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From "Wenwu Peng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-10705) Fix namenode-rpc-unit warning reported by memory leak check tool(valgrind)
Date Mon, 16 Jun 2014 07:37:02 GMT
Wenwu Peng created HADOOP-10705:
-----------------------------------

             Summary: Fix namenode-rpc-unit  warning reported by memory leak check tool(valgrind)
                 Key: HADOOP-10705
                 URL: https://issues.apache.org/jira/browse/HADOOP-10705
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: HADOOP-10388
            Reporter: Wenwu Peng


Rum valgrind to check memory leak for namenode-rpc.unit.
There are many warning, need to fix it.

valgrind --tool=memcheck --leak-check=full --show-reachable=yes ./namenode-rpc-unit 
==10462== Memcheck, a memory error detector
==10462== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==10462== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==10462== Command: ./namenode-rpc-unit
==10462== 
==10462== HEAP SUMMARY:
==10462==     in use at exit: 428 bytes in 12 blocks
==10462==   total heap usage: 91 allocs, 79 frees, 16,056 bytes allocated
==10462== 
==10462== 16 bytes in 1 blocks are indirectly lost in loss record 1 of 12
==10462==    at 0x4C2B6CD: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==10462==    by 0x557EB99: __nss_lookup_function (nsswitch.c:456)
==10462==    by 0x604863E: ???
==10462==    by 0x553744C: getpwuid_r@@GLIBC_2.2.5 (getXXbyYY_r.c:256)
==10462==    by 0x42681E: geteuid_string (user.c:67)
==10462==    by 0x425ABD: main (namenode-rpc-unit.c:71)



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