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--- en:dpi:dpi_components:qoestor:hardware_recommendations:start [2021/08/05 15:52] – created arusnak
+++ en:dpi:dpi_components:qoestor:hardware_recommendations:start [2021/08/05 16:36] (current) – removed arusnak
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-===== 2 Equipment prerequisites =====
-{{indexmenu_n>2}}
-<note important>Do not install the module on the same server with the DPI platform!</note>
-=== Minimum requirements ===
-For the subsystem, you can use hardware or virtual machines with the characteristics listed below:
-  - Processor (CPU) 2.5 ГГц - 1 pce
-  - RAM - at least 16 GB
-  - Hard disk drive (SSD is highly desirable) - at least 500 GB
-  - Operating system - CentOS 7+ or CentOS 8+
-  - Network interface (NIC) - at least 1 Gbps
-<note important>{{ :dpi:dpi_components:capacity_space_for_qoe_and_hardware_example.xlsx |Capacity space for QoE and Hardware example}}</note>
-== Processor ==
-SSE 4.2 instruction set support is required.
-Choose processors with a large number of cores. Clock frequency is less important. For example, 16 cores with 2,600 MHz are better than 8 cores at 3,600 MHz.
-<note important>Do not disable Hyper-threading and Turbo-Boost.</note>
-== RAM ==
-RAM should be no less than the amount of data requested.
-The more RAM server has, the better performance will be achieved when building reports.
-The more memory, the less disk system is stressing.
-Minimum prerequisites is 16 GB.
-Always disable the swap file.
-== Disk ==
-Required disk space is at least 16 GB for every storage day, it's actual value depends on daily traffic. It is estimated that 10 Gbit/s of average daily traffic generates approximately 25 GB of data per hour in the QoE Store.
-If your budget makes you possible to use SSD, use it. Otherwise use HDD. SATA HDDs 7200 RPM will be suitable.
-When using HDD, you can combine them into RAID-10, RAID-5, RAID-6 or RAID-50.
-Most of the data is stored in the ''/var/lib/clickhouse/'' directory. You can mount a drive/partition on this directory.
-Temporary data (ipfix dumps) is stored in the ''/var/qoestor/backend/dump/'' directory. 50 GB be sufficient for this.
-For best performance, it is important (recommended) that these directories are on a separate disk or array. See [[dpi: dpi_components: qoestor: configuration: disc: start | Disk space settings]]
-=== Maintenance advice from Yandex ClickHouse ===
-You could familiarize yourself with the contents of maintenance advice from Yandex ClickHouse by following the [[https://clickhouse.yandex/docs/en/operations/tips/|https://clickhouse.yandex/docs/ru/operations/tips/]] link.

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