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Zhongwei Li
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slug: /prepare-servers
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---
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# Prepare servers
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This section describes the number and specifications of servers required for deploying seekdb, as well as the software and hardware requirements for servers, including the operating system and BIOS settings.
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## Server configuration requirements
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Servers must meet the minimum configuration requirements shown in the following table.
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| Product | Number of servers | Minimum configuration | Disk type |
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|---------|-----------|-------------|-------------|
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| seekdb | 1 | 1 CPU core, 2 GB available memory | SSD storage |
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:::info
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<ul>
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<li>The log disk must be at least 1 times the memory size, and the data disk must meet the storage requirements for the target data volume.</li>
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<li>The resource requirements listed here refer to the resources reserved for seekdb, not the total resources of the server itself.</li>
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</ul>
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:::
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## Hardware environment requirements
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### Memory
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Run the following command to check the memory:
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```shell
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free -g
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```
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The return result is as follows:
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```shell
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total used free shared buff/cache available
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Mem: 174 38 6 0 129 123
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Swap: 0 0 0
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```
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Ensure that the available Mem value is sufficient to meet the configuration in the **Server configuration requirements** section above. If it is insufficient, you can try clearing the cache to free up some resources or replace the server.
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Run the following command to clear the cache:
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```shell
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sudo sysctl -w vm.drop_caches=3
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# or
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sudo echo 3 > /proc/sys/vm/drop_caches
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```
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## Software environment requirements
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### Operating system
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#### seekdb operating system
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seekdb can be installed on the Linux operating systems shown in the following table.
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| Linux operating system | Version | Server architecture |
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|-------------------------|-----------|-------------------------------|
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| Rocky Linux | 9 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| Alibaba Cloud Linux | 2, 3 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| AnolisOS | 8.6 and later | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| KylinOS | V10 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| UOS | V20 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| NFSChina | 4.0 and later | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| Inspur kos | 5.8 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| CentOS / Red Hat Enterprise Linux | 7.x, 8.x | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| SUSE Enterprise Linux | 12SP3 and later | x86_64 (including Hygon) |
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| Debian | 8.3 and later | x86_64 (including Hygon) |
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| openEuler | 20.03 LTS SP1/SP2 and 22.10 LTS | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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| LinxOS | V6.0.99, V6.0.100 | x86_64 (including Hygon), ARM_64 (Kunpeng, Phytium) |
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:::info
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The operating system must be configured with network and software manager (yum or zypper repositories).
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:::
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#### Check the operating system
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##### Red Hat Enterprise Linux Server 7.X
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Run the following command to check the operating system information:
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```shell
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cat /etc/redhat-release
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```
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The return result is as follows:
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```shell
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Red Hat Enterprise Linux Server release 7.2 (Maipo)
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```
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##### CentOS 7.X
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Run the following command to check the operating system information:
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```shell
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cat /etc/redhat-release
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```
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The return result is as follows:
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```shell
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CentOS Linux release 7.2.1511 (Core)
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```
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##### Anolis OS 8.X
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Run the following command to check the operating system information:
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```shell
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cat /etc/os-release
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```
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The return result is as follows:
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```shell
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NAME="Anolis OS"
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VERSION="8.2"
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ID="anolis"
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ID_LIKE="rhel fedora centos"
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VERSION_ID="8.2"
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PLATFORM_ID="platform:an8"
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PRETTY_NAME="Anolis OS 8.2"
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ANSI_COLOR="0;31"
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HOME_URL="https://openanolis.cn/"
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```
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##### Ubuntu
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Run the following command to check the operating system information:
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```shell
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cat /etc/os-release
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```
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The return result is as follows:
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```shell
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NAME="Ubuntu"
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VERSION="20.04.2 LTS (Focal Fossa)"
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ID=ubuntu
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ID_LIKE=debian
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PRETTY_NAME="Ubuntu 20.04.2 LTS"
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VERSION_ID="20.04"
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HOME_URL="https://www.ubuntu.com/"
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SUPPORT_URL="https://help.ubuntu.com/"
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BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
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PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
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VERSION_CODENAME=focal
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UBUNTU_CODENAME=focal
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```
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##### Debian 9
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Run the following command to check the operating system information:
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```shell
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cat /etc/os-release
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```
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The return result is as follows:
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```shell
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PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
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NAME="Debian GNU/Linux"
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VERSION_ID="9"
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VERSION="9 (stretch)"
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VERSION_CODENAME=stretch
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ID=debian
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HOME_URL="https://www.debian.org/"
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SUPPORT_URL="https://www.debian.org/support"
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BUG_REPORT_URL="https://bugs.debian.org/"
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```
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#### Check the kernel
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Check the server kernel information to ensure that the operating system is 3.10.0 or later, and select the corresponding deployment package based on the kernel information.
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Run the following command to check the kernel information:
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```shell
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uname -a
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```
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### seekdb server BIOS settings
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#### BIOS options to disable
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* Cstate
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* Pstate
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* EIST
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* Power saving
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#### BIOS options to configure
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* Automatic Power on After Power Loss: Always on
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* Intel Virtualization Technology: Enabled
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* Hyper-threading: Enabled
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* Hardware prefetcher: Enabled
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* VT-d: Enabled
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* SR-IOV: Enabled
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* Turbo Mode: Enabled
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* Energy performance: Set to maximum performance
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:::info
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The method for modifying BIOS settings varies by server. For specific operations, refer to the server operation manual.
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:::
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