JDK-8150776 : [TESTBUG] stress/gc/TestStressRSetCoarsening.java takes too long to run
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 9
  • Priority: P3
  • Status: Resolved
  • Resolution: Cannot Reproduce
  • Submitted: 2016-02-27
  • Updated: 2016-08-02
  • Resolved: 2016-08-02
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JDK 9
9Resolved
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Description
It seems this test take too long to run on hosts with large number of cores and memory. In one of my recent RBT runs, on a 2 socket Xeon X5675 @ 3.07GHz (12 HT per socket) with 74 GB RAM, this test took over 3 hours to run. This has a serious impact on nightly test execution.
Comments
The test has been modified several times since the date of the bug submission. I can't reproduce the problem from description. So, I'm closing the issue as will not fix.
02-08-2016

The test is known to be slow. It starts VM several times, each time it limits heap (Xmx500m or Xmx1G), so it's prepared to be executed with large heaps. So, there is nothing wrong with the test itself but we need a mechanism to prevent the situation when a single test slows the entire run.
29-02-2016