[HADOOP-10705] Fix namenode-rpc-unit warning reported by memory leak check tool(valgrind)

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: HADOOP-10388
• Target Version/s: HADOOP-10388
• Assignee: Wenwu Peng
• Reporter: Wenwu Peng
• Created: 16/Jun/14 07:36
• Updated: 20/Jun/14 07:04
• Resolved: 20/Jun/14 07:04

Description

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
==24085==
==24085== HEAP SUMMARY:
==24085== in use at exit: 1,216 bytes in 20 blocks
==24085== total heap usage: 89 allocs, 69 frees, 12,222 bytes allocated
==24085==
==24085== 128 bytes in 1 blocks are definitely lost in loss record 18 of 20
==24085== at 0x4A069EE: malloc (vg_replace_malloc.c:270)
==24085== by 0x4A06B62: realloc (vg_replace_malloc.c:662)
==24085== by 0x4C2BD6A: uv__io_start (core.c:679)
==24085== by 0x4C31868: uv_signal_init (signal.c:225)
==24085== by 0x4C3000E: uv__loop_init (loop.c:136)
==24085== by 0x4275EF: hrpc_reactor_create (reactor.c:183)
==24085== by 0x426829: hrpc_messenger_create (messenger.c:83)
==24085== by 0x42590F: main (namenode-rpc-unit.c:115)
==24085==
==24085== LEAK SUMMARY:
==24085== definitely lost: 128 bytes in 1 blocks
==24085== indirectly lost: 0 bytes in 0 blocks
==24085== possibly lost: 0 bytes in 0 blocks
==24085== still reachable: 1,088 bytes in 19 blocks
==24085== suppressed: 0 bytes in 0 blocks
==24085== Reachable blocks (those to which a pointer was found) are not shown.
==24085== To see them, rerun with: --leak-check=full --show-reachable=yes
==24085==
==24085== For counts of detected and suppressed errors, rerun with: -v
==24085== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 6 from 6)

Issue Links

• duplicates: HADOOP-10667 implement TCP connection reuse for native client