helifu has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/12701 )

Change subject: KUDU-2038-p2: support for index metadata management
......................................................................


Patch Set 3:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/12701/3/src/kudu/tablet/tablet_metadata.h
File src/kudu/tablet/tablet_metadata.h:

http://gerrit.cloudera.org:8080/#/c/12701/3/src/kudu/tablet/tablet_metadata.h@147
PS3, Line 147: const TableIndex& table_index() const {
             :     const TableIndex* table_index = reinterpret_cast<const 
TableIndex*>(
             :         base::subtle::Acquire_Load(reinterpret_cast<const 
AtomicWord*>(&table_index_)));
             :     return *table_index;
             :   }
1.the asan tests all passed on gerrit, but in my local debian8 sytem 
tablet_metadata-test and diff_scan-test failed. it seems that the code here 
triggers a memory leak:
=================================================================
==9094==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 1040 byte(s) in 1 object(s) allocated from:
    #0 0x50d745 in calloc 
/mnt/ddb/2/helif/apache/kudu/thirdparty/src/llvm-6.0.0.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:97
    #1 0x7ff2ed563d00  (/lib/x86_64-linux-gnu/libc.so.6+0x37d00)

SUMMARY: AddressSanitizer: 1040 byte(s) leaked in 1 allocation(s).

so i tried to comment the code of this function and returned a global static 
object, both of the failure ones passed.

2.the code here is similar with SetSchema() above, but i am curious why it does 
not complain memory leak?



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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2d08742fa63cd3cba6452e37ec6e880532d3b104
Gerrit-Change-Number: 12701
Gerrit-PatchSet: 3
Gerrit-Owner: helifu <hzhel...@corp.netease.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: helifu <hzhel...@corp.netease.com>
Gerrit-Comment-Date: Tue, 12 Mar 2019 00:43:33 +0000
Gerrit-HasComments: Yes

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