<div dir="ltr"><div class="gmail_default" style="font-family:monospace,monospace">Hi Carl.<br><br></div><div class="gmail_default" style="font-family:monospace,monospace">When we commissioned our system we ran an NFS stress tool, and filled the system to the top.<br><br></div><div class="gmail_default" style="font-family:monospace,monospace">No performance degradation was seen until it was 99.7% full.<br><br></div><div class="gmail_default" style="font-family:monospace,monospace">I believe that after this point it takes longer to find free blocks to write to.<br><br></div><div class="gmail_default" style="font-family:monospace,monospace">YMMV.<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 6 November 2017 at 03:35, Carl <span dir="ltr"><<a href="mailto:mutantllama@gmail.com" target="_blank">mutantllama@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Folk,<div><br></div><div>Does anyone have much experience with the performance of GPFS as it becomes close to full. In particular I am referring to split data/meta data, where the data pool goes over 80% utilisation. <br></div><div><br></div><div>How much degradation do you see above 80% usage, 90% usage?</div><div><br></div><div>Cheers,<br></div><div><br></div><div>Carl.</div><div><br></div><div><br></div></div>
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