{"id":55519,"date":"2020-01-22T00:00:00","date_gmt":"2020-01-21T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard"},"modified":"2020-02-18T14:03:38","modified_gmt":"2020-02-18T11:03:38","slug":"dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","title":{"rendered":"P\u00ebr Btrfs \u00ebsht\u00eb ofruar nj\u00eb realizim asinkron i DISCARD.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u00ebr sistemin e skedar\u00ebve btrfs \u00ebsht\u00eb paraqitur.<\/a><\/noindex> implementimi asinkron i operacionit DISCARD (sh\u00ebnimi i bllok\u00ebve t\u00eb lir\u00eb, t\u00eb cil\u00ebt nuk \u00ebsht\u00eb m\u00eb e nevojshme t'i ruajm\u00eb fizikisht), i realizuar nga inxhinier\u00ebt e kompanis\u00eb Facebook.<\/p>\n

Thelbi i problemit: n\u00eb zbatimin origjinal, DISCARD ekzekutohet sinkronisht me operacione t\u00eb tjera, q\u00eb n\u00eb disa raste shkakton probleme performanc\u00ebs, pasi duhet t\u00eb pritet p\u00ebr t\u00eb p\u00ebrfunduar komandat p\u00ebrkat\u00ebse nga grumbulluesit, duke k\u00ebrkuar koh\u00eb shtes\u00eb. Kjo mund t\u00eb b\u00ebhet problematike n\u00eb rastin kur implementimi i DISCARD nga grumbulluesi punon ngadal\u00eb. <\/p>\n

Me implementimin asinkron, nuk \u00ebsht\u00eb e nevojshme t\u00eb pritet p\u00ebr p\u00ebrfundimin e DISCARD nga grumbulluesi gjat\u00eb funksionimit normal t\u00eb FS, q\u00eb zgjidh problemin, duke e \u00e7uar k\u00ebt\u00eb operacion n\u00eb nivelin e aktiviteteve n\u00eb sfond. Implementimi i paraqitur gjithashtu kryen disa optimizime. P\u00ebr shembull, ai pret pak koh\u00eb p\u00ebr arsye se blloku mund t\u00eb p\u00ebrdoret s\u00eb shpejti, duke b\u00ebr\u00eb q\u00eb t\u00eb mos ket\u00eb kuptim p\u00ebr kryerjen e procedur\u00ebs DISCARD, dhe gjithashtu p\u00ebrpiqet t\u00eb bashkoj\u00eb rajonet para ekzekutimit t\u00eb v\u00ebrtet\u00eb t\u00eb DISCARD me q\u00ebllim t\u00eb reduktimit t\u00eb numrit t\u00eb p\u00ebrgjithsh\u00ebm t\u00eb operacioneve.<\/p>\n

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

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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