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<p class="MsoNormal"><span style="font-size:11.0pt">Using the git bisect we were able to isolate the problem to this commit:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">commit d8467ab8a2ca15fbbd5be3429c9cf9ceb0fa78b8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> LU-7990 clio: revise readahead to support 16MB IO<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">In our testing, we can read from a large file (stripe count=4) at near line rate (10 GbE – so 1200 MB/s) using a client compiled with the commit before this one. With this patch, the read rate drops to ~200
MB/s. <o:p></o:p></span></p>
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