public void removeFromCache(String blobKey) {
    if (recentBlobCache == null) {
      return;
    }
    if (isVcr) {
      logger.debug("Removing key {} from cache", blobKey);
      recentBlobCache.remove(blobKey);
    }
  }
Remove a blob state mapping from the recent blob cache.
@param blobKey the blob key to remove.
ambry-cloud/src/main/java/com/github/ambry/cloud/CloudBlobStore.java