[GitHub] carbondata pull request #2313: [CARBONDATA-2489] Coverity scan fixes

[gvramana]

Github user gvramana commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2313#discussion_r188960024
  
    --- Diff: 
core/src/main/java/org/apache/carbondata/core/memory/UnsafeMemoryManager.java 
---
    @@ -152,14 +152,15 @@ public synchronized boolean isMemoryAvailable() {
         return memoryUsed > totalMemory;
       }
     
    -  public long getUsableMemory() {
    +  public synchronized long getUsableMemory() {
    --- End diff --
    
    Not required Lock


---