Pour expliquer la différence, voici une histoire de burgers :

#### Burgers concurrents

Vous amenez votre crush 😍 dans votre fast food 🍔 favori, et faites la queue pendant que le serveur 💁 prend les commandes des personnes devant vous.

<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">

or household purposes, or (2) anything designed or sold for incorporation
into a dwelling.  In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage.  For a particular
product received by a particular user, "normally used" refers to a
typical or common use of that class of product, regardless of the status

    * Bump metadata agent version to 0.2-0.0.21-1.
    * Expand the metadata agent's access to all API groups.
    * Remove metadata agent config maps in favor of command line flags.
    * Update the metadata agent's liveness probe to a new /healthz handler.
    * Logging Agent Improvements
    * Bump logging agent version to 0.2-1.5.33-1-k8s-1.

- All resources within the `rbac.authorization.k8s.io/v1alpha1` and `rbac.authorization.k8s.io/v1beta1` API groups are deprecated in favor of `rbac.authorization.k8s.io/v1`, and will no longer be served in v1.20. ([#84758](https://github.com/kubernetes/kubernetes/pull/84758), [@liggitt](https://github.com/liggitt))

    error_msg: (String) String with one and only one '%s'. Formatted with each
      invalid response upon check_success(input) failure.
    suppress_default_error: (Bool) Suppress the above error message in favor of
      one from the check_success function.
    resolve_symlinks: (Bool) Translate symbolic links into the real filepath.
    n_ask_attempts: (Integer) Number of times to query for valid input before

- Apiextensions.k8s.io/v1beta1 is deprecated in favor of apiextensions.k8s.io/v1 ([#90673](https://github.com/kubernetes/kubernetes/pull/90673), [@deads2k](https://github.com/deads2k)) [SIG API Machinery]

- kube-apiserver
  - The `--service-account-api-audiences` flag is deprecated in favor of `--api-audiences`. The old flag is accepted with a warning but will be removed in a future release. ([#70105](https://github.com/kubernetes/kubernetes/pull/70105), [@mikedanese](https://github.com/mikedanese))

  - The `/swaggerapi/*` schema docs, deprecated since 1.7, have been removed in favor of the /openapi/v2 schema docs. ([#72924](https://github.com/kubernetes/kubernetes/pull/72924), [@liggitt](https://github.com/liggitt))

"éreu", "es", "és", "esta", "està", "estàvem", "estaven", "estàveu", "esteu", "et", "etc", "ets", "fins", "fora", "gairebé", "ha", "han", "has", "havia", "he", "hem", "heu", "hi ", "ho", "i", "igual", "iguals", "ja", "l'hi", "la", "les", "li", "li'n", "llavors", "m'he", "ma", "mal", "malgrat", "mateix", "mateixa", "mateixes", "mateixos", "me", "mentre", "més", "meu", "meus", "meva", "meves", "molt", "molta", "moltes", "molts", "mon", "mons", "n'he", "n'hi", "ne", "ni", "no", "nogensmenys", "només", "nosaltres",...

"éreu", "es", "és", "esta", "està", "estàvem", "estaven", "estàveu", "esteu", "et", "etc", "ets", "fins", "fora", "gairebé", "ha", "han", "has", "havia", "he", "hem", "heu", "hi ", "ho", "i", "igual", "iguals", "ja", "l'hi", "la", "les", "li", "li'n", "llavors", "m'he", "ma", "mal", "malgrat", "mateix", "mateixa", "mateixes", "mateixos", "me", "mentre", "més", "meu", "meus", "meva", "meves", "molt", "molta", "moltes", "molts", "mon", "mons", "n'he", "n'hi", "ne", "ni", "no", "nogensmenys", "només", "nosaltres",...