Quanlong Huang has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/12495 )

Change subject: IMPALA-8204: checkout to the right commit of Impala-lzo in 
buildall.sh
......................................................................


Patch Set 2:

I still think we should write down the depended Impala-lzo version somewhere. 
Once I want to build an older version of Impala, I don't need to guess which 
Impala-lzo commit should I check out to.

There's a benifit to do the checkout in buildall.sh. In the future when I want 
to build an older version (but >2.13, >3.2), I just need to checkout to the 
right tag in Impala and then run buildall.sh. It'll bootstrap dependencies 
including the Impala-lzo to the corresponding versions.

If you're developing Impala-lzo, you can first commit it locally, and then 
change the depended commit id in impala-config-branch.sh. I think this is the 
same with other dependencies. For example, if we want to bump the version of 
ORC lib, we need to upgrade it in native-toolchain project and then change the 
corresponding version in impala-config.sh.


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Gerrit-Project: Impala-ASF
Gerrit-Branch: 2.x
Gerrit-MessageType: comment
Gerrit-Change-Id: I5e4b53d695de04d31d39b6909572907944713ba4
Gerrit-Change-Number: 12495
Gerrit-PatchSet: 2
Gerrit-Owner: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Philip Zeyliger <phi...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Comment-Date: Sat, 16 Feb 2019 00:21:07 +0000
Gerrit-HasComments: No

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