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# longhorn-storagea
adamant-kite-43734
05/09/2024, 9:56 AMThis message was deleted.
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nice-tent-65195
05/09/2024, 10:39 AMHi!
Please check your share-manager metrics, maybe you have the memory leak problem. Workaround for that: https://github.com/longhorn/longhorn/issues/8394#issuecomment-2069398514
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loud-eve-73457
05/09/2024, 12:36 PM@nice-tent-65195 great thanks for your help. but I found when not using `RWX`(nfs), the issue of performance degrade still exists
loud-eve-73457
05/09/2024, 12:36 PMit’s strange about the 16MB/s, because it’s not the network limit or disk bandwidth limit.
loud-eve-73457
05/09/2024, 12:36 PMI will try the fix and feedback here.
loud-eve-73457
05/09/2024, 5:29 PMI switched the longhorn to v1.5.4, but the write performance is still lower than the disk speed.
loud-eve-73457
05/09/2024, 5:31 PMI found a [post](https://longhorn.io/blog/performance-scalability-report-aug-2020/#:~:text=With%201%20replica%2C%20Longhorn%20provides,response%20to%20the%20workload's%20request.) saying:
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With 1 replica, Longhorn provides the same bandwidth as the native disk.
With 3 replicas, Longhorn provides *1.5 times to 2+ times* performance compared to a single native disk.48 Views