testConcurrentLoading(CacheBuilder.newBuilder().expireAfterWrite(10, SECONDS));
  }

  /**
   * On a successful concurrent computation, only one thread does the work, but all the threads get
   * the same result.
   */
  private static void testConcurrentLoadingDefault(CacheBuilder<Object, Object> builder)
      throws InterruptedException {

    int count = 10;

my-release -f values.yaml minio/minio ``` ### Persistence This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

my-release -f values.yaml minio/minio ``` ### Persistence This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

my-release -f values.yaml minio/minio ``` ### Persistence This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

<div class="termy">

```console
$ deactivate
```

</div>

これにより、 `python` コマンドを実行しても、そのプロジェクト用（のパッケージがインストールされた）仮想環境から `python` プログラムを呼び出そうとはしなくなります。

## 作業準備完了 { #ready-to-work }

これで、プロジェクトの作業を始める準備が整いました。



/// tip | 豆知識

上記の内容を理解したいですか？

もしそうなら、以下を読み進めてください。👇🤓

///

## なぜ仮想環境？ { #why-virtual-environments }

-f values.yaml minio/minio ``` Persistence ---------- This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

-f values.yaml minio/minio ``` Persistence ---------- This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

-f values.yaml minio/minio ``` Persistence ---------- This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

-f values.yaml minio/minio ``` Persistence ---------- This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...

-f values.yaml minio/minio ``` Persistence ---------- This chart provisions a PersistentVolumeClai and mounts corresponding persistent volume to default location `/export`. You'll need physical storage available in the Kubernetes cluster for this to work. If you'd rather use `emptyDir`, disable PersistentVolumeClai by: ```bash helm install --set persistence.enabled=false minio/minio ``` > *"An emptyDir volume is first created when a Pod is assigned to a Node, and exists as long as that Pod is running...