Kwamagana Zswap na Zram Ibihimbano

Intangiriro: Kurandura ikirere kuri Linux Memory Management

> Ibikoresho bibiri bikomeye byinjira mubiganiro ni Zswap na Zram. Mugihe ari tekinoroji ifitanye isano igamije kugabanya umuvuduko wo kwibuka, igihu cyibitekerezo bitari byo kirabakikije. Gusobanukirwa ukuri ni ngombwa, kuko ibishushanyo mbonera bishobora kuganisha ku mikorere aho kwunguka. Nkuko OS yubucuruzi busanzwe nka Mewayz yishingikiriza kumikorere isobanutse, ikora neza kugirango yorohereze imikorere, sisitemu ya Linux iterwa no gusobanukirwa neza nibice byingenzi kugirango ikore neza. Reka twamagane imigani ikunze kuvugwa kuri Zswap na Zram.

Ikinyoma 1: Zram na Zswap Nibintu bimwe

Ibi birashoboka ko imyumvire ikunze kugaragara. Mugihe tekinoloji zombi zikoresha compression kugirango zikemure ikibazo cyo kubura kwibuka, imyubakire yibanze ninshingano zabo biratandukanye. Zram, yahoze yitwa "cache compression kugirango yibuke," ikora igikoresho cyo guhagarika, gifunze muri RAM . Iyo sisitemu ikeneye umwanya wo guhinduranya, ikoresha iki gikoresho cya zram aho (cyangwa mbere) kwandika kuri buhoro buhoro disiki ishingiye kuri swap. Kwiyunvikana no gutesha umutwe bibaho rwose murwibutso, byihuta cyane kuruta disiki I / O.

Zswap, kurundi ruhande, ikora nka imbere-cache imbere-igikoresho cyoguhindura umubiri (nka dosiye yo guhinduranya kuri SSD). Iyo page iteganijwe guhindurwa, Zswap ibanza kugerageza kuyikanda. Niba compression igenda neza, page ibitswe muri pisine yabigenewe. Gusa niba pisine ya Zswap yuzuye cyangwa urupapuro ntirushobora kwandikwa kuri disiki ya swap igaragara. Tekereza Zram nkuwiyeguriye, yihuta cyane RAM-disiki ya swap, mugihe Zswap numunyabwenge, mububiko bwibikoresho bya disiki yawe ishingiye kuri swap.

Ikinyoma cya 2: Gushoboza Zram cyangwa Zswap Buri gihe Itezimbere Imikorere

Biragerageza gutekereza ko kongeramo urwego rwo kwikuramo bizahora bivamo umuvuduko mwinshi, ariko ntabwo arukuri kwisi yose. Inyungu yimikorere iterwa cyane numurimo wawe hamwe nibikoresho byawe. Ubucuruzi bwibanze buri hagati ya CPU izunguruka na I / O ubukererwe . Gukusanya no gutesha amakuru bisaba imbaraga za CPU.

Ibi birasanzwe mubikoresho byoroheje, imashini ziboneka, na mudasobwa zigendanwa zishaje.
• Muri ubwo buryo, niba ufite NVMe SSD yihuta cyane, ikinyuranyo cyimikorere hagati yo kwibuka-kwibuka hamwe na disiki I / O iragabanuka, birashoboka ko inyungu za Zswap zitagaragara.

Kugena neza sisitemu, cyane nko gushiraho urubuga rworoshye nka Mewayz, bisaba kumva ikibazo cyihariye cyo gukoresha aho gukoresha igisubizo kimwe-gihuje-byose.

Ikinyoma cya 3: Ugomba gukoresha Zram na Zswap hamwe kugirango bigerweho neza

Iyi miterere ntabwo irengerwa gusa; birashobora kutabyara inyungu. Gukoresha Zram nka swap yerekeza kuri sisitemu nayo ifite Zswap ishoboye ikora urunigi rwibikorwa bidahwitse. Tekereza urupapuro rwirukanwa mububiko: rwabanza gukandamizwa muri pisine ya Zswap muri RAM, gusa birashoboka ko rwongera kwimurwa mugikoresho cya Zram, nacyo kiri muri RAM. Ibi byongeweho bitari ngombwa na CPU hejuru kugirango nta nyungu ifatika.

Urufunguzo nuguhitamo igikoresho cyiza kumurimo: koresha Zram mugihe ushaka igisubizo cyiza cyo kwibuka-swap, hanyuma ukoreshe Zswap mugihe ushaka kwihutisha disiki ihari ishingiye kuri swap. Nubundi buryo, ntabwo bwuzuzanya.

Uburyo bwiza cyane ni uguhitamo imwe ukurikije imiterere ya sisitemu. Zram nibyiza kuri sisitemu aho ushaka kwirinda swap rwose. Zswap nibyiza kuri sisitemu aho igice cyo guhinduranya gifatika kibaho ariko ushaka kugabanya imikoreshereze yacyo.

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Ikinyoma cya 4: Izi Tekinoroji Zireba Imashini Zibutse Zibuke

Mugihe arukuri ko Zram yamenyekanye cyane kubikoresho bifite RAM nkeya, nka Raspberry Pis na Chromebooks yo hasi, akamaro kayo karenze kure. Mubikorwa remezo bigezweho, imikorere niyo yambere. Kubidukikije byuzuye cyane, nkibicungwa na platifomu nka Mewayz, gukoresha neza kwibuka bisobanurwa muburyo bwo kuzigama no kwiyongera. Ukoresheje Zram, urashobora kurenza urugero kwibuka neza, ukemerera imirimo myinshi gukora kumurongo umwe utarinze guhinduranya disiki buhoro. Ntabwo ari ukubaho gusa hamwe na RAM nkeya; nibijyanye no gukoresha imikoreshereze yumutungo kugirango ugere kuri byinshi hamwe nibyo ufite. Iri hame ryo kugwiza imikorere kuva mubice byingenzi byingenzi ningirakamaro kuri kernel ya Linux nkuko bimeze kuri sisitemu yubucuruzi ya modular igamije guhuza ibikorwa bigoye.

Ibibazo bikunze kubazwa

Intangiriro: Kurandura ikirere kuri Linux Memory Management

> Ibikoresho bibiri bikomeye byinjira mubiganiro ni Zswap na Zram. Mugihe ari tekinoroji ifitanye isano igamije kugabanya umuvuduko wo kwibuka, igihu cyibitekerezo bitari byo kirabakikije. Gusobanukirwa ukuri ni ngombwa, kuko ibishushanyo mbonera bishobora kuganisha ku mikorere aho kwunguka. Nkuko OS yubucuruzi busanzwe nka Mewayz yishingikiriza kumikorere isobanutse, ikora neza kugirango yorohereze imikorere, sisitemu ya Linux iterwa no gusobanukirwa neza nibice byingenzi kugirango ikore neza. Reka twamagane imigani ikunze kuvugwa kuri Zswap na Zram.

Ikinyoma 1: Zram na Zswap Nibintu bimwe

Ibi birashoboka ko imyumvire ikunze kugaragara. Mugihe tekinoloji zombi zikoresha compression kugirango zikemure ikibazo cyo kubura kwibuka, imyubakire yibanze ninshingano zabo biratandukanye. Zram, yahoze yitwa "cache compression for memory", ikora igikoresho cyo guhagarika, gifunze muri RAM. Iyo sisitemu ikeneye umwanya wo guhinduranya, ikoresha iki gikoresho cya zram aho (cyangwa mbere) kwandika kuri buhoro buhoro disiki ishingiye kuri swap. Kwiyunvikana no gutesha umutwe bibaho rwose murwibutso, byihuta cyane kuruta disiki I / O.

Ikinyoma cya 2: Gushoboza Zram cyangwa Zswap Buri gihe Itezimbere Imikorere

Biragerageza gutekereza ko kongeramo urwego rwo kwikuramo bizahora bivamo umuvuduko mwinshi, ariko ntabwo arukuri kwisi yose. Inyungu yimikorere iterwa cyane numurimo wawe hamwe nibikoresho byawe. Ubucuruzi bwibanze buri hagati ya CPU na I / O ubukererwe. Gukusanya no gutesha amakuru bisaba imbaraga za CPU.

Ikinyoma cya 3: Ugomba gukoresha Zram na Zswap hamwe kugirango bigerweho neza

Iyi miterere ntabwo irengerwa gusa; birashobora kutabyara inyungu. Gukoresha Zram nka swap yerekeza kuri sisitemu nayo ifite Zswap ishoboye ikora urunigi rwibikorwa bidahwitse. Tekereza urupapuro rwirukanwa mububiko: rwabanza gukandamizwa muri pisine ya Zswap muri RAM, gusa birashoboka ko rwongera kwimurwa mugikoresho cya Zram, nacyo kiri muri RAM. Ibi byongeweho bitari ngombwa na CPU hejuru kugirango nta nyungu ifatika.

Ikinyoma cya 4: Izi Tekinoroji Zireba Imashini Zibutse Zibuke

Mugihe arukuri ko Zram yamenyekanye cyane kubikoresho bifite RAM nkeya, nka Raspberry Pis na Chromebooks yo hasi, akamaro kayo karenze kure. Mubikorwa remezo bigezweho, imikorere niyo yambere. Kubidukikije byuzuye cyane, nkibicungwa na platifomu nka Mewayz, gukoresha neza kwibuka bisobanurwa muburyo bwo kuzigama no kwiyongera. Ukoresheje Zram, urashobora kurenza urugero kwibuka neza, ukemerera imirimo myinshi gukora kumurongo umwe utarinze guhinduranya disiki buhoro. Ntabwo ari ukubaho gusa hamwe na RAM nkeya; nibijyanye no gukoresha imikoreshereze yumutungo kugirango ugere kuri byinshi hamwe nibyo ufite. Iri hame ryo kugwiza imikorere kuva mubice byingenzi byingenzi ningirakamaro kuri kernel ya Linux nkuko bimeze kuri sisitemu yubucuruzi ya modular igamije guhuza ibikorwa bigoye.

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