It’s LU-9574. Jinshan
On May 30, 2017, at 12:24 PM, Jones, Peter A <peter.a.jo...@intel.com<mailto:peter.a.jo...@intel.com>> wrote: Darby Can you please open a JIRA ticket with this information? Thanks Peter On 5/30/17, 12:10 PM, "lustre-discuss on behalf of Vicker, Darby (JSC-EG311)" <lustre-discuss-boun...@lists.lustre.org<mailto:lustre-discuss-boun...@lists.lustre.org> on behalf of darby.vicke...@nasa.gov<mailto:darby.vicke...@nasa.gov>> wrote: Using the git bisect we were able to isolate the problem to this commit: commit d8467ab8a2ca15fbbd5be3429c9cf9ceb0fa78b8 LU-7990 clio: revise readahead to support 16MB IO 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. _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org<mailto:lustre-discuss@lists.lustre.org> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
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