Adar Dembo created KUDU-1590:
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Summary: cache-test failing on my laptop
Key: KUDU-1590
URL: https://issues.apache.org/jira/browse/KUDU-1590
Project: Kudu
Issue Type: Bug
Components: test
Affects Versions: 1.0.0
Reporter: Adar Dembo
Assignee: Todd Lipcon
Priority: Blocker
Here's the failure:
{noformat}
[ RUN ] CacheTypes/CacheTest.EvictionPolicy/0
/home/adar/Source/kudu/src/kudu/util/cache-test.cc:198: Failure
Value of: Lookup(200)
Actual: 201
Expected: -1
I0902 19:07:59.004560 25663 test_util.cc:78]
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I0902 19:07:59.004580 25663 test_util.cc:79] Had fatal failures, leaving test
files at
/tmp/kudutest-1000/cache-test.CacheTypes_CacheTest.EvictionPolicy_0.1472868478986786-25663
[ FAILED ] CacheTypes/CacheTest.EvictionPolicy/0, where GetParam() = 0 (6 ms)
{noformat}
I suspect this is due to commit bfb6f23, but I don't know how. Amusingly,
CacheTest.EvictionPolicy/1 (for NVM_CACHE) is passing.
Here's what I know:
* I was working on upgrading to LLVM 3.9 when I noticed this. I rolled back to
LLVM 3.8 and the problem persisted, so I suspect it has nothing to do with the
LLVM upgrade.
* I can't repro it on ve0518 normally.
* But if I replace the call to base::NumCPUs() in cache.cc with 8 (the number
of cores on my laptop), it reproduces in the exact same way on ve0518.
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