Merge pull request #27162 from vespa-engine/bratseth/memory-overhead

Model memory overhead

1 files changed, 4 insertions, 4 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/search/NodeResourcesTuning.java b/config-model/src/main/java/com/yahoo/vespa/model/search/NodeResourcesTuning.java
index 981f6aa0d29..b444de5fb14 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/search/NodeResourcesTuning.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/search/NodeResourcesTuning.java
@@ -27,9 +27,9 @@ public class NodeResourcesTuning implements ProtonConfig.Producer {
     private final int threadsPerSearch;
     private final double fractionOfMemoryReserved;
 
-    // "Reserve" 0.5GB of memory for other processes running on the content node (config-proxy, metrics-proxy).
-    // And 0.2GB for distributor and proton basics.
-    public static final double reservedMemoryGb = 0.7;
+    // Memory for other processes running on the node (config-proxy, metrics-proxy).
+    // Keep in sync with node-repository/ClusterModel
+    public static final double nodeMemoryOverheadGb = 0.7;
 
     public NodeResourcesTuning(NodeResources resources,
                                int threadsPerSearch,
@@ -129,7 +129,7 @@ public class NodeResourcesTuning implements ProtonConfig.Producer {
 
     /** Returns the memory we can expect will be available for the content node processes */
     private double usableMemoryGb() {
-        double usableMemoryGb = resources.memoryGb() - reservedMemoryGb;
+        double usableMemoryGb = resources.memoryGb() - nodeMemoryOverheadGb;
         return usableMemoryGb * (1 - fractionOfMemoryReserved);
     }