imay commented on issue #690:  There should be memory leak in Doris
URL: https://github.com/apache/incubator-doris/issues/690#issuecomment-470020317
 
 
   @kangkaisen 
   Normally Doris is built with tcmalloc, which is part of gperftools. When 
tcmalloc is used, valgrind isn't correct, because tcmalloc will manage memory 
itself.
   
   You can use method as @chaoyli said. When LSAN is enable, if there is memory 
leak, information would be written to be.out.
   
   In addition, if this flag is enable, performance will decrease and virtual 
memory will increase.

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