blackfox1983 commented on a change in pull request #3994:
URL: https://github.com/apache/incubator-doris/pull/3994#discussion_r448279546



##########
File path: be/src/common/config.h
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@@ -536,6 +536,15 @@ namespace config {
     // Whether to continue to start be when load tablet from header failed.
     CONF_Bool(ignore_load_tablet_failure, "false");
 
+    // Set max cache's size of query results, the unit is M byte
+    CONF_Int32(cache_max_size, "256"); 
+
+    //Cache memory is pruened when reach cache_max_size + cache_elasticity_size

Review comment:
       cache memory will be shrinked?
   i do not understand what does this mean....




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