From 3a233a0fe1b66ce5a45cf3919748b9ceb95eb2e1 Mon Sep 17 00:00:00 2001
From: Johannes Wienke <jwienke@itemis.com>
Date: Tue, 30 Jan 2024 11:13:21 +0100
Subject: [PATCH] feat(model-server): make the Ignite cache size configurable

Adds the database JVM property ignite.cache.size, which can be used to
control the off heap Ignite cache size when using Postgres as a backend.
The property defaults to the previous 100 Mb size.
---
 .../org/modelix/model/server/store/database.properties          | 2 ++
 .../main/resources/org/modelix/model/server/store/ignite.xml    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/model-server/src/main/resources/org/modelix/model/server/store/database.properties b/model-server/src/main/resources/org/modelix/model/server/store/database.properties
index 60ab6d4d1c..ad79d11d92 100644
--- a/model-server/src/main/resources/org/modelix/model/server/store/database.properties
+++ b/model-server/src/main/resources/org/modelix/model/server/store/database.properties
@@ -3,3 +3,5 @@ jdbc.url=jdbc:postgresql://localhost:54333/
 jdbc.schema=modelix
 jdbc.user=modelix
 jdbc.pw=modelix
+# Size of the ignite cache in bytes. Defaults to 100 Mb.
+ignite.cache.size=104857600
diff --git a/model-server/src/main/resources/org/modelix/model/server/store/ignite.xml b/model-server/src/main/resources/org/modelix/model/server/store/ignite.xml
index 1b465d8198..175cee47cf 100644
--- a/model-server/src/main/resources/org/modelix/model/server/store/ignite.xml
+++ b/model-server/src/main/resources/org/modelix/model/server/store/ignite.xml
@@ -66,7 +66,7 @@
                 <!-- Redefining the default region's settings -->
                 <property name="defaultDataRegionConfiguration">
                     <bean class="org.apache.ignite.configuration.DataRegionConfiguration">
-                        <property name="maxSize" value="#{100L * 1024 * 1024}"/>
+                        <property name="maxSize" value="${ignite.cache.size}"/>
                         <!--<property name="evictionThreshold" value="0.5"/>-->
                         <property name="pageEvictionMode" value="RANDOM_LRU" />
                         <property name="emptyPagesPoolSize" value="2000" />