Manual Log Switching Causing "Thread 1 Cannot Allocate New Log" Message in the Alert Log
(Doc ID 435887.1)
Last updated on SEPTEMBER 13, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 and laterOracle Cloud Infrastructure - Database Service
Information in this document applies to any platform.
Oracle Server Enterprise Edition - Version: 10.2.0.1 to 11.2.0.3
Symptoms
When you manually switch the online redo logs with an alter system command as below.
SQL> alter system switch logfile;
System altered.
The Alert log will display the following messages.
Thread 1 cannot allocate new log, sequence 207
Checkpoint not complete
- or -
Thread 1 cannot allocate new log, sequence 746
Private strand flush not complete
Changes
Implemented a scheduler job to manually switch the online redo logs every 15 minutes.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |