Me yake faruwa da buƙatu masu aiki lokacin reload na Nginx?

Question

IT Interview Practice · Accepted Answer

Graceful reload yana bari sabbin workers su yi amfani da sabuwar configuration yayin da tsofaffi suke gama aikin yanzu. Manufarsa ita ce amfani da canje-canje ba tare da katse buƙatu masu aiki kwatsam ba.

## Bi saukar da fayil da yake gudana

Ka ɗauka ana saukar da fayil lokacin reload. Sabbin workers suna fara karɓar sabbin haɗe-haɗe. Tsohon worker zai iya ci gaba da saukar da fayil ɗin har ya gama, sannan ya fita idan sauran aikinsa ya ƙare.

Ga shigarwa ta yau da kullum, tantance kuma yi reload da:

```sh
nginx -t && nginx -s reload
```

Umarnin farko yana duba configuration; na biyu yana neman reload ne kawai idan binciken ya yi nasara. Yi amfani da hanyar configuration da izinin da suka dace da shigarwarka. Idan amfani da sabuwar configuration ya gaza, master yana ci gaba da amfani da tsohuwar.

## Dogayen haɗe-haɗe suna sauya abin da ake musanyawa

WebSocket zai iya riƙe tsohon worker a raye na dogon lokaci. `worker_shutdown_timeout` zai iya iyakance jiran rufewa, amma za a iya rufe haɗe-haɗe idan an kai iyakar. Zaɓi iyakar bisa ko clients za su iya sake haɗuwa ko ci gaba da aiki lafiya.

Gwada reload yayin saukar da fayil da session na WebSocket. Duba tsawon rayuwar workers, kurakurai da farfaɗowar client. Nasarar syntax check kaɗai ba ta tabbatar da cewa sabuwar routing ta backend tana aiki ba.

[Takardun hukuma](https://nginx.org/en/docs/control.html).

Bi saukar da fayil da yake gudana

Dogayen haɗe-haɗe suna sauya abin da ake musanyawa

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