{"id":143995,"date":"2025-09-22T23:11:55","date_gmt":"2025-09-22T21:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-varnish-cache-8-0-smena-imeni-proekta-iz-za-torgovoj-marki"},"modified":"2025-09-22T23:11:55","modified_gmt":"2025-09-22T21:11:55","slug":"vypusk-varnish-cache-8-0-smena-imeni-proekta-iz-za-torgovoj-marki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-varnish-cache-8-0-smena-imeni-proekta-iz-za-torgovoj-marki","title":{"rendered":"Utgivning av Varnish-Cache 8.0. Bytet av projekt namn p\u00e5 grund av varum\u00e4rke","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Poul-Henning Kamp, en av de k\u00e4nda utvecklarna av FreeBSD, som deltog i skapandet av system som MD5crypt, GEOM, GBDE och FreeBSD Jail, har presenterat utg\u00e5van av Varnish-Cache 8.0, en h\u00f6gpresterande cachande proxy avsedd att fungera som en HTTP-accelerator. Projektet distribueras under BSD-licensen och har anv\u00e4nts i projekt som Facebook, Wikimedia, Twitter, Vimeo, Tumblr, New York Times och Guardian.    <\/p>\n<p>H\u00f6g prestanda uppn\u00e5s tack vare anv\u00e4ndningen av flerk\u00f6rning, multiplexering av anslutningar genom epoll\/kqueue-anrop och anv\u00e4ndning av systemanropen sendfile och madvise. P\u00e5 vanlig h\u00e5rdvara kan den hantera en str\u00f6m p\u00e5 20 Gbps och s\u00e4kerst\u00e4lla en acceleration av svaren med 300-1000 g\u00e5nger. Cachen lagras i virtuellt minne. En s\u00e4rdrag hos Varnish \u00e4r dess f\u00f6rm\u00e5ga att samla information som s\u00e4nds i bitar p\u00e5 front-end-sidan, d\u00e4r logiken f\u00f6r sammanst\u00e4llningen definieras med hj\u00e4lp av ESI (Edge Side Includes).     <\/p>\n<p>Varnish erbjuder ocks\u00e5 ett flexibelt konfigurationssystem som till\u00e5ter anv\u00e4ndning av inl\u00e4gg p\u00e5 C-spr\u00e5ket. F\u00f6r konfiguration anv\u00e4nds ett speciellt spr\u00e5k, VCL, som sedan kompileras till k\u00f6rbar bin\u00e4r kod. VCL g\u00f6r det m\u00f6jligt att beskriva policyn f\u00f6r beg\u00e4ran: definiera vilket inneh\u00e5ll som behandlas, var det kommer ifr\u00e5n och hur det ska bearbetas innan det levereras. Grundfunktionaliteten kan utvidgas genom moduler. Det finns mekanismer f\u00f6r belastningsbalansering, status\u00f6vervakning och reaktionstid f\u00f6r backend.<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/\"   title=\"servrar\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1786\">servrar<\/a>.        <\/p>\n<p>Tillsammans med tillk\u00e4nnagivandet av den nya versionen har namnet p\u00e5 projektet \u00e4ndrats. Fr\u00e5n och med n\u00e4sta version kommer &#171;Varnish Cache&#187; att bli &#171;Vinyl Cache&#187; p\u00e5 grund av varum\u00e4rkesinv\u00e4ndningar kopplade till namnet Varnish, som \u00e4r registrerat p\u00e5 f\u00f6retaget Varnish Software, som deltog i utvecklingen och ekonomiskt st\u00f6dde det \u00f6ppna projektet &#171;Varnish Cache&#187;. F\u00f6r 22 \u00e5r sedan finansierades utvecklingen av Varnish Cache av den norska tidningen Verdens Gang, som anlitade Paul-Henning Kamp f\u00f6r att skriva koden och f\u00f6retaget Linpro f\u00f6r att st\u00f6dja den. Senare bildades f\u00f6retaget Varnish Software fr\u00e5n Linpro. Det blev s\u00e5 att namnet Varnish Cache associerades med det \u00f6ppna projektet, medan Varnish Software blev kopplat till f\u00f6retaget.    <\/p>\n<p>M\u00f6jligheten att anv\u00e4nda namnet Varnish i titeln p\u00e5 det \u00f6ppna projektet beviljades genom en muntlig \u00f6verenskommelse och Paul-Henning Kamp insisterade inte p\u00e5 att uppr\u00e4tta ett skriftligt avtal. Fram till nyligen samexisterade f\u00f6retaget och det \u00f6ppna projektet fredligt, men sedan blandade sig immaterialr\u00e4ttsjurister in, vars st\u00e5ndpunkt \u00e4r att namnet Varnish Cache inte f\u00e5r anv\u00e4ndas i n\u00e5got sammanhang utan uttryckligt tillst\u00e5nd.     <\/p>\n<p>Eftersom behovet av att f\u00e5 tillst\u00e5nd fr\u00e5n Varnish Software f\u00f6rhindrade vissa deltagare fr\u00e5n att ansluta sig till utvecklingen, gjordes det ett f\u00f6rs\u00f6k att n\u00e5 en \u00f6verenskommelse, men jurister forts\u00e4tter att h\u00e4vda att namnet Varnish Cache tillh\u00f6r Varnish Software och att de till\u00e5ter dess anv\u00e4ndning av det \u00f6ppna projektet under vissa begr\u00e4nsningar och med m\u00f6jlighet till veto. Varnish Cache \u00e4r inte redo att acceptera dessa begr\u00e4nsningar, d\u00e5 de avser att forts\u00e4tta utvecklas som ett oberoende projekt.    <\/p>\n<p>Efter namn\u00e4ndringen planeras att en icke-vinstdrivande partnerskap skapas f\u00f6r att ytterligare samordna utvecklingen, som kommer att verka under Danmarks jurisdiktion. I stadgarna fastst\u00e4lls att organisationen inte f\u00e5r \u00e4ga eller f\u00f6rvalta pengar. Bland m\u00e5len anges: utveckling, underh\u00e5ll och distribution av programvara. Varje intresserad person kan g\u00e5 med i organisationen efter godk\u00e4nnande fr\u00e5n befintliga deltagare. F\u00f6r att leda organisationen kommer en kommitt\u00e9 att v\u00e4ljas av deltagarna.            <\/p>\n<p>De viktigaste nyheterna i Varnish-Cache 8.0:  <\/p>\n<ul>\n<li class=\"l\"> I den bakgrundsprocess som varnishd hanterar f\u00f6r att ta emot f\u00f6rfr\u00e5gningar fr\u00e5n kunder, vidarebefordra f\u00f6rfr\u00e5gningar till backend och cacha svar, har parameter &#171;uncacheable_ttl&#187; implementerats f\u00f6r att best\u00e4mma livsl\u00e4ngden (TTL) f\u00f6r objekt markerade som icke-cachebara.\n<li class=\"l\"> Standardv\u00e4rdet f\u00f6r parametern ban_any_variant \u00e4r 0, vilket inneb\u00e4r att blocklistan endast till\u00e4mpas p\u00e5 matchande varianter av objekt.\n<li class=\"l\"> Uppmaningen stop leder nu till att alla p\u00e5g\u00e5ende transaktioner (VCL-hanterare) v\u00e4ntar p\u00e5 att avslutas.\n<li class=\"l\"> St\u00f6d f\u00f6r att referera till vissa runtime-parametrar i VCL-kod har lagts till, med syntaxen &#171;param.&lt;param_name&gt;&#187;.\n<li class=\"l\"> M\u00f6jligheten att \u00e5sidos\u00e4tta logiken f\u00f6r att generera svar &#171;304 Not Modified&#187; har lagts till.\n<li class=\"l\"> De f\u00f6r\u00e5ldrade VMOD-funktionerna std.real2integer(), std.real2time(), std.time2integer() och std.time2real() har tagits bort, och ist\u00e4llet b\u00f6r syntaxen &#171;std.integer(real=std.round(&#8230;), fallback=&#8230;)&#187; eller &#171;std.integer(time=&#8230;, fallback=&#8230;). Funktionen format_rfc1123() har \u00e4ndrats till cookie.format_date().\n<li class=\"l\"> I VUT och varnishtest har m\u00f6jligheten att spela in stacktrace till loggen efter en krasch lagts till.\n<li class=\"l\"> I verktyget varnishadm har den nya variabeln &#171;obj.last_hit&#187; lagts till, som kan anv\u00e4ndas f\u00f6r att hantera borttagning av objekt fr\u00e5n cachen, som inte har \u00e5tkomsts p\u00e5 l\u00e4nge.\n<li class=\"l\"> I verktyget varnishstat har nya statistikr\u00e4knare lagts till: VCP.ref_hit, VCP.ref_miss, transit_stored och transit_buffered.         <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63923\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u043b-\u0425\u0435\u043d\u0438\u043d\u0433 \u041a\u0430\u043c\u043f (Poul-Henning Kamp), \u043e\u0434\u0438\u043d \u0438\u0437 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 FreeBSD, \u0443\u0447\u0430\u0441\u0442\u0432\u043e\u0432\u0430\u0432\u0448\u0438\u0439 \u0432 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0438 \u0442\u0430\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u043a\u0430\u043a MD5crypt, GEOM, GBDE \u0438 FreeBSD Jail, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0440\u0435\u043b\u0438\u0437 Varnish-Cache 8.0, \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u043a\u0441\u0438, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0432 \u0440\u043e\u043b\u0438 HTTP-\u0430\u043a\u0441\u0435\u043b\u0435\u0440\u0430\u0442\u043e\u0440\u0430. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD \u0438 \u0432 \u0441\u0432\u043e\u0451 \u0432\u0440\u0435\u043c\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445 Facebook, Wikimedia, Twitter, Vimeo, Tumblr, New York Times \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-143995","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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Namnbyte av projektet p\u00e5 grund av varum\u00e4rke | ProHoster","description":"Poul-Henning Kamp, en av de k\u00e4nda utvecklarna av FreeBSD, som har medverkat i skapandet av system som MD5crypt, GEOM, GBDE och FreeBSD Jail, presenterade Varnish-Cache 8.0.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-varnish-cache-8-0-smena-imeni-proekta-iz-za-torgovoj-marki","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a Varnish-Cache 8.0. \u0421\u043c\u0435\u043d\u0430 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