where the paging query performance was low due to an inappropriate execution plan in a scenario where the ORDER BY and LIMIT clauses were used.
• Fixed the issue where the major compaction for the standby tenant could be stuck when a backup task and a medium-priority compaction task were concurrently executed.
• Fixed the issue where the query performance was downgraded when a large number of SSTables were involved in major compactions during a transfer operation.

版本信息

项目	描述
发布日期	2024-1-25
版本号	V4.2.1_CE_BP3_HF1
Commit 号	37a4c62
OBServer RPM 版本号	oceanbase-ce-4.2.1.3-103010052024011916

缺陷修复

• 修复调用 DBMS_MONITOR 包传入小数类型数据报错 Incorrect arguments to control info 的问题。
• 修复表中包含 LONGTEXT 列时，OBKV 的 TTL 任务执行失败的问题。
• 修复当表中自增列作为主键且存在二级索引时，使用 OBKV 客户端的 insertOrUpdate 接口写入失败的问题。
• 修复 OBServer 内部在处理 OSS 驱动代码时，缺少的空指针判断，导致的 OBServer Core 的问题。
• 修复 order by + limit 分页场景下，由于执行计划不优导致查询性能慢的问题。
• 修复备份和 medium compaction 并发时，可能导致备租户合并卡住问题。
• 修复 Transfer 期间转储 SSTable 个数比较多时，查询性能下降的问题。