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56 lines
2.9 KiB
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========================================
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Sensei: Hardware Requirements
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========================================
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Due to the nature of packet analysis and granular drill-down reporting features, Sensei require more horsepower than a standard L3-L4 firewall.
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.. Note::
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Sensei requires at least 4 GB of memory. Installer will not continue if you have less than 4 GB of RAM.
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.. Note::
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A roadmap feature - Cloud reporting - will enable you to install Sensei to devices which have limited amount of memory. E.g. you'll be able to install Sensei to a Raspberry Pi.
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-----------------------------
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CPU & Memory
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------------
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Because the analytics module relies on Elastic Search to do Big Data processing, amount of the memory available in the system is crucial for the performance of the whole product.
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At least dual-core *(i5 or equivalent)* or preferably quad-core modern CPU *(i7 or equivalent)* would be advisable.
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Recommended minimum hardware requirements for Sensei based on the number of users and the bandwidth:
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======================= ===================== ==================== ====================================================================
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**Number of Users** **WAN Bandwith** **Min. Memory** **Min. CPU**
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<25 20 Mbps 8 GB Intel Dual-Core i3 2.0 GHz (2 Cores, 4 Threads) or equivalent
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25-50 50 Mbps - 10 Kpps 8 GB Intel Dual-Core i5 2.0 GHz (2 Cores, 4 Threads) or equivalent
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50-100 100 Mbps - 20 Kpps 16 GB Intel Dual-Core i5 2.2 GHz (2 Cores, 4 Threads) or equivalent
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100-250 200 Mbps - 40 Kpps 16 GB Intel Dual-Core i7 2.0 GHz (2 Cores, 4 Threads) or equivalent
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250-1000 500 Mbps - 100 Kpps 32 GB Intel Quad-Core i7 3.40 GHz (4 Cores, 8 Threads) or equivalent
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======================= ===================== ==================== ====================================================================
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-----------------------------
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Disk Space
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------------
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.. Note::
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Sensei uses `Elastic Search Engine <https://en.wikipedia.org/wiki/Elasticsearch>`_ as its backend to process the Big Data. Please spare at least 5 MB of disk space per hour per megabit/second throughput.
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If you're running a 100 Mbps link \(about 100 users\) which is quite active during the daytime and idle rest of the day, you can calculate the space needed as follows:
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.. code-block:: none
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5 MB x 12 hours x 100 Mbps = 6 GB per day.
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6 GB x 7 days a week = 42 GB per week.
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42 x 4 weeks a month = 164 GB per month.
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.. Note::
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As of 0.7.0 ::italic::(`changelog <https://www.sunnyvalley.io/blog/what-s-cooking-for-0-7>`_) , Sensei retires reports data to open up space for the new coming data. After the configured timespan, existing reports data is automatically purged to save space for fresh data.
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