public static com.google.cloud.vertexai.api.PersistentDiskSpec parseFrom(
      java.io.InputStream input) throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
  }
<pre>
Size in GB of the disk (default is 100GB).
</pre>

<code>int64 disk_size_gb = 2;</code>

@return The diskSizeGb.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java