[GitHub] [incubator-doris] wuyunfeng commented on a change in pull request #4005: LRU cache for sql/partition cache #2581

[GitBox <gi...@apache.org>]

wuyunfeng commented on a change in pull request #4005:
URL: https://github.com/apache/incubator-doris/pull/4005#discussion_r475302348



##########
File path: be/src/common/config.h
##########
@@ -570,6 +570,16 @@ namespace config {
 
     // Soft memory limit as a fraction of hard memory limit.
     CONF_Double(soft_mem_limit_frac, "0.9");
+    
+    // Set max cache's size of query results, the unit is M byte
+    CONF_Int32(query_cache_max_size_mb, "256"); 
+
+    // Cache memory is pruned when reach query_cache_max_size_mb + query_cache_elasticity_size_mb
+    CONF_Int32(query_cache_elasticity_size_mb, "128");

Review comment:
       what `elasticity` means?




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