[Ocfs2-users] Performance Problems while reading

[Sunil Mushran]

And you are convinced that drdb's primary-primary is not the
cause for the slowdown. ??

Egon Burgener wrote:
> Hi all
>
> We are using a 2 node cluster with drbd 8 (primary/primary state) and
> ocfs2. Reading a file on one node while it will be written on the other
> node is very slow. Reading a file on node while it will be written on
> the same node is fast.
> In the first case the node which wants to read the file has to ask the
> other to downgrade the locklevel. In my opinion this is a bottleneck, if
> the files are big. Increasing clustersize did not really help.
>
> Is there a away to speed up the read of such a file?
>
> Is it possible to open files for reading in nolock mode (NL) instead of
> (PR)?
>
> Thanks for your response,
>
> Egon
>
>
>
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