Version information
Release date: May 18, 2021
Version: V3.1.1
RPM version: oceanbase-3.1.1-20210508100750
Overview
OceanBase Database V3.1.1 is a beta version. It is used for proof of concept (POC) in internal and external projects.
Enhanced features
The synchronous write logic of clog files is optimized. The use of shared memory is disabled. The reliability of log data in case of database faults is improved.
The queue size of the
gv$sql_auditview is optimized to support the caching of 10 million records.The values of the
execute_timeandget_plan_timefields in thegv$sql_auditview are optimized.The
ASIN()andACOS()functions are supported in MySQL mode.
Fixed issues
Garbled characters are generated at the client during the conversion of character sets of the
LOBtype columns when row records are returned.If the
EXISTSsubquery containsNULLorCOUNT(*), the result set is incorrect.The SQL execution plan fails to hit the plan cache because of the sensitive matching of sorting rules.
The execution of the
SHOW VARIABLES LIKE '%%'statement takes a large portion of time.The
4179error is returned when theupgrade_checkerscript is executed during the upgrade of both primary and standby clusters.