revise future improvement

sezruby · web-flow · commit 5f63d0fc4a62 · 2023-04-13T17:34:51.000-07:00
diff --git a/articles/synapse-analytics/spark/low-shuffle-merge-for-apache-spark.md b/articles/synapse-analytics/spark/low-shuffle-merge-for-apache-spark.md
@@ -87,4 +87,4 @@ SET `spark.microsoft.delta.merge.lowShuffle.enabled` = false
 
 ## Future improvement
 
-With Low Shuffle Merge feature, rewriting unmodified rows still takes a long time and resources. There is ongoing work in OSS Delta Lake for deletion vector. Once it is delivered, we would be able to skip rewriting unmodified rows.
+There is ongoing work in OSS Delta Lake to support deletion vectors. Once it is delivered, rewriting unmodified rows is un-necessary and can be eliminated. This is expected to improve execution time and reduce resource utilization.

Original file line number	Diff line number	Diff line change
@@ -87,4 +87,4 @@ SET `spark.microsoft.delta.merge.lowShuffle.enabled` = false
`87`	`87`
`88`	`88`	`## Future improvement`
`89`	`89`
`90`		`-With Low Shuffle Merge feature, rewriting unmodified rows still takes a long time and resources. There is ongoing work in OSS Delta Lake for deletion vector. Once it is delivered, we would be able to skip rewriting unmodified rows.`
	`90`	`+There is ongoing work in OSS Delta Lake to support deletion vectors. Once it is delivered, rewriting unmodified rows is un-necessary and can be eliminated. This is expected to improve execution time and reduce resource utilization.`