I/O gansan musaka lakika
Kow fɔcogo
Mewayz Team
Editorial Team
aw ka jago porogaramuw bɛ sumaya ka tɛmɛ a ka kan ka kɛ cogo min na — Wa Random I/O ye jalakibaga yebali ye
Tuma o tuma ni kiliyan dɔ bɛ ŋunan dashboard dɔ la min bɛ sumaya, tuma o tuma n’i ka kulu bɛ segin saba wɛrɛ makɔnɔ walasa rapɔɔri ka doni, ani tuma o tuma n’i ka jatebɔ ɲɛ ye sannikɛla dɔ bɔnɛ muɲunbaliya la — a bɛ se ka kɛ ko random I/O bɛ ka i ka sɔrɔ tiɲɛ ni dususuma ye O tɛ buzzword ye min maralen bɛ database engineers (daɲɛgafe injiniyɛriw) de kama. O ye buteli ye min bɛ se ka suman, min musaka ka bon, min dogolen bɛ jagokɛcogo bɛɛ lajɛlen kɔnɔ, k’a ta CRM ɲininiw na ka se faturaw bɔli ma. A musaka lakika faamuyali tɛ fɛɛrɛko dɔrɔn ye — wariko de don. Kɔnpɔsi minnu t’a janto a la, olu bɛ sɔngɔ sara sankaba wari fulenw na, kiliyan bɔnɛnenw na, ani ekipu minnu sirilen bɛ makɔnɔni na ɛkranw kan minnu ka kan ka doni o yɔrɔnin bɛɛ.
I/O kɔrɔ ye min ye tiɲɛ na (ani mun na a sɔngɔ ka gɛlɛn )
A kɔnɔko la, I/O — don/bɔ — ye kunnafoniw kalanni ni u sɛbɛnni taabolo ye ka taa u marayɔrɔ la. Ni i ka baarakɛminɛn ye sɛbɛnw ta ka bɔ kunnafonidilan dɔ kɔnɔ, ka dosiyew don disiki kɔnɔ, walima ka jago sɛbɛnw sɛbɛn, a bɛ I/O baara kɛ. O baara ninnu bɛ na ni daamu fila ye : sequence ani random. I/O tugu-tugulen bɛ kunnafoniw kalan walima k’u sɛbɛn blokiw kɔnɔ minnu bɛ ɲɔgɔn kɛrɛfɛ, i n’a fɔ gafe kalanni k’a ta a daminɛ na fo a laban na. Random I/O bɛ pan ka yaala-yaala cogo la min tɛ se ka fɔ, i n’a fɔ ka wuli ka taa ɲɛ 47 la, o kɔfɛ ka taa ɲɛ 3 la, ka sɔrɔ ka ɲɛ 812.
baarakɛcogo danfara min bɛ nin misali fila ni ɲɔgɔn cɛ , o bɛ mɔgɔ kabakoya . Laadalata disiki gɛlɛn kan, kalansenw tugu-tugulen bɛ se ka se ka baara kɛ ni 150-200 MB/s ye, k’a sɔrɔ kalanni gansanw ka teli ka sɛgɛsɛgɛli kɛ ni 0,5-1,5 MB/s ye — danfara min bɛ 100x walima ka tɛmɛ o kan. Hali bi NVMe SSDw kan, minnu bɛ I/O baarakɛcogo ɲɛ ka t’a fɛ kosɛbɛ, o danfara bɛ daminɛ hali bi 5x na ka se 20x ma ka kɛɲɛ ni baara hakɛ ye. Ni i ka jagokɛcogo bɛ kalan ɲinini misɛnnin ba caman bɔ, minnu jɛnsɛnnen don segin kɔnɔ — ka kiliyan tɔgɔ sama yan, ka fatura layini dɔ sama yen, ka yamaruya sɛgɛsɛgɛli kɛ yɔrɔ wɛrɛ la — hop kelen-kelen bɛɛ bɛ latɛmɛni don min suman na mikrosekɔndi kɔnɔ min bɛ fara ɲɔgɔn kan ka kɛ baarakɛla ka makɔnɔni waati lakika seginw ye.
