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  1. JDK
  2. JDK-8310015

ZGC: Unbounded asynchronous unmapping can lead to running out of address space

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    • gc
    • b28
    • Not verified

        ZGC (both generational and non-generational) use asynchronous unmapping. Today the amount of unmapping requests we can queue up is unbounded. This can lead to a classic consumer producer problem, where the consumer is slower than the producer, and we eventually run out of address space and have to shut down.
        This issue seeks to focus on the unbounded nature of the asynchronous unmapping.

              eosterlund Erik Österlund
              eosterlund Erik Österlund
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