{"id":30786,"date":"2019-10-31T21:37:26","date_gmt":"2019-10-31T18:37:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/masshtabirovanie-zimbra-collaboration-suite\/"},"modified":"2019-10-31T21:37:26","modified_gmt":"2019-10-31T18:37:26","slug":"masshtabirovanie-zimbra-collaboration-suite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/masshtabirovanie-zimbra-collaboration-suite","title":{"rendered":"Zimbra Koost\u00f6\u00f6s\u00fcsteemi Skaalavus","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00dcks peamisi \u00fclesandeid \u00e4ri jaoks on kasvada ja areneda. T\u00e4nap\u00e4eva reaalsuses toob tootmisruumide arvu suurenemine ja uute t\u00f6\u00f6tajate ning partnerite lisandumine pideva koormuse kasvu ettev\u00f5tte IT-infrastruktuurile. Seet\u00f5ttu peab ettev\u00f5tte IT-juhiks olles arvestama mistahes lahenduse kasutuselev\u00f5tu puhul, millega on seotud selline omadus nagu skaleeritavus. V\u00f5ime taluda suuremat t\u00f6\u00f6koormust lisades suuri arvutikoormusi on eriti kriitiline teenusepakkujatele. Vaatame, milliseid skaleerimise v\u00f5imalusi Zimbra Koost\u00f6\u00f6s\u00fcsteem pakub, olles toode, mida kasutavad erinevad SaaS-teenusepakkujad kogu maailmas.<\/p>\n

\"Zimbra<\/a><\/noindex><\/p>\n

Skaleeritavus on kahte t\u00fc\u00fcpi: vertikaalne ja horisontaalne. Esimesel juhul saavutatakse lahenduse j\u00f5udluse kasv, lisades olemasolevatele IT-infrastruktuuri s\u00f5lmedele arvutusv\u00f5imet ja muid ressursse, samas kui teisel juhul saavutatakse j\u00f5udluse kasv, lisades uusi arvutis\u00f5lmi, mis v\u00f5tavad osa koormusest enda kanda. Zimbra Koost\u00f6\u00f6s\u00fcsteem toetab nii horisontaalset kui vertikaalset skaleerimist.<\/p>\n

Vertikaalne skaleerimine, kui otsustate lisada oma serverile arvutusv\u00f5imet, ei erine palju Zimbra k\u00fclge migreerimisest uuele, v\u00f5imsamale serverile. K\u00fcll aga, kui otsustate lisada serverile teise e-posti salvestusmahu, siis peaksite kindlasti silmitsi seisma Zimbra Open-Source Edition'i piiranguga. Asi on selles, et Zimbra tasuta versioonis ei saa lisada teisi mahtu e-posti salvestamiseks. Selle probleemi lahendamiseks tasuta Zimbra toimetamise kasutajatele on m\u00f5eldud Zextras PowerStore laiendus, mis v\u00f5imaldab serverile lisada nii f\u00fc\u00fcsilisi kui ka pilvep\u00f5hiseid S3 teisi salvestusmahuteid. Lisaks sellele sisaldab PowerStore Zimbra-s koode, mis tegelevad andmete tihendamise ja deduplikeerimisega, mis v\u00f5ivad suurendada olemasolevate salvestusseadmete andmete salvestamise efektiivsust. <\/p>\n

Eriti n\u00f5udlik on sekundaarsete vol\u00fc\u00fcmide loomine ISP-de seas, kes kasutavad esmasena kiireid, kuid kallimaid SSD-sid, samas kui sekundaarne salvestus paikneb aeglastel, kuid odavamatel HDD-del. Aitavad suuremad efektiivsused kasutada l\u00e4bipaistvaid linke, mis salvestatakse SSD-dele, v\u00f5imaldades s\u00fcsteemil endiselt \u00fcsna kiiresti t\u00f6\u00f6tada, ja andmete kokkusurumise ning dedupe r\u00e4\u00e4kimise t\u00f5ttu v\u00f5ib iga server salvestada palju rohkem e-kirju. Selle tulemusena, majanduse efektiivsus serverid<\/a> sekundaarsete salvestustega ja Zextras PowerStore on oluliselt k\u00f5rgem, kui kasutada Zimbra OSE standardset funktsionaalsust.<\/p>\n

\"Zimbra
\n
\nHorisonaalne skaleerimine, m\u00e4\u00e4ratlemise j\u00e4rgi, saab rakendada ainult mitme serveri infrastruktuuris. Kuna mitme serveri installatsioonis on k\u00f5ik Zimbra moodulid hajutatud erinevatele masinatele, on administraatoril praktiliselt l\u00f5pmatu v\u00f5imalus lisada uusi LDAP-replikate, MTA- ja Proxy-servereid ning postkaste. <\/p>\n

Uute s\u00f5lmede lisamise protsess kordab eespool kirjeldatud protsessi \u00fches meie varasemas artiklis<\/a><\/noindex> mitme serveri Zimbra installatsioonist. Piisab, kui installida serverisse vajalikud Zimbra moodulid ja t\u00e4psustada Master LDAP aadress, samuti sisestada autentimise andmed. P\u00e4rast seda muutuvad uued s\u00f5lmed Zimbra infrastruktuuri osaks, ning Zimbra Proxy tagab koormuse jaotuse serverite vahel. Samuti j\u00e4\u00e4vad k\u00f5ik varasemad postkasti kontod ja nende sisu neile salvestitele, kus nad varem olid. <\/p>\n

Tavaliselt lisatakse Zimbra infrastruktuuri uusi postkaste, arvestades \u00fchte serverit 2500 aktiivse Zimbra veebikliendi kasutaja ja kuni 5-6 tuhande e-posti lauakliendi ja mobiilse kliendi kasutaja kohta. Selline kasutajate arv v\u00f5imaldab saavutada serveri maksimaalselt respondiivset t\u00f6\u00f6d ja v\u00e4ltida probleeme k\u00e4ttesaadavuse ja pika laadimise ajaga.<\/p>\n

Lisaks on mitme \u0441\u0435\u0440\u0432\u0435\u0440iga infrastruktuuri administraatoritel juurdep\u00e4\u00e4s ka secundaarsetele salvestuskohtadele ning e-posti salvestustes kompressioonile ja deduplikatsioonile Zextras PowerStore'i abil. Selle zimlet'i kasutamine v\u00f5imaldab kokku hoida kuni 50% salvestusruumist, mis koos kogu infrastruktuuri majanduslikku efektiivsuse t\u00f5usuga. Suurte teenusepakkujatega seoses v\u00f5ib sellise infrastruktuuri optimeerimise majanduslik m\u00f5ju t\u00f5eliselt suuri numbreid saavutada.
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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