Fiziki ma Changé san tan caman kɔnɔ : kunnafoniw sɔrɔli minnu jɛnsɛnnen don marayɔrɔ la , o bɛ teliya kosɛbɛ ka tɛmɛ u lasegincogo kan ka kɛɲɛ ni u labɛncogo ye . Fɛn min Changé, o ye bi baarakɛminɛnw bɛ I/O gansanw lawuli cogo min na, o b’a to a musaka tɛ se ka fɔ ka ban.
Taasi dogolen min bɛ jago baara bɛɛ kan
Aw ye jateminɛ kɛ min bɛ kɛ ni baarakɛla kelen ye CRM dakun da wuli . Aplikasiɔn bɛ ɲininkali kɛ kiliyan tabali dɔ la, k’a fara ɲɔgɔn kan ni baara sɛbɛnw ye minnu bɛ kɛ kɔsa in na, ka bɛnkan nafaw sama minnu bɛ tali kɛ ɲɔgɔn na, ka baarakɛlaw ka yamaruyaw lajɛ, ka kunnafoni jatew doni, ani ka jiracogo fɛɛrɛw ta. O ɲininkali kelen-kelen bɛɛ bɛ se ka maga tabali suguya wɛrɛw la minnu maralen bɛ yɔrɔw la disiki kan. Dashboard min bɛ kiliyanw ka sɛbɛnw 50 jira, o bɛ se ka 300 fo 500 I/O baarakɛcogo gansan lawuli hood jukɔrɔ. I k’o caya ni baarakɛla 200 ye minnu bɛ baara kɛ ɲɔgɔn fɛ baarakɛwaati caman na, wa i ka kunnafonidilan baarakɛla bɛ ka kalan kɛ ka tɛmɛ 100.000 kan segin kɔnɔ.
Nin tɛ hakilinata ye . Percona ka san 2024 sɛgɛsɛgɛli dɔ y’a jira ko kunnafonidilanw baarakɛta minnu ma ɲɛ kosɛbɛ, olu bɛ se ka 68% kɛ u ka waleyali waati bɛɛ lajɛlen na ka makɔnɔni kɛ I/O baarakɛcogo la, ni sɔrɔcogo gansanw de ye jurumukɛla fɔlɔ ye. SaaS tɔn min bɛ baara kɛ jagokɛla ba caman ye, o bɛ baara kɛ ni fɛnsɔrɔ musaka caman ye. Sankaba dilanbagaw bɛ wari sara IOPS fɛ (I/O baarakɛcogo segin kɔnɔ), ani I/O-baarakɛminɛn gɛlɛn minnu bɛ kɛ k’a sɔrɔ u ma kɛ cogo si la, olu bɛ se ka kalo o kalo marali wariw gɛlɛya ka bɔ kɛmɛ caman na ka se dɔrɔmɛ ba tan ma — a tɛ kɛ k’a sababu kɛ kunnafonidilanw hakɛ ye, nka k’a sababu kɛ sɔrɔcogo ye.
Musow bɛ tɛmɛn fɛnsɔrɔsiraw kan . Milisekɔndi 100 o milisekɔndi 100 farala ɲɛw doni waati kan, o bɛ dɔ bɔ fɛn caman tigɛli hakɛ la ni 7% ɲɔgɔn ye, ka kɛɲɛ ni ɲininiw ye minnu bɔra Akamai fɛ. Ni I/O random ye segin dafalen fara i ka fatura bɔli kan walima i ka rapɔɔri doni kan, i tɛ jatebɔ dɔrɔn jeni — i bɛ sɔrɔ jeni.
