franz1981 commented on issue #2645: ARTEMIS-2321 Paging scalability and GC improvement URL: https://github.com/apache/activemq-artemis/pull/2645#issuecomment-486980042 The most relevant one from a functional point of view is the non-blocking Page::read on page cache. I've maintained a separate commit for each improvement to make it easier to review them separately. Although not really a bug I've recently looked into many stacktraces showing many threads blocked on soft cache due to slow `Page::read`, causing the broker to be unresponsive and suicide itself right after: this change (together with https://github.com/apache/activemq-artemis/pull/2633) should make the broker less prone to became unresponsive under a storm of page cache misses.
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