By ask Surachart for help
Test: Flash Cache on 11gR2 + RHEL
A Flash Cache (11gR2) is supported by OEL or Solaris. If Want To use RHEL(Ex[……]
Tag: 11g new feature
Advanced use of dbms_stats for extended stats of CG
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Optimizer in Oracle 11g by wwf.
By wwf from ebay COC about Optimizer in Oracle 11g.
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Oracle Direct NFS Performance
在Oracle 11g中引入了Direct Network File System(Oracle Direct NFS)的新特性，通过一个打包在Oracle内核中的NFS client来提高使用NFS时的性能，DNFS同样适用于RAC等高可用场景。
DIRECT NFS CLIENT OV[……]
Incremental Statistics for Partitioned Tables in 11g
这篇文档是我们前leader wwf 写的分析文档,指出了incremental statistic针对partition table 的一些用法,并且指出了一些bug,看不了slideshare的TX可以直接下载Inc_Stat_For_PT.doc
11g Smart Flash Cache
整理一篇关于11g smart flash cache 的文章,louisliu
我们来做一下演示 采用FusionIO SLC 160G
[oracle@db-41 ~]$ ls -l /de[......]
11G New feature: Failed Logon Delays
在pub上看到一个不错的帖子 oracle 11g password delay
对这个特性 做如下说明
Failed Logon Delays
A hacker may attempt a brute force hack to break into your Oracle D[……]
11gR2 rac ora.asm error (ASM)
ASM – ora.asm error
11.2.0.3 RAC CRS 无法启动
[ohasd(25286)]CRS-2112:The OLR service started on node db-41.
2012-04-25 14:46:13.120
[ohas[……]
Create a database link with the new host:port/service syntax
Create a database link with the new host:port/service syntax
Submitted by tanelpoder on Mon, 2012-03-05 15:57
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I just noticed that (finall[……]
11g new feature Index Invisible
11g为我们提供了Index Invisible特性，使用这个特性可以轻松的将index置为不可用状态，对比之前的将索引置为unusable
最大的改进是，当index设置为unusable时，索引将不再随着表数据的更新而更新，导致如果重新使用index 需要rebuild等操作
这对大型的OL[……]