From 9d47e55535d56fb2219e5900ab48bc2540693d21 Mon Sep 17 00:00:00 2001
From: Jan Vales <jan@jvales.net>
Date: Mon, 8 Apr 2019 11:50:31 +0200
Subject: [PATCH] added discussion.

---
 ex1/main_4.tex | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ex1/main_4.tex b/ex1/main_4.tex
index 15916df..c8ca370 100644
--- a/ex1/main_4.tex
+++ b/ex1/main_4.tex
@@ -101,6 +101,9 @@ Execution time: query-timeout
 \end{verbatim}
 
 
+Changing the create numbers definitely impacts performance. The question is what is part of the assignment and what not.
+
+
 
 \item create indices.
 \begin{verbatim}
@@ -345,4 +348,6 @@ Planning time: 0.978 ms
 Execution time: 2040.407 ms
 \end{verbatim}
 
+We suspect that performance varies likely because the dataset is not a balanced triangle and in some cases results can be discarded earlier. Also resultset deduplication may play a role.
+
 \end{enumerate}
-- 
2.43.0