LuciferYang commented on code in PR #37610:
URL: https://github.com/apache/spark/pull/37610#discussion_r952955164


##########
docs/spark-standalone.md:
##########
@@ -328,6 +328,17 @@ SPARK_WORKER_OPTS supports the following system properties:
   </td>
   <td>3.0.0</td>
 </tr>
+<tr>
+  <td><code>spark.shuffle.service.db.enabled</code></td>
+  <td>LEVELDB</td>
+  <td>
+    When <code>spark.shuffle.service.db.enabled</code> is true, user can use 
this to specify the kind of disk-based 
+    store used in shuffle state store. This supports `LEVELDB` and `ROCKSDB` 
now and `LEVELDB` as default value. 
+    This only affects standalone mode (yarn always has this behavior enabled). 
+    The original data store in `LevelDB/RocksDB` will not be automatically 
convert to another kind of storage now.
+  </td>
+  <td>3.4.0</td>
+</tr>

Review Comment:
   Yes, you are right, both standalone and yarn are OK and 
`spark.shuffle.service.db.enabled` be used together
   
   
https://github.com/apache/spark/blob/a12d121159d0ab8293f70b819cb489cf6126224d/docs/spark-standalone.md?plain=1#L321-L328



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