From 2cf098e6e2f28453f4c656fa081d7d6eed179d63 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Sat, 26 Dec 2015 11:50:18 +0100
Subject: Print free page info in benchmark.

LMDB seems to amass quite some free pages that are not reused,
resulting in a rather poor usage of the space available.
I haven't figured out why that is so far (it doesn't seem
to be due to open transactions).
---
 tests/dummyresourcewritebenchmark.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/dummyresourcewritebenchmark.cpp b/tests/dummyresourcewritebenchmark.cpp
index 3e8f4c5..1e7f1ef 100644
--- a/tests/dummyresourcewritebenchmark.cpp
+++ b/tests/dummyresourcewritebenchmark.cpp
@@ -213,6 +213,11 @@ private Q_SLOTS:
         QVERIFY(timeStandardDeviation < 1);
     }
 
+    void getFreePages()
+    {
+        std::system(QString("mdb_stat %1/%2 -ff").arg(Akonadi2::storageLocation()).arg("org.kde.dummy.instance1").toLatin1().constData());
+    }
+
     //This allows to run individual parts without doing a cleanup, but still cleaning up normally
     void testCleanupForCompleteTest()
     {
-- 
cgit v1.2.3