From 1a7bf075190793bc195d453aa6fdd345cad7fcff Mon Sep 17 00:00:00 2001
From: Le-Zheng <30695225+Le-Zheng@users.noreply.github.com>
Date: Fri, 2 Jul 2021 16:23:52 +0800
Subject: [PATCH] move dlframe SharedParamsApater to AZ and roll back to
 OptimizerV1 (#3137)

---
 Engine.scala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Engine.scala b/Engine.scala
index ff03e2b3678..2b063160010 100644
--- a/Engine.scala
+++ b/Engine.scala
@@ -225,10 +225,10 @@ object Engine {
 
   /**
    * Notice: Please use property bigdl.optimizerVersion to set optimizerVersion.
-   * Default version is OptimizerV2
+   * Default version is OptimizerV1
    */
   private var optimizerVersion: OptimizerVersion = {
-    System.getProperty("bigdl.optimizerVersion", "optimizerv2").toLowerCase(Locale.ROOT) match {
+    System.getProperty("bigdl.optimizerVersion", "optimizerv1").toLowerCase(Locale.ROOT) match {
       case "optimizerv1" => OptimizerV1
       case "optimizerv2" => OptimizerV2
       case optimizerVersion => throw new IllegalArgumentException(s"Unknown type $optimizerVersion")