oracle真实案例之闪回区存储空间耗尽解决方法（ORA-19815解决方法）
这个是一个真实的oracle（ORA-19815解决方法）的案例，希望对大家有帮助。今天朋友公司的平台出现了登陆缓慢、查询数据慢问题，并且通过spotlight监控oracle也出
这个是一个真实的oracle（ORA-19815解决方法）的案例，希望对大家有帮助。
今天朋友公司的平台出现了登陆缓慢、查询数据慢问题，并且通过spotlight监控oracle也出现登陆不成功现象，通过查看系统的内存、进程等，免备案空间，没有发现问题，最后找到了我，我先查看了一下平台的内存、进程，也没有发现问题，最后查看oracle的告警日志，香港服务器租用，发现问题如下：
是ORA-19815问题，通过metalink查询，是闪回区空间耗尽，解决的方法我使用增大闪回区的存储空间，来解决此问题
现在先查看一下v$recovery_file_dest试图
发现已经使用了98.65%了
下面为解决此问题的方法
登陆数据库
先查看当前的闪回区大小
可以看得闪回区的大小为2g，所以我把他扩展为10g
然后在查看闪回区的使用情况
在查看一下闪回区的使用率
从之前的98.65%降到了22.2%，在查看一下告警日志
已经不在重复的报ORA-19815错误了，网站空间，现在闪回区空间使用爆满问题已经解决。
然后我的spotlight监控也已经可以监控oracle了，下面是spotlight监控oracle的图
解决ORA-19815的方法很多，我这个只是其中的一种，感谢oracle 的metalink
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