Tibero 7.2.4 Release Notes [2025.08]

Note: Refer to "Tibero Administrator Guide" section 4.2.5

Utilizes Bitmap Build during DPL, DPI, INDEX FAST BUILD in cluster environments
Reduces contention and improves performance by minimizing CCC Lock acquisition and decreasing Shared Pool usage

Embeds bcode for PL/SQL execution plans and caches it in Shared Memory
Allows Package modification DDL in other sessions even if a Package Instance access session exists
Improves contention on internal DD queries during PL/SQL calls

Feature to hold statistics without immediately publishing them
Usage examples
- Publish after testing
- Held statistics → can be copied to another DB

Note: Refer to "Tibero tbPSM Reference Guide" DBMS_STATS Pending feature

Allows CREATE / DROP statements to execute without errors depending on object existence

Note: Refer to "Tibero SQL Reference Guide" CREATE/DROP TABLE

Quickly searches only objects where the minimum bounding rectangles of two GEOMETRY objects overlap

Note: Refer to "Tibero Spatial Reference Guide"

If Shared Pool shortage persists beyond a specific time (default 5 minutes)
→ automatically performs operational recovery via cluster manager (tbcm) reboot

Note: See “Installation Guide Appendix H,I”

Changed tibero privileges (removed dba), removed tibero1
Sample schemas: Added LIBRARY / FITNESS (optional)
- Creation/deletion scripts available at: $TB_HOME/scripts/sample_user

Parameter

Parameter name	Before	After	Description
CPU_COUNT	0	TB_MAX(1, get_ncpu())	Specifies the number of CPUs allowed for the instance
TB_CTHR_HEARTBEAT	TB_CTHR_HEARTBEAT_TIMEOUT	TB_CTHR_HEARTBEAT_INTERVAL	Changed client connection check interval
TB_LOG_ARCHIVE_FORMAT	`%s_%t_%s.arc`	`%s_%t_%s.arc` (default unchanged, internal format improved)	Improved log archive filename format handling
TB_CM_DISC_TIMEOUT	300	600	Changed TAC cluster disconnect timeout
TB_LOG_SWITCH_INTERVAL	900	600	Shortened redo log switch interval
TB_LGWR_AIO_ENABLE	FALSE	TRUE	Enabled LGWR asynchronous IO by default
TB_SNAPSHOT_INTERVAL	3600	1800	Changed snapshot creation interval
TB_CCC_REMASTER_PARALLEL	1	4	Changed number of parallel threads for TAC CCC remastering

Parameter name	Default Value	Description
ENABLE_MULTI_LOG_BUFFER	N	Whether to enable Multi Redo Buffer feature
TB_CM_AUTO_RESTART_TIME	300	TAC automatic restart threshold time (seconds) when Shared Pool OOM state persists
TB_LOG_ARCHIVE_PARALLEL	4	Number of threads for log archive parallel processing
TB_AUDIT_FILE_SIZE	100MB	Single audit file size limit
TB_RMGR_BACKUP_SIGNATURE	Y	Whether to generate signature during RMGR backup
TB_LGWR_PARALLEL_IO	Y	Enable LGWR parallel IO feature
TB_REDO_BUFFER_GROUPS	4	Separate Redo Buffers into groups to reduce contention
TB_TCC_COMPRESS_LEVEL	QUERY_HIGH	Default compression level for Columnar Compression
TB_AUTO_PURGE_INTERVAL	600	Recyclebin auto purge interval (in seconds)

Parameter name	Description
TB_EXT_TABLE_CACHE	Removed due to changes in External Table metadata caching feature
TB_CM_HEARTBEAT_INTERVAL	Removed due to integration of CM Heartbeat logic
TB_JDBC_COMPAT_MODE	Removed due to end of support for JDBC versions 1.4/1.6
TB_AUDIT_LOG_LEVEL	Audit settings moved to integrated parameter
TB_STATS_JOB_INTERVAL	Removed due to improvements in Auto Job Scheduler