Jagokɛlaw ka baarakɛminɛnw bɛ baara kɛcogo joli bɔ yɔrɔ min na
fɛn bɛɛ tɛ dabɔ cogo kelen na ni a bɛ tali kɛ I/O misaliw la . Jagokɛcogo minnu ka ca kosɛbɛ, olu dɔw fana ye kojugukɛlaw ye minnu ka jugu kosɛbɛ sɔrɔli la k’a sɔrɔ u ma kɛ cogo si la:
- Ɲini ni filɛli : ɲininkali kɛli foro caman kɔnɔ (tɔgɔ, don, cogoya, taamasiyɛnw) o bɛ kunnafonidilan wajibiya ka index (index)w sɛgɛsɛgɛ minnu jɛnsɛnnen don marayɔrɔ la, ka kalan gɛlɛnw lawuli k’a sɔrɔ u ma kɛ cogo si la
- Dashboard aggregations : Sɔrɔw faralen ɲɔgɔn kan, ka baarakɛlaw jate, walima ka fatura minnu tɛmɛna waati tɛmɛnenw na, o bɛ maga jirisun ba caman na minnu jɛnsɛnnen don kunnafonidilanw ɲɛw kan
- Izini sɛgɛsɛgɛliw : jɔyɔrɔfalen doncogo kɔlɔsili min bɛ kɛ lokatɛri caman ka sigidaw la, a ka c’a la, o bɛ ɲinini caman wajibiya ɲinini kelen na — baarakɛla → jɔyɔrɔ → yamaruyaw → nafolo — kelen-kelen bɛɛ bɛ tabali danfaralenw gosi
- Jateminɛw bɔli : kalo sarako rapɔɔriw, kurunbonkarilaw ladonni kuncɛlenw, walima HR sɛgɛsɛgɛliw bɛ kunnafoniw sama ka bɔ tabali tan ni caman na waati kelen na
- Kunnafoni minnu bɛ kɛ waati yɛrɛ la : cikan kuraw, baara kuraw, ani sistɛmu lasɔminiw sɛgɛsɛgɛli moduluw kɔnɔ, o bɛ ɲininkali misɛnninw, k’a sɔrɔ u ma kɛ cogo si la
Pattern in jɛlen don : ni plateforme dɔ bɛ modules ni features caman di , I/O siraw bɛ caya ka taa a fɛ . Link-in-bio baarakɛminɛn nɔgɔman bɛ se ka ɲininkali 10 lawuli ɲɛ doni kelen-kelen bɛɛ la. Jagokɛyɔrɔ dafalen min bɛ ni CRM, fatura, HR, sarako, jatebɔ, ani jateminɛ moduluw ye — i n’a fɔ Mewayz bɛ min di a ka modulu 207 kɔnɔ — o bɛ se ka kɛmɛ caman sɔrɔ teori la. Danfara min bɛ plateforme min bɛ i n’a fɔ yɔrɔnin kelen ani min bɛ i n’a fɔ a bɛ sɛgɛn, o bɛ jigin tuma caman na o I/O misaliw bɛ ɲɛnabɔ ni hakilitigiya ye cogo min na kɔfɛ.
Mun na minɛnw filili gɛlɛya la , o tɛ baara kɛ
instinct ni applications bɛ sumaya , o ye ka upgrade ye . Server belebelebaw, SSD teliyalenw, RAM caman. Wa hali ni fɛnɲɛnamafagalanw ɲɛnabɔli bɛ dɛmɛ don, u bɛ tugu nafa dɔgɔyali siratigɛ la min bɛ CFOw kɛ u lafiyabali ye. Ni i ye i ka database server ka RAM fila kɛ ka bɔ 64GB la ka se 128GB ma, o bɛ se ka cache hit rates ɲɛ ka bɔ 92% na ka se 96% ma — o ye tɔnɔ kɔrɔ ye, nka cache misses 4% tɔ bɛ sɔrɔ hali bi storage la ni I/O random ye. Ni i ye i ka IOPS tilali kɛ siɲɛ saba AWS kan ka bɔ 3000 na ka se 10000 ma, o musaka bɛ se dɔrɔmɛ 450 ma kalo o kalo nka a bɛ se ka p99 jaabi waatiw ɲɛ ka tɛmɛ 30% dɔrɔn kan.
