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https://issues.apache.org/jira/browse/MAHOUT-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13882214#comment-13882214
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Suneel Marthi edited comment on MAHOUT-1390 at 1/26/14 7:53 AM:
----------------------------------------------------------------
We don't need timeout on testSvdHangs() as all tests that extend MahoutTestCase
have a default timeout of 20000 in light of the fix for Mahout-1345.
Seeing the below error from carrot RandomizedTesting:-
{Code}
Tests run: 10, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.105 sec <<<
FAILURE! - in org.apache.mahout.math.TestSingularValueDecomposition
testSvdHang(org.apache.mahout.math.TestSingularValueDecomposition) Time
elapsed: 1.114 sec <<< ERROR!
java.lang.Exception: Test timeout exceeded (>= 1000 msec).
at
__randomizedtesting.SeedInfo.seed([64835AB2DEEF68AB:63E9A21C9788E3EF]:0)
{Code}
Removing the timeout for this test to fix the above issue (and also unused
imports that need to be cleaned up).
was (Author: smarthi):
We don't need timeout on testSvdHangs() as all tests that extend MahoutTestCase
have a default timeout of 20000 in light of the fix for Mahout-1345.
Removing the timeout for this test (and unused imports that need to be cleaned
up).
> SVD hangs for certain inputs
> ----------------------------
>
> Key: MAHOUT-1390
> URL: https://issues.apache.org/jira/browse/MAHOUT-1390
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Affects Versions: 0.8
> Reporter: Ted Dunning
> Priority: Critical
> Fix For: 0.9
>
> Attachments: MAHOUT-1390.patch
>
>
> For certain inputs, the SingularValueDecomposition implementation that we
> have doesn't detect that it has effectively converged and runs into an
> infinite loop.
> Luckily, there is a fix that has been added to the Jama implementation that
> our SVD is ultimately based on and that fix works for our problem.
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