[Ocfs2-devel] why oracle give up dlm by disk on ocfs2? because performance?

[Jensen]

On 2013/7/2 9:35, Sunil Mushran wrote:

> A general purpose file system requires one to manage over a million locks concurrently. So performance is the main reason.
> 

Thanks for your comments.

Has Oracle compared the performance between ocfs2 and ocfs1?

> 
> On Mon, Jul 1, 2013 at 6:22 PM, Jensen <shencanquan at huawei.com <mailto:shencanquan at huawei.com>> wrote:
> 
>     Hi Mark, sunil, jeff an Joel,
>        Do you know why ? Thanks.
> 
>     Jensen.
>     2013-7-2
> 
>     On 2013/6/29 11:27, Jensen wrote:
> 
>     > Hi all,
>     >    I found ocfs1.0 use the Distributed lock manager by disk. on ocfs2 why give up? because performance or other reason?
>     >
>     >    Btw:
>     >      on the ocfs1.0 why not use scsi-2/3 reservation to protect to update the dlm sector data?
>     >
>     > Thanks,
>     > Jensen.
>     >
>     >
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