gɛlɛya lakika ye fɛn dilanni ye . A ka c’a la, I/O gansan ye ko juguw taamasyɛn ye : index (index) minnu tununna walima minnu ma labɛn ka ɲɛ, N+1 ɲininkali kɛcogo minnu na baarakɛminɛn bɛ kunnafonidilan weleli kelen kɛ fɛn kelen-kelen bɛɛ la sanni ka kɛ batch (batch) ye, schemas (schemas) minnu bɛ kɛ ka caya kojugu minnu bɛ tabali jɛ-ka-baara duuru wajibiya jiracogo kelen na, ani kalansenw ɲɔgɔnna walima caching layers (caching layers) dɛsɛ. Hardware upgrades bɛ bana taamasiɲɛ furakɛ. Architectural optimization bɛ sababu furakɛ.
yeyeI/O baara min sɔngɔ ka gɛlɛn kosɛbɛ , o ye min man kan ka kɛ fɔlɔ . Dɔrɔmɛ kelen-kelen bɛɛ musaka min bɛ kɛ ka fɛnw mara teliya la, santimɛtɛrɛ tan min bɛ musaka kɛ ɲininkaliw ɲɛnabɔli la, o bɛ na ni nɔ ɲumanw ye. Baarakɛda minnu bɛ se sɔrɔ baarakɛcogo la, olu tɛ musaka kɛ ka tɛmɛ u ka ɲɔgɔndan kan — u bɛ miiri ka tɛmɛ u ka kunnafonidilanw sɔrɔcogo kan.
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Fɛɛrɛ waleyali minnu bɛ dɔ bɔ tiɲɛ na I/O gansanw na
I/O gansan dɔgɔyali tɛ i ka baarakɛminɛn sɛbɛn kokura dafalen wajibiya . A bɛ fɛn dɔw de wajibiya fɛn minnu bɛ se ka Changer, minnu bɛ se ka suman, kunnafoniw maracogo, u sɔrɔcogo ani u maracogo la. Fɛɛrɛ minnu bɛ nɔba lase mɔgɔw ma, olu filɛ nin ye :
- Ɲininkali kuluw sigicogo juguw waleya . N+1 ɲininkali misaliw bila doni kɔrɔtɔlen nɔ na . Ni i ka dashboard ye kiliyan 50 doni ani u ka baara kɛlen kɔsa in na, i ka baarakɛminɛn 50 bɛɛ lajɛlen ta ɲininkali kelen kɔnɔ ni
WHERE customer_id IN (...)ye sanni ka ɲinini kelen-kelen 50 kɛ. O dɔrɔn bɛ se ka dɔ bɔ I/O gansanw na ni 80% ye lisi filɛliw kan. - I ka baara kɛ ni index composites ye fɛɛrɛ siratigɛ la. Index composite min bɛ
(tenant_id, status, created_at)kan, o b’a to kunnafonidilan bɛ ɲininkali filɛriw wasa minnu bɛ kɛ tuma bɛɛ ni index scan kelen ye min bɛ tugu ɲɔgɔn na sanni ka ɲinini caman kɛ k’a sɔrɔ u ma kɛ index danfaralenw kɔnɔ. - Ka cache layɛrɛ dɔ sigi sen kan ni hakilitigiya tiɲɛni ye. Cache minnu bɛ sɔrɔ tuma caman na nka u man teli ka Changer data — baarakɛlaw ka yamaruyaw, jɛkulu sigicogo, modulu labɛncogo — hakili la. Redis walima Memcached bɛ se ka ninnu baara mikrosekɔndi kɔnɔ, ka kalan ba caman ban miniti kelen kɔnɔ.
- Jɛkulu ka kɔn ka jatebɔ kɛ . Sani i ka kalo sɔrɔ walima kunkolo jate dasibɔri doni kelen-kelen bɛɛ kan , jɛkafɔ baara kɛ waatibolodalen dɔ kan , ka sɔrɔw mara . Jago kɛ kunnafonidilan kura hakɛ fitinin dɔ la walasa ka dɔ bɔ kosɛbɛ waati yɛrɛ la I/O gansan na.
- Tabali belebelew tila-tila ka kɛɲɛ ni doncogo ye. Ni ɲininkali 90% magara kunnafoniw na minnu bɔra tile 30 tɛmɛnenw na, i ka tabali tila ka kɛɲɛ ni donw hakɛ ye walasa tilali baarakɛta ka to funteni na cache kɔnɔ k’a sɔrɔ tariku kunnafoniw ka sigi nɛnɛ na marayɔrɔ sɔngɔ gɛlɛnw kan.
