doc: add PG 10 doc item about VACUUM truncation, 7e26e02ee

Reported-by: Andres Freund

diff --git a/doc/src/sgml/release-10.sgml b/doc/src/sgml/release-10.sgml
index 8736770d57213dd10a43531015abedebe52d84d5..dfe003bddb0e376eaa91bfb1937af7f447de0577 100644 (file)
--- a/doc/src/sgml/release-10.sgml
+++ b/doc/src/sgml/release-10.sgml
@@ -1744,6 +1744,22 @@
       
      
 
+     
+      
+      
+       Improve speed of VACUUM's removal of trailing empty
+       heap pages (Alvaro Herrera)
+      
+
+      
+       This information is also included in 
+       linkend="guc-log-autovacuum-min-duration"> output.
+      
+     
+