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java --version
openjdk 12.0.2 2019-07-16
OpenJDK Runtime Environment (build 