Alex Behm has posted comments on this change.

Change subject: IMPALA-3764: fuzz test HDFS scanners
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Patch Set 5:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/3448/5/tests/query_test/test_scanners.py
File tests/query_test/test_scanners.py:

Line 649:     random_seed = os.environ.get("SCANNER_FUZZ_SEED") or time.time()
> We can discuss this a bit in person but my feeling is that it's better to u
Agree better to discuss f2f. There's a tradeoff between coverage and build 
stability. It is my impression that we fundamentally cannot handle certain 
types of file corruption, so I'm reluctant to add random failures in our 
regular build+test runs. I'm happy to discuss and be convinced otherwise.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I50cf43195a7c582caa02c85ae400ea2256fa3a3b
Gerrit-PatchSet: 5
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: David Knupp <[email protected]>
Gerrit-Reviewer: Taras Bobrovytsky <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-HasComments: Yes

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