Details
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Bug
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Resolution: Unresolved
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Critical
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None
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Lustre 2.9.0
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None
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Spirit Performance Cluster
Spirit Performance Clustre Storage CPU RAM Network
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
Routers: Not Used
Backfstype: ldiskfs
MGS: on spirit-4
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
Netapp
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
DDN
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
Spirit Performance Cluster Spirit Performance Clustre Storage CPU RAM Network 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 Routers: Not Used Backfstype: ldiskfs MGS: on spirit-4 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 Netapp 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 DDN 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
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3
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9223372036854775807
Description
Running mdtest Single-shared-directory across the following matrix:
- 8 and 16 clients
- 8 and 16 threads per client
- OSTs from DDN-pool
-OSTs from NetApp-pool
Versions compared:
2.8.0 - b2_8 build 12
2.8.53 - lustre-master build 3375
In all 8 test cases, the results for File Create are noticeably lower for 2.8.53 vs 2.8.0
Mdtest was run using the auster framework using the following extra options
export mdtest_THREADS=16
export mdtest_nFiles=400000
export mdtest_iteration=5