steveloughran commented on issue #630: HADOOP-15999 improve test resilience and probes URL: https://github.com/apache/hadoop/pull/630#issuecomment-475038919 Tested: S3 ireland w/ DDB in both parallel and standalone runs, DDB set up for PAYG. ``` -Dparallel-tests -DtestsThreadCount=12 -Ds3guard -Ddynamo ``` I've not seen the problem surface again. Now, it could still be there, but I've gone through the tests line-by-line trying to think where stabilisation problems could surface, and I think it'll be ok. the only variable would be "how to allow for stabilisation?". I've chosen 2000 just for something non-zero-but not to slow down tests. We could up that to, say, 10s. Or actually play games with eventually, repeatedly calling getFileStatus until the modtime actually increased.
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