Hi, I applied for a JIRA account on 27-07-2026, with my email " [email protected]" and Jose Luis Lopez as name.
El lun, 3 ago 2026 a las 6:07, Xiaoqiao He (<[email protected]>) escribió: > Thanks Jose Luis López for your insight here, would you > mind to apply for a JIRA account then file a new JIRA to follow > this issue? Please tell me your account name when you submit > application, and I would like to approve it on time. > > Best Regards, > - He Xiaoqiao > > On Fri, Jul 31, 2026 at 3:36 PM Jose Luis López López < > [email protected]> > wrote: > > > While analyzing HDFS-17951, I found that many tests leak mini-cluster > > instances (MiniDFSCluster, MiniQJMHACluster, MiniJournalCluster, > > MiniRouterDFSCluster, MiniYARNCluster, MiniMRYarnCluster and variants). > > > > A static scan of the test sources — vetted by hand to remove false > > positives such as clusters owned by harnesses or torn down through > wrapper > > objects — found 86 cases in ~60 files, in three categories: > > A) 27 tests create a local cluster and never shut it down on any path. > > > > B) 38 tests shut the cluster down only on the happy path (no finally / > > try-with-resources), so the cluster leaks exactly when the test fails. > > > > C) 21 classes hold a cluster in a field with no teardown in the class > > or its superclasses. > > > > Impact: leaks stay within the class, but a leaked cluster keeps CI > > resources under the remaining tests, and one failure can cascade into > bogus > > failures of later tests in the class.There is no impact on production, > only > > improvement for CI testing. > > > > Please open a JIRA for this, and I will be happy to contribute. > > > > Regards, > > Jose Luis López > > >
