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Server:

Configuration:

  • NO NVMe
  • NO Persistence Memory
  • Server will only use SCM (tmpfs which has size of ~90G only)
  • Node available with Queue Name

    Queue NameNode TypeMax Nodes per Job
    (assoc'd cores)*
    Max DurationMax Jobs in Queue*Charge Rate
    (per node-hour)
    skx-devSKX4 nodes
    (192 cores)*
    2 hrs1*1 SU
    skx-normalSKX128 nodes
    (6,144 cores)*
    48 hrs25*1 SU
    skx-large**SKX868 nodes
    (41,664 cores)*
    48 hrs3*1 SU
  • Stampede2 SKX Compute Node Specifications

    Model: Intel Xeon Platinum 8160 ("Skylake")
    Total cores per SKX node: 48 cores on two sockets (24 cores/socket)
    Hardware threads per core: 2
    Hardware threads per node: 48 x 2 = 96
    Clock rate: 2.1GHz nominal (1.4-3.7GHz depending on instruction set and number of active cores)
    RAM: 192GB (2.67GHz) DDR4
    Cache: 32KB L1 data cache per core; 1MB L2 per core; 33MB L3 per socket. Each socket can cache up to 57MB (sum of L2 and L3 capacity).
    Local storage: 144GB /tmp partition on a 200GB SSD. Size of /tmp partition as of 14 Nov 2017.

    DAOS Configuration/ Environment variables (If set any):

Client Configuration:

Configuration:

Environment variables (If set any):



Testing Area Test

Test Priority (1- HIGH,  2 - LOW)

Number of ServersNumber of ClientsInput ParameterExpected ResultObserved ResultDefectNotesExpected SU's (1 node * 1 hour = 1 SU)
Performance

No Replica

Run IOR and collect BW

Run IOR small size and collect IOPS

11, 8, 64, 1281, 16, 128, 740

Transfer Size: 256B 4K 128K 512K 1M

Block Size: 64M (Depend upon no. of process as file size will increase because of it)

FPP and SSF

single server got ~12GB Read/write so it should scale linearly. 



Replica 2 Way

Run IOR and collect BW

Run IOR small size and collect IOPS

1







Replica 3 Way

Run IOR and collect BW

Run IOR small size and collect IOPS

1







Replica 4 Way

Run IOR and collect BW

Run IOR small size and collect IOPS

1







Metadata Test (Using MDTest)








CART self_test








POSIX (Fuse)?


















Functionality and Scale testingRun all daos_test








Single server/Max clients
1MAX





Max servers/single client
MAX1





Large number of Pools (~1000)

what other operation needed after pool creation?










dmg utility testing

for example: pool query










Negative Scenarios with Scalability







































Reliability and Data Integrity (Soak testing)





























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