MakompyutaZithunzi

MySQL kubwereza. Ulendo wapfupi

Posakhalitsa, pamaso pa wotsogolera aliyense, pali vuto pamene mphamvu ya maseva ake sali okwanira kuchita ntchito, ndipo kugula kwa zipangizo zatsopano sikungatheke chifukwa cha mavuto azachuma, kapena kugula kumeneku kumadzutsa kukayikira za kubwezeretsa kwake m'tsogolomu.

Malinga ndi zochitika zoterezi, sizosangalatsa kuphunzira za lingaliro limeneli monga kubwereza mndandanda. Kudziwa koteroko kumapangitsa kuti moyo wa munthu aliyense wogwira ntchito zowonongeka kwambiri ukhale wophweka ndipo adzakhazikitsa njira yabwino yogwirira ntchito. Kawirikawiri, kubwereza deta kumaphatikizapo kugwiritsa ntchito mphamvu za makompyuta kuti zipangitse kuti ntchitoyi ikhale yolekerera. Zotsatira zoyamba zikhoza kupindulidwa mwa kuponyera gawo la zopempha ku seva loyima, ndipo lachiwiri pakupanga kopi yachinsinsi ya malo, yomwe, ngati kuli koyenera, idzalowe m'malo mwachinsinsi chachikulu.

Njira yosavuta komanso yowonongeka yokonzekera kubwereza ndikubwezeretsa kwa MySQL. Ndipo MySQL imathandizira ntchitoyi ndi ndondomeko 3.23.15 ndi njira imodzi yokha yobwerezera. Pachifukwa ichi, kasinthidwe wapadera "akapolo" amamangidwa, kumene mbuye angakhalenso akapolo akapolo.

Kubwezeretsa kwa MySQL kumagwiritsidwa ntchito motere. Seva yaikulu yakhazikitsidwa, yomwe udindo wawo ndi kuyang'anira kusintha kwa fayilo yachitsulo, yomwe imawonetsera kusintha konse ku deta ndi makina kapena akapolo omwe amawerenga ndi kuyankha mafunso kuchokera pa fayilo. Seva ya kapolo nthawizonse imagwirizanitsidwa ndi mbuye, kotero kusintha konse komwe kunachitikira mbuye kumapita kwa kapolo, ndipo palibe vuto la kusiyana ndi kusalondola kwa deta.

MySQL Replication Yakhazikitsidwa m'magulu angapo.

  1. Woyang'anira dongosolo ayenera kuonetsetsa kuti makina ake onse ali ndi mawonekedwe atsopano a MySQL.
  2. Muyenera kupanga watsopano wogwiritsa ntchito pa seva yamtundu, pomwe kupitako kwa MySQL kudzalowetsedwa (ziyenera kukhala ndi mwayi wa FILE komanso ufulu wolumikizana ndi akapolo).
  3. Pambuyo pake, muyenera kusiya MySQL pa ma seva ambuye ndi akapolo ndikukopera deta yonse yokhudzana ndi kubwereza. Pa machitidwe a Unix, izi zikhoza kuchitika ndi lamulo la tar, zomwe zimapangitsa kusungirako zosungiramo zosungiramo zolemba zonse. WinZip ndi yabwino kwa ogwiritsa ntchito Windows.
  4. Onjezerani mizere yotsatira ku gawo langa: server-id = nambala yapadera, log-bin. Zonsezi zimapangidwa pa fayilo yanga ya My.conf pa seva yambuye, kenako imayenera kulemedwa.
  5. Pa akapolo mu fayilo lomwelo, muyenera kuwonjezera mawu awa:

Mphunzitsi-wothandizira =

Wogwiritsa ntchito =

Master-password =

Master-port =

Seva-id =

* Mu makina ang'onoang'ono atatu muyenera kulowa deta yanu, osati malemba apamwambawa.

Pamapeto pake, lembani zonsezi kwa ma seva akapolo ndikuyambanso makina onse.

Pambuyo pazochitika zoterezi, kubwerezabwereza kungaganizidwe koyikidwa ndi kukonzedwa, zomwe zikutanthauza kuti tsopano seva yanu yaikulu siidzakhala ndi vuto lalikulu ndipo ngati zolephera za tebulo lililonse pa izo zikhoza kubwezeretsedwa mosavuta kuchokera ku kompyuta ina. Chotsatira chake, n'zotheka kuiwala zaka zingapo za kugula zipangizo zatsopano za machitidwe olemetsa komanso kukhutira ndi ntchito yokhazikitsidwa ya zipangizo zomwe zilipo kale.

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