M386A8K40BM2-CTD (Samsung 2666)

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Harmony

Member
Oct 6, 2022
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I've got two machines one with 512GB (450GB usage) and another with 1TB (300GB usage) and both seem to be performing quite badly when running the following RAM test

sysbench --test=memory --memory-block-size=4G --memory-total-size=32G run


Code:
32768.00 MiB transferred (4100.55 MiB/sec)


General statistics:
    total time:                          7.9900s
    total number of events:              8

Latency (ms):
         min:                                  638.75
         avg:                                  998.68
         max:                                 1705.91
         95th percentile:                     1708.63
         sum:                                 7989.43

Threads fairness:
    events (avg/stddev):           8.0000/0.00
    execution time (avg/stddev):   7.9894/0.00

The RAM is M386A8K40BM2-CTD when the servers had no load (current load is still quite low) the tests seemed to perform significantly better (10,000 MiB+) is this normal for the RAM I am using? It's in a Supermicro H12DSi-N6