|From:||Wim Coekaerts <wim.coekaerts-AT-oracle.com>|
|To:||David Teigland <teigland-AT-redhat.com>|
|Subject:||Re: [PATCH 0/7] dlm: overview|
|Date:||Mon, 25 Apr 2005 13:39:52 -0700|
> This is a distributed lock manager (dlm) that we'd like to see added to > the kernel. The dlm programming api is very similar to that found on > other operating systems, but this is modeled most closely after that in > VMS. do you have any performance data at all on this ? I like to see a dlm but I like to see something that will also perform well. My main concern is that I have not seen anything relying on this code do "reasonably well". eg can you show gfs numbers w/ number of nodes and scalability ? I think it's time we submit ocfs2 w/ it's cluster stack so that folks can compare (including actual data/numbers), we have been waiting to stabilize everything but I guess there is this preemptive strike going on so we might just as well. at least we have had hch and folks comment, before sending to submit code. Andrew - we will submit ocfs2 so you can have a look, compare and move on. we will work with any stack that eventuslly gets accepted, just want to see the choice out there and an educated decision. hopefully tomorrow, including data comparing single node and multinode performance. Wim
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