Merge pull request #16482 from kevinvngo/patch-44

PRMerger19 · web-flow · commit 1584ca3e698c · 2020-08-05T21:53:59.000-07:00
Documentation : Fix concurrency related ambiguity in max number of fi…
diff --git a/docs/t-sql/statements/create-external-table-transact-sql.md b/docs/t-sql/statements/create-external-table-transact-sql.md
@@ -923,7 +923,7 @@ Constructs and operations not supported:
 
 Query limitations:
 
-PolyBase can consume a maximum of 33k files per folder when running 32 concurrent PolyBase queries. This maximum number includes both files and subfolders in each HDFS folder. If the degree of concurrency is less than 32, a user can run PolyBase queries against folders in HDFS that contain more than 33k files. We recommend that you keep external file paths short and use no more than 30k files per HDFS folder. When too many files are referenced, a Java Virtual Machine (JVM) out-of-memory exception might occur.
+It is recommended to not exceed no more than 30k files per folder. When too many files are referenced, a Java Virtual Machine (JVM) out-of-memory exception might occur or performance may degrade.
 
 Table width limitations:
 
