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

Sunil Mushran sunil.mushran at gmail.com
Mon Jul 1 18:35:36 PDT 2013


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


On Mon, Jul 1, 2013 at 6:22 PM, Jensen <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.
> >
> >
> > _______________________________________________
> > Ocfs2-devel mailing list
> > Ocfs2-devel at oss.oracle.com
> > https://oss.oracle.com/mailman/listinfo/ocfs2-devel
> >
> >
>
>
>
>
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