ctubbsii commented on issue #1534: GarbageCollectorIT.gcLotsOfCandidatesIT failure URL: https://github.com/apache/accumulo/issues/1534#issuecomment-594203437 The G1GC (the default GC in newer JVMs) has more overhead, and can very quickly run out of memory on a JVM configured with too little memory. We saw the same issue in Upgrader9to10 and fixed it in #1441. I checked other places in our ITs to see where we set the JVM memory size for processes launched by mini, and this was the only one as low as 16MB. 32MB seems to be a reasonable minimum for G1GC. Thanks for looking into this @jzgithub1 and @milleruntime . Glad we got it figured it.
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