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Update 1.resource-preparations.md (#2429)
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* Update 1.resource-preparations.md

* Update 1.resource-preparations.md

* Update 1.resource-preparations.md

* Update 1.resource-preparations.md (#2430)
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ChrisChen2023 authored Jan 17, 2024
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Expand Up @@ -10,7 +10,7 @@ NebulaGraph is designed and implemented for NVMe SSD. All default parameters are

- Do not use remote storage devices, such as NAS or SAN. Do not connect an external virtual hard disk based on HDFS or Ceph.

- Do not use RAID.
- RAID is not recommended because {{nebula.name}} provides a multi-replica mechanism. Configuring RAID would result in a waste of resources.

- Use local SSD devices, or AWS Provisioned IOPS SSD equivalence.

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Expand Up @@ -10,11 +10,11 @@

{{nebula.name}} 是针对 NVMe SSD 进行设计和实现的,所有默认参数都是基于 SSD 设备进行调优,要求极高的 IOPS 和极低的 Latency。

- 不建议使用 HDD;因为其 IOPS 性能差,随机寻道延迟高;会遇到大量问题
- 不建议使用 HDD;因为其 IOPS 性能差,随机寻道延迟高。

- 不要使用远端存储设备(如 NAS 或 SAN),不要外接基于 HDFS 或者 Ceph 的虚拟硬盘。

- 不要使用磁盘阵列(RAID)。
- 不建议配置独立磁盘冗余阵列(RAID)。{{nebula.name}}本身提供了多副本机制,如果配置 RAID,会造成资源浪费

- 使用本地 SSD 设备;或 AWS Provisioned IOPS SSD 或等价云产品。

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