关于oracle的警告日志

我的数据库的警告日志一直提示检查点没完成，
不知是什么问题，能否提点儿建议，如下：

thread 1 advanced to log sequence 12633
  current log# 3 seq# 12633 mem# 0: e:\oracle\oradata\syj\redo03_1.log
  current log# 3 seq# 12633 mem# 1: e:\oracle\oradata\syj\redo03_2.log
thread 1 advanced to log sequence 12634
  current log# 2 seq# 12634 mem# 0: e:\oracle\oradata\syj\redo02_1.log
  current log# 2 seq# 12634 mem# 1: e:\oracle\oradata\syj\redo02_2.log
thread 1 cannot allocate new log, sequence 12635
checkpoint not complete
  current log# 2 seq# 12634 mem# 0: e:\oracle\oradata\syj\redo02_1.log
  current log# 2 seq# 12634 mem# 1: e:\oracle\oradata\syj\redo02_2.log
thread 1 advanced to log sequence 12635
  current log# 1 seq# 12635 mem# 0: e:\oracle\oradata\syj\redo01_1.log
  current log# 1 seq# 12635 mem# 1: e:\oracle\oradata\syj\redo01_2.log
thread 1 advanced to log sequence 12636
  current log# 3 seq# 12636 mem# 0: e:\oracle\oradata\syj\redo03_1.log
  current log# 3 seq# 12636 mem# 1: e:\oracle\oradata\syj\redo03_2.log
thread 1 cannot allocate new log, sequence 12637
checkpoint not complete
  current log# 3 seq# 12636 mem# 0: e:\oracle\oradata\syj\redo03_1.log
  current log# 3 seq# 12636 mem# 1: e:\oracle\oradata\syj\redo03_2.log
thread 1 advanced to log sequence 12637
  current log# 2 seq# 12637 mem# 0: e:\oracle\oradata\syj\redo02_1.log
  current log# 2 seq# 12637 mem# 1: e:\oracle\oradata\syj\redo02_2.log
thread 1 advanced to log sequence 12638
  current log# 1 seq# 12638 mem# 0: e:\oracle\oradata\syj\redo01_1.log
  current log# 1 seq# 12638 mem# 1: e:\oracle\oradata\syj\redo01_2.log
thread 1 cannot allocate new log, sequence 12639
checkpoint not complete
  current log# 1 seq# 12638 mem# 0: e:\oracle\oradata\syj\redo01_1.log
  current log# 1 seq# 12638 mem# 1: e:\oracle\oradata\syj\redo01_2.log

回答:

加几个新的redolog file就好,

检查你的初始化文件是否有以下配置
log_checkpoint_interval = 0
log_checkpoint_timeout = 0
log_checkpoints_to_alert=true