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  1. JDK
  2. JDK-8316142

Enable parallelism in vmTestbase/nsk/monitoring/stress/lowmem tests

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        Similar to JDK-8315437, current vmTestbase/nsk/monitoring/stress/lowmem tests contains 36 tests, each running exclusively. This drags the tier4 test times up. There seem to be no reason to run these tests exclusively, though: they complete in reasonable time, are moderately-threaded, and consume the usual amount of memory.

        We should consider enabling parallelism for them and get improved test performance. Currently it is blocked by TEST.properties with exclusiveAccess.dirs directives in them.

        Current run on 18-core machine:
        6385.39s user 8568.61s system 1308% cpu 19:02.97 total

        Fully parallel:
         3885.67s user 295.13s system 2772% cpu 2:30.77 total

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                shade Aleksey Shipilev
                shade Aleksey Shipilev
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