Nin tɛ fɛɛrɛ wɛrɛw ye . U ye misali kelenw ye minnu b’a to plateforme minnu bɛ baara kɛ baarakɛla ba kɛmɛ caman ye, olu bɛ se ka jaabi waatiw mara segin-ka-bɔnyew kɔnɔ, ɲɔgɔndan gɛlɛnw kɔnɔ, minnu bɛ kɛ ni modulu caman ye. Tuma min na Mewayz y’a ka fɛn dilanni jɔ kokura V2 kama — ka bɔ link-in-bio baarakɛminɛn kelen na ka taa jagokɛla OS 207-module la min bɛ baara kɛ ni baarakɛla 138.000 ni kɔ ye — I/O sɔrɔli cogoyaw ɲɛnabɔli kɛra jusigilan ye walasa o yiriwali in ka se ka kɛ k’a sɔrɔ a ma fɛnsɔrɔ musakaw caya ka kɛɲɛ ni ɲɔgɔn ye.
A bɛ nɔba bila baarakɛlaw ka ko kɛlenw ni u marali la
Baarakɛcogo tɛ kɔkanna haminanko dɔrɔn ye — a ye fɛn dilannenw ka baarakɛcogo ye. Google ka ɲininiw y’a jira tuma bɛɛ ko mobile baarakɛlaw 53% bɛ ɲɛ dɔ bila min bɛ tɛmɛ segin 3 kan walasa ka doni. Jagokɛyɔrɔw la, baarakɛlaw bɛ ɲɔgɔn sɔrɔ siɲɛ tan ni caman tile kɔnɔ, muɲuli bɛ dɔgɔya yɛrɛ. Sarako ɲɛmɔgɔ min bɛ dɔgɔkun o dɔgɔkun rapɔɔriw boli, HR ɲɛmɔgɔ min bɛ ɲininikɛlaw lajɛ, walima feerekɛla min bɛ pibiliki cogoya lajɛ — o baarakɛlaw bɛ teliya dɔnniya sɔrɔ min bɛ se ka faamuya. N’a sɔrɔ u tɛna a fɔ ko "the random I/O latency on the invoice aggregation query is too high," nka u bɛna a fɔ ko "nin porogaramu in bɛ a yɛrɛ jate dɔɔnin dɔɔnin" ani ka daminɛ ka fɛɛrɛ wɛrɛw jateminɛ.
A faralen ɲɔgɔn kan nɔ bɛ se ka suman . Plateforme min bɛ dashboardw doni 800ms kɔnɔ sanni ka kɛ segin 2,4 kɔnɔ, o tɛ teliya 3x dɔrɔn ye — a bɛ baarakɛcogo caman Changer. Baarakɛlaw bɛ kunnafoniw lajɛ ka caya, ka modulu caman sɛgɛsɛgɛ, ka baarakɛminɛn in don u ka baarakɛcogo la kosɛbɛ. Baarakɛɲɔgɔnya min ka bon, o bɛ kɛ sababu ye ka mɔgɔw mara ka caya, o min bɛ kɛ sababu ye ka ɲɛnamaya nafa bonya. Slack tɔgɔ bɔra kosɛbɛ k’a ka bonya fɔlɔ yɔrɔba dɔ sababu bɔra baarakɛcogo ɲuman na min bɛ kɛ ni kɔnɔnafili ye, k’a dɔn ko teliya yɛrɛ ye ɲɔgɔndanba ye.
Jagokɛyɔrɔw bɛɛ lajɛlen na, o nɔ in bɛ caya modulu kelen-kelen bɛɛ kɔnɔ. Ni CRM bɛ teliya nka fatura bɛ kɛ dɔɔnin dɔɔnin, plateforme bɛɛ ka faamuyali bɛ tɔɔrɔ. Baara kɛcogo kelen-kelen bɛɛ kɔnɔ — k’a ta jatebɔ ɲɛnabɔli la ka se kurunw nɔfɛta ma ka se jateminɛw ma — o bɛ I/O cogoyaw ɲɛnabɔ cogo basigilen na yɔrɔ bɛɛ, a tɛ kɛ modulu minnu bɛ ye kosɛbɛ dɔrɔn.
