[GitHub] MarvinLitt commented on a change in pull request #3118: [CARBONDATA-3281] limit the LRU cache size

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MarvinLitt commented on a change in pull request #3118: [CARBONDATA-3281] limit the LRU cache size
URL: https://github.com/apache/carbondata/pull/3118#discussion_r253286538
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/cache/CarbonLRUCache.java
 ##########
 @@ -67,6 +67,13 @@ public CarbonLRUCache(String propertyName, String defaultPropertyName) {
     } catch (NumberFormatException e) {
       lruCacheMemorySize = Integer.parseInt(defaultPropertyName);
     }
+
+    //if lru cache is bigger than jvm max memory then set to default size
+    if (isBeyondMaxMemory()){
+      LOGGER.info("LRU cache " + lruCacheMemorySize + "MB is beyond jvm max size, use default " + defaultPropertyName +" MB");
+      lruCacheMemorySize = Integer.parseInt(defaultPropertyName);
 
 Review comment:
   what we use for default is "-1"

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