#      Ex. no_upload      -- Disable all uploads, usually for temporary CI issues

# Recommended: use a local+remote cache.
#
#   Bazel will cache your builds in tensorflow/build_output/cache,
#   and will also try using public build cache results to speed up
#   your builds. This usually saves a lot of time, especially when
#   re-running tests. However, note that:
#

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.cache;

import org.apache.maven.api.annotations.Experimental;

/**
 * Factory interface for creating new RequestCache instances.
 * Implementations should handle the creation and configuration of cache instances
 * based on the current Maven session and environment.
 *
 * @since 4.0.0
 * @see RequestCache
 */

            entry.updateState(newState);

            // Flush any cached data if losing write cache
            if (Smb2LeaseState.hasWriteCaching(oldState) && !Smb2LeaseState.hasWriteCaching(newState)) {
                flushCachedWrites(entry.getPath());
            }

            // Invalidate cached data if losing read cache
            if (Smb2LeaseState.hasReadCaching(oldState) && !Smb2LeaseState.hasReadCaching(newState)) {

    /// note

    The `--no-cache-dir` is only related to `pip`, it has nothing to do with Docker or containers.

    ///

    The `--upgrade` option tells `pip` to upgrade the packages if they are already installed.

    Because the previous step copying the file could be detected by the **Docker cache**, this step will also **use the Docker cache** when available.

        }

        return leaseKey;
    }

    /**
     * Get cache entry for a directory
     *
     * @param directoryPath directory path
     * @return cache entry or null
     */
    public DirectoryCacheEntry getCacheEntry(String directoryPath) {
        DirectoryCacheEntry entry = directoryCache.get(directoryPath);

        // Check if cache entry is valid
        if (entry != null && entry.needsRefresh()) {

set -exo pipefail
cd "$(dirname "$0")/../../"  # tensorflow/
# Any request that includes "nightly_upload" should just use the
# local multi-cache (public read-only cache + disk cache) instead.
export TFCI="$(echo $TFCI | sed 's/,nightly_upload/,public_cache,disk_cache/')"
if [[ -n "${TF_ANY_EXTRA_ENV:-}" ]]; then
  export TFCI="$TFCI,$TF_ANY_EXTRA_ENV"
fi
if [[ -n "${TF_ANY_SCRIPT:-}" ]]; then
  "$TF_ANY_SCRIPT"

		logger.Info("STS policy mappings load took %.2fs (for %d items)", took.Seconds(), stsPolicyMappingsCount)
	}

	// Copy svcUsersMap to cache.iamUsersMap
	maps.Copy(cache.iamUsersMap, svcUsersMap)

	cache.buildUserGroupMemberships()

	purgeStart := time.Now()

	// Purge expired STS credentials.

	// Scan STS users on disk and purge expired ones.

```Dockerfile
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
```

O arquivo com os requisitos de pacote **não muda com frequência**. Então, ao copiar apenas esse arquivo, o Docker será capaz de **usar o cache** para esse passo.

	if err != nil {
		return err
	}
	cache := *c

	if cache.status == scanStateNone || cache.fileNotFound {
		return errFileNotFound
	}
	if cache.status == scanStateSuccess || cache.status == scanStateStarted {
		if time.Since(cache.lastUpdate) > metacacheMaxRunningAge {
			// We got a stale entry, mark error on handling server.
			err := fmt.Errorf("timeout: list %s not updated", cache.id)
			cache.error = err.Error()

}

// worthKeeping indicates if the cache by itself is worth keeping.
func (m *metacache) worthKeeping() bool {
	if m == nil {
		return false
	}
	cache := m
	switch {
	case !cache.finished() && time.Since(cache.lastUpdate) > metacacheMaxRunningAge:
		// Not finished and update for metacacheMaxRunningAge, discard it.
		return false
	case cache.finished() && time.Since(cache.lastHandout) > 5*metacacheMaxClientWait: