Yadda kuke sarrafa bayanai lokacin da kowane sabis ya nai tankalinsa kaɗai?

Question

Accepted Answer

Tare da **babu takalmiɗan bayanai** , ba za ku iya amfani da JOINe-gida ko alamomi ACID gida. Kina sarrafa bayanai kuma kina kiɗa su ta amfani da **juyar API**, **rirewa/karɓan rubutu CQRS** kuma **abubuwa**.

## Karantawa data jiya sabis

**Juyar API** — jami'a mai gudanarwa kira kwallon sabis kuma yana dama da sakamakon:

```js
// build an order view from three services
const order    = await ordersApi.get(orderId);
const customer = await usersApi.get(order.customerId);   // separate service
const shipment = await shippingApi.get(orderId);
return { ...order, customer, shipment }; // composed in memory
```

Gida galau bugujoyi, ƙiyaye **karɓan rubutu** (CQRS): sabis yana yanki abubuwa kuma yana gina gidajen karɓa game da karɓa wanda zai iya buguji kai tsaye.

```text
Orders ─event→ ┐
Users  ─event→ ├─▶ [ Order-View service builds its own queryable table ]
Shipping ─event→ ┘
```

## Rubut jiya sabis

Yi amfani da **Saga** yanki — jerin alamomi gida tare da abubuwa mai diɗewa — a maimakon jiya raba.

## Samarewa

| Hanya | Siffici | Wahala |
|---|---|---|
| Juyar API | Kuwa sabu kullum | Jiya, fan-out, raɗadi |
| Karɓan karɓa da sake yin | Yada karantawa | A ƙarshe daidai |
| Saga | Babu 2PC | Cakulta, buƙa diɗewa |

## Rarraunin gida

Kada "tayyarwaki" tebur don sauƙi join — yana sake haɗa sabis. Karɓi ƙarshen jiya inda kasuwa ta yarda.

## Mec me ja yamun

Sarrafa bayani shine inda microservices suka zama gaske mahimmanci, saboda kayan aiki masu sauƙi (joins, alamomi) sun tashi ta niyya.

Ganewa juyar, karɓan rubutu, da sagas shine abin da ke bai kudin ku kiyaye sabis mai zaman kansa ba tare da asusanta tsattsatsatsa ba.

Hanya	Siffici	Wahala
Juyar API	Kuwa sabu kullum	Jiya, fan-out, raɗadi
Karɓan karɓa da sake yin	Yada karantawa	A ƙarshe daidai
Saga	Babu 2PC	Cakulta, buƙa diɗewa