Min nafa ka bon, o sumani : Ka I/O gansan kɛ yelen ye
I tɛ se ka min ye, i tɛ se k' o labɛn . Fɛn fɔlɔ min bɛ kɛ walasa ka I/O musakaw ɲɛnabɔ k’a sɔrɔ u ma kɛ cogo si la, o ye k’u kɛ i ka ɛntɛrinɛti ni baarakɛjɛkuluw ɲɛ na. Bi kɔlɔsili baarakɛminɛnw i n’a fɔ Datadog, New Relic, walima hali da wulilenw ɲɛnabɔcogo i n’a fɔ Prometheus ni Grafana bɛ se ka IOPS misaliw lajɛ, ka ɲininkali latɛmɛni tilatilali, ani cache hit rates waati yɛrɛ la. Metiri minnu nafa ka bon kosɛbɛ olu ye :
- p95 ni p99 ɲininkali latɛmɛni : latɛmɛni cɛmancɛ bɛ dimi dogo . Kɛmɛsarada la 95nan ni 99nan b’a jira i ka baarakɛlaw minnu bɛ baara kɛ dɔɔnin dɔɔnin — ani minnu dusu tiɲɛnen don kosɛbɛ — olu bɛ min sɔrɔ tiɲɛ na
- IOPS tiɲɛni kalanni ni sɛbɛnni fɛ, tugu-tugu-ɲɔgɔn kɔ ni k’a kɛ k’a sɔrɔ a ma kɛ cogo si la : O b’a jira n’i ka baara hakɛ ye I/O ye ani I/O suguya jumɛn bɛ fanga la
- Cache hit ratio : hakɛ min bɛ 95% duguma sistɛmu labɛnni ɲuman kan, o bɛ kunnafonidilanw sɔrɔcogo jira minnu tɛ baara kɛ ka bɔ hakilijagabɔ la
- Ɲininkali jate ɲɛ doni kelen-kelen bɛɛ la : ni baarakɛla kelen ka wale dɔ ye kunnafonidilan ɲininkali 20-30 ni kɔ lawuli , a bɛ se ka fɔ ko ɲɛtaa sira bɛ yen
Ka kɛɲɛ ni nin kunnafonidilan in ye , ekipuw bɛ se ka ɲɛtaa minnu bɛ nɔba bila jɔyɔrɔ fɔlɔ la sanni ka jateminɛ kɛ . Jagokɛyɔrɔ minnu bɛ I/O baarakɛcogo jate i n’a fɔ mɛtɛrɛ fɔlɔ — ka fara baarakɛwaati, fili hakɛ, ani baarakɛlaw wasa kan — olu bɛ fɛn teliyalenw di tuma bɛɛ ni musaka dɔgɔman ye. Sugu min kɔnɔ, baarakɛlaw b’a jira ko jagokɛminɛnw bɛna jaabi di i n’a fɔ kunmabɔnafolo ka porogaramuw, o kololi tɛ u yɛrɛ sago ye. O ye danfara ye plateforme min bɛ sɛgɛsɛgɛli kɛ ni nɛɛma ye ka se baarakɛla 138.000 ma ani min bɛ buckle a yɛrɛ ka complexité jukɔrɔ.
aw ka jago ɲɛnabɔ ni Mewayz ye
Mewayz bɛ na ni jago modulu 207 ye kɛnɛ kelen kan — CRM , fatura, poroze ɲɛnabɔli , ani fɛn wɛrɛw . Aw ka fara baarakɛla 138.000+ kan minnu y’u ka baarakɛcogo nɔgɔya.
A daminɛ hɔrɔnya bi →Ɲininkali minnu bɛ kɛ tuma caman na
I/O gansan ye mun ye tigitigi , wa mun na a bɛ sumaya ten ?
