private String getAzureBlobName(CloudBlobMetadata blobMetadata) {
    // snalli@: I have discussed thoroughly with MSFT that prefixing 4 random char does not help at all!
    return blobMetadata.getId();
  }
@return the blob name to use in Azure storage.
@param blobMetadata the {@link CloudBlobMetadata} to store.
ambry-cloud/src/main/java/com/github/ambry/cloud/azure/AzureBlobLayoutStrategy.java