{"id":447,"date":"2020-02-07T20:34:20","date_gmt":"2020-02-07T17:34:20","guid":{"rendered":"http:\/\/microimpuls.com\/docs\/micropvr\/%d0%be%d0%bf%d0%b8%d1%81%d0%b0%d0%bd%d0%b8%d0%b5\/%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%bd%d1%8b%d0%b5-%d1%82%d1%80%d0%b5%d0%b1%d0%be%d0%b2%d0%b0%d0%bd%d0%b8%d1%8f"},"modified":"2020-03-04T13:44:21","modified_gmt":"2020-03-04T10:44:21","slug":"system-requirements","status":"publish","type":"docs","link":"https:\/\/microimpuls.com\/en\/docs\/micropvr\/about\/system-requirements","title":{"rendered":"System requirements"},"content":{"rendered":"<p>MicroPVR requires Linux Debian 64-bit and similar distributions.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><\/p><cite>Attention! MicroPVR software is not designed to work on a virtual machine due to the unguaranteed stability of the virtual network adapter.<\/cite><\/blockquote>\n\n\n\n<p>Hardware requirements based on received\/transmitted traffic:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td>Processor<\/td><td>1 2.4Ghz+ core for every 400Mbps traffic<\/td><\/tr><tr><td>RAM<\/td><td>1GB for every 400Mbps of traffic<\/td><\/tr><tr><td>Network map<\/td><td>intel Enterprise card with multiple queues for incoming packets (multiple Rx queues)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Calculation of total storage volume<\/h2>\n\n\n\n<p>If:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">M is the number of channels of a particular bitrate\/quality\nN is the average bitrate of one channel in megabits per second\nK - Depth of archive recording in days\nX is the result of the calculation in terabytes<\/pre>\n\n\n\n<p>Then the calculation formula:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">X = ((((((M * N) \/ 8) * 3600 * 24 * K) \/ 1024) \/ 1024<\/pre>\n\n\n\n<p>For example, 100 SD channels in a 3.5Mbps bitrate must be recorded for 7 days:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">((((100 * 3.5) \/ 8) * 3600 * 24 * 7) \/ 1024 \/ 1024 = 25.23TB<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Calculation of storage configuration<\/h2>\n\n\n\n<p>The configuration of servers can be selected individually based on budget and technical requirements.\nRecommended values \u2014 record no more than 50 channels per server, based on this, if:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">M is the number of channels of a particular bitrate\/quality\nN is the average bitrate of one channel in megabits per second\nK - Depth of archive recording in days\nX - total storage capacity\nY - number of servers<\/pre>\n\n\n\n<p>Then the calculation formula:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">M = 50\nY = X \/ (((((((M * N) \/ 8) * 3600 * 24 * K) \/ 1024) \/ 1024)<\/pre>\n\n\n\n<p>If the number of simultaneous requests for the PVR service is 1000 per server (i.e. a total of 1000*Y concurrent users), the number of storage disks on one server should be at least 6, the number of SSDs in the amount of 500GB at least 2.<\/p>\n\n\n\n<p>If necessary, the number of disks should be increased based on the selected redundancy model (RAID Level).<\/p>","protected":false},"featured_media":0,"parent":446,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_links_to":"","_links_to_target":""},"doc_tag":[],"class_list":["post-447","docs","type-docs","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0421\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f<\/title>\n<meta name=\"robots\" content=\"index, follow, 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