Random I/O bɛ kɛ ni sistɛmu dɔ ye kunnafoni misɛnninw kalan walima k’u sɛbɛn ka bɔ yɔrɔ caman na, yɔrɔ minnu tɛ tugu ɲɔgɔn kɔ, marayɔrɔ dɔ kan. A tɛ i n’a fɔ I/O tugu-tugulen (dosiye kalanni daminɛ na ka se a laban ma), kalan/sɛbɛnni kunkolo ka kan ka to ka pan ka yaala-yaala, ka farikolo-ɲɛnajɛw latɛmɛ kosɛbɛ. O de ye sababu fɔlɔ ye min b’a to kunnafonidilan ɲininkali min bɛ sɛbɛnw jɛnsɛnnenw ta, o ka surun kosɛbɛ ka tɛmɛ wideyow filenba dɔ bɔli kan, hali ni kunnafoni bɛɛ hakɛ ka dɔgɔ.
I/O gansan bɛ nɔ bila n ka jago baarakɛcogo la cogo di ?
A bɛ nɔ bila baarakɛlaw ka dɔnniya ni baarakɛcogo la k'a ɲɛsin u yɛrɛ ma. Aplikasi jaabi minnu bɛ kɛ dɔɔnin dɔɔnin, olu bɛ kiliyanw dusu tiɲɛ, o bɛ na ni wotoro bilali ye ani dɛmɛn tikitiw. Baarakɛlaw fɛ, CRM sɛgɛnbaliw ni kunnafonidiminɛnw bɛ waati nafama tiɲɛ. O waati latɛmɛni bɛ kɛ musaka yetaw ye: feereli bɔnɛnen, baarakɛlaw ka baarakɛcogo dɔgɔyali, ani tiɲɛni min bɛ se ka kɛ i ka fɛn dilannen tɔgɔ la jaabi dicogo la. Latɛmɛni segin kelen-kelen bɛɛ bɛ ni wariko nafa ye.
Yala nin tɛ fɛnɲɛnɛmako gɛlɛya dɔrɔn ye wa ? Yala n tɛ se ka SSD teliyalenw san dɔrɔn wa ?
K’a sɔrɔ SSD teliyalenw bɛ dɛmɛ don , u ye fura ye min musaka ka bon , wa a ka c’a la , a tɛ dafa . A ka c’a la, o sababu ju ye porogaramuw ye minnu tɛ baara kɛ kosɛbɛ, minnu bɛ kunnafonidilanw ɲinini misɛnnin caman kɛ, minnu jɛnsɛnnen don. Aplikasi kode ni database ɲininkaliw ɲɛnabɔli walasa ka I/O random dɔgɔya, o bɛ nɔ bɔ kosɛbɛ. Fɛnɲɛnɛma minnu bɛ i n’a fɔ Mewayz, n’a ka modulu 207 minnu jɔra ka kɔn, olu bɛ daminɛ dɔrɔmɛ 19/kalo la, olu dabɔra walasa ka kunnafonidilanw sɔrɔcogo nɔgɔya ka ɲɛ.
Fɛn fɔlɔ ye mun ye walasa k' a dɔn ni I/O gansan ye ne ka buteli ye ?
A daminɛ ni i ka baarakɛminɛn ka baarakɛcogo kɔlɔsili baarakɛminɛnw ye . Aw ye kunnafonidilanw jateminɛw ɲini minnu bɛ kalan/sɛbɛnni baarakɛcogo caman jira segin kɔnɔ (IOPS) ka fara ɲininkali waatiw kan minnu bɛ kɛ dɔɔnin dɔɔnin. I ka application profile walasa ka ɲininkali fitininw dɔn minnu bɛ kɛ tuma caman na. Ni baarakɛla kelen ka wale dɔ ye kunnafonidilan kelen-kelen weleli tan ni caman lawuli sanni ka kɛ mɔgɔ damadɔw ye minnu bɛ baara kɛ ka ɲɛ, a ka c’a la, i ye I/O ko dɔ sɔrɔ k’a sɔrɔ a ma kɛ cogo si la min ka kan ka ɲɛnabɔ.
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