{"id":168,"date":"2013-12-17T10:45:58","date_gmt":"2013-12-17T10:45:58","guid":{"rendered":"http:\/\/it.tuxie.eu\/?p=168"},"modified":"2014-01-28T10:52:38","modified_gmt":"2014-01-28T10:52:38","slug":"oracle-linux-6-5","status":"publish","type":"post","link":"http:\/\/it.tuxie.eu\/?p=168","title":{"rendered":"Oracle Linux 6.5"},"content":{"rendered":"<p>V zaplave distribuci je jeden druh, ktery si zaslouzi zvysenou pozornost &#8211; &#8222;klony&#8220; (nebijte me) RedHat Enterprise Linuxu, ktere jsou zrcadlem a ocaskem teto distribuce (=cislovani stejne, datum vydani radove par dni\/tydnu zpozdeni oproti RHEL). Z pomerne skromneho davu je to hlavne <a href=\"http:\/\/www.centos.org\/\">CentOS<\/a>, <a href=\"https:\/\/www.scientificlinux.org\/\">Scientific Linux<\/a> a &#8230;. <a href=\"http:\/\/www.oracle.com\/us\/technologies\/linux\/overview\/index.html\">Oracle Linux<\/a>.<\/p>\n<p><!--more--><\/p>\n<p>Otazka: Ma OL vyznam?<\/p>\n<p>Odpoved: Jasne \ud83d\ude42<\/p>\n<p><strong>1) Dostupnost<\/strong><\/p>\n<p>Oracle Linux si na nic nehraje. Stazeni a pouzivani zdarma. Platite si za support, k cemuz vas nikdo nutit nebude. Pro nasazeni ve firmach doporucuju peclive procist licencni podminky. Na &#8222;domaci hrani&#8220; tedy zadny problem. <a href=\"https:\/\/edelivery.oracle.com\/linux\">Download stranka<\/a> (ucet nutny).<\/p>\n<p><strong>2) Prizpusobeni pro Oracle databazi #1<\/strong><\/p>\n<p>Prakticka stranka veci nebyla vzdy prochazkou &#8211; hlavne sehnat vsechny potrebne baliky v potrebnych verzich. Zapomenuto. Diky <a href=\"http:\/\/www.oracle.com\/technetwork\/articles\/servers-storage-admin\/ginnydbinstallonlinux-488779.html\">tomuto rpm<\/a> je spousta problemu minulosti. Pripraveno na stribrnem podnosu.<\/p>\n<p><strong>3) Prizpusobeni pro Oracle databazi #2<\/strong><\/p>\n<p>A <a href=\"http:\/\/www.oracle.com\/us\/technologies\/linux\/linux-for-oracle-database-wp-2068570.pdf\">teoreticti, neviditelni trpaslici na pozadi<\/a> \ud83d\ude42 Pokud odmyslite marketingove zvasty, je tam plno nitek faktu, dohromady vychazi velmi dobry operacni system, jakoby spodni vrstva databaze, nic vic, nic min \ud83d\ude42<\/p>\n<p><strong>4) Prizpusobeni pro Oracle databazi &#8211; praxe?!<\/strong><\/p>\n<p>Roky jsem pouzival RHEL + Oracle databaze, OL + Oracle databaze. Dle me optiky (a podtrhuju, ze firmu Oracle NEMAM RAD z mnoha duvodu) nema OL konkurenci. Pri jakemkoliv tuningu RHEL nelze docilit cisel, ktera dava OL.<\/p>\n<p>Muj konkretni pripad (SSD disk, i7 ivy bridge, 16gb ram), hostitel Win8 (jezis) + host OL6.5 (manualni konfigurace oracle databaze) skrze Virtualbox 4.3(tedy zkresleni)\u00a0 = 70 000 &#8211; 80 000 bulk insertu do tabulky. Pri stejne konfiguraci a RHEL jsem docilil maximalne 55 000 insertu. Jasne, nejsem vseznalek, neumim oracle dokonale nastavit (s timto priznanim nemam problem) &#8211; ale celkove je vykon OL podstatne lepsi.<\/p>\n<p><strong>5) Pro firmy &#8211; cena<\/strong><\/p>\n<p>Support Oracle Linuxu je nesrovnatelne levnejsi, nez support RedHatu.<\/p>\n<p><strong>6) UEK<\/strong><\/p>\n<p>Unbreakable Enterprise Kernel &#8211; mnoho bylo napsano, mnoho receno a to nejlepsi &#8211; ono to i funguje. Lehounka revoluce v kernelech \ud83d\ude09<\/p>\n<p><strong>7) Dokumentace<\/strong><\/p>\n<p>Oracle Linux se potrebuje odlisit od RedHatu. Tedy marketingovo-technicke whitepapery, brozurky, clanky &#8211; jsou zapotrebi a jsou zadane. Oficialni <a href=\"http:\/\/www.oracle.com\/us\/technologies\/linux\/resources\/index.html\">resourcy<\/a> obsahuji velke mnozstvi clanku, samotnou <a href=\"http:\/\/docs.oracle.com\/cd\/E37670_01\/index.html\">dokumentaci<\/a> pak doporucuji vice.<\/p>\n<div id=\"attachment_174\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/it.tuxie.eu\/wp-content\/uploads\/2013\/12\/ol.png\"><img aria-describedby=\"caption-attachment-174\" loading=\"lazy\" class=\"size-medium wp-image-174\" alt=\"Oracle Linux - brumlajici pri nejakych 60k insertu za vterinu :-)\" src=\"http:\/\/it.tuxie.eu\/wp-content\/uploads\/2013\/12\/ol-300x215.png\" width=\"300\" height=\"215\" srcset=\"http:\/\/it.tuxie.eu\/wp-content\/uploads\/2013\/12\/ol-300x215.png 300w, http:\/\/it.tuxie.eu\/wp-content\/uploads\/2013\/12\/ol-1024x734.png 1024w, http:\/\/it.tuxie.eu\/wp-content\/uploads\/2013\/12\/ol.png 1233w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-174\" class=\"wp-caption-text\">Oracle Linux &#8211; brumlajici pri nejakych 60k insertu za vterinu \ud83d\ude42<\/p><\/div>\n<p>-a-<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V zaplave distribuci je jeden druh, ktery si zaslouzi zvysenou pozornost &#8211; &#8222;klony&#8220; (nebijte me) RedHat Enterprise Linuxu, ktere jsou zrcadlem a ocaskem teto distribuce (=cislovani stejne, datum vydani radove par dni\/tydnu zpozdeni oproti RHEL). Z pomerne skromneho davu je &hellip; <a href=\"http:\/\/it.tuxie.eu\/?p=168\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,4],"tags":[],"_links":{"self":[{"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=\/wp\/v2\/posts\/168"}],"collection":[{"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=168"}],"version-history":[{"count":0,"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=\/wp\/v2\/posts\/168\/revisions"}],"wp:attachment":[{"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/it.tuxie.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}