[improve] [broker] disable balancing based on DirectMemory. (#21168)

apache · Sep 14, 2023 · b10eed6 · b10eed6
1 parent 1ac19fc
commit b10eed6
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/conf/broker.conf b/conf/broker.conf
@@ -1372,7 +1372,9 @@ loadBalancerCPUResourceWeight=1.0
 
 # The direct memory usage weight when calculating new resource usage.
 # It only takes effect in the ThresholdShedder strategy.
-loadBalancerDirectMemoryResourceWeight=1.0
+# Direct memory usage cannot accurately reflect the machine's load,
+# and it is not recommended to use it to score the machine's load.
+loadBalancerDirectMemoryResourceWeight=0
 
 # Bundle unload minimum throughput threshold (MB), avoiding bundle unload frequently.
 # It only takes effect in the ThresholdShedder strategy.

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/ServiceConfiguration.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/broker/ServiceConfiguration.java
@@ -2419,9 +2419,10 @@ The delayed message index time step(in seconds) in per bucket snapshot segment,
     @FieldContext(
             dynamic = true,
             category = CATEGORY_LOAD_BALANCER,
-            doc = "Direct Memory Resource Usage Weight"
+            doc = "Direct Memory Resource Usage Weight. Direct memory usage cannot accurately reflect the "
+                    + "machine's load, and it is not recommended to use it to score the machine's load."
     )
-    private double loadBalancerDirectMemoryResourceWeight = 1.0;
+    private double loadBalancerDirectMemoryResourceWeight = 0;
 
     @FieldContext(
             dynamic = true,