https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-8393 Lustre <p>Running mdtest Single-shared-directory across the following matrix:</p> <ul class="alternate" type="square"> <li>8 and 16 clients</li> <li>8 and 16 threads per client</li> <li>OSTs from DDN-pool<br/> -OSTs from NetApp-pool<br/> Versions compared:<br/> 2.8.0 - b2_8 build 12<br/> 2.8.53 - lustre-master build 3375</li> </ul> <p>In all 8 test cases, the results for File Create are noticeably lower for 2.8.53 vs 2.8.0<br/> Mdtest was run using the auster framework using the following extra options<br/> export mdtest_THREADS=16<br/> export mdtest_nFiles=400000<br/> export mdtest_iteration=5</p> Spirit Performance Cluster<br/> Spirit Performance Clustre Storage CPU RAM Network<br/> Clients: 16 nodes from spirit-[11,14-33] N/A 2x Xeon 64 GB Intel Infiniband AXX1FDRIBIOM Single Port FDR I/O Module w/ QSFP<br/> Routers: Not Used <br/> Backfstype: ldiskfs <br/> MGS: on spirit-4 <br/> MDS: Single on spirit-4 NA E2624 2x Xeon DP Haswell 18 cores 64GB Intel Infiniband AXX2FDRIBIOM Dual Port FDR I/O Module w/ QSFP <br/> Netapp <br/> OSS 12 x 7.3T on Spirit-[5,6] NA E5460 2x Xeon DP Haswell 18 cores 64 GB Intel Infiniband AXX2FDRIBIOM Dual Port FDR I/O Module w/ QSFP <br/> DDN <br/> OSS 8 x 7.1 T on Spirit-[7-10] DDN 12k 2x Xeon DP Haswell 18 cores 64 GB Intel Infiniband AXX2FDRIBIOM Dual Port FDR I/O Module w/ QSFP <br/> LU-8393

Drop in Mdtest File Create performance 2.8.53 vs 2.8.0

Bug Critical Open Unresolved Oleg Drokin Cliff White Wed, 13 Jul 2016 18:21:35 +0000 Thu, 14 Jul 2016 04:53:46 +0000 Lustre 2.9.0 0 3 Development Rank 1|hzyhev: Rank (Obsolete) 9223372036854775807 Severity