Sometimes you can get ” ORA-00471: DBWR process terminated with error ” error.
Details of error are as follows.
ORA-00471: DBWR process terminated with error
Reduce the database db_files parameter to reduce file descriptors usage (requires a database restart)
Increase the number of file descriptors value specific to your UNIX kernel ( File descriptor limit is per process.)
The latest solution is startup or restart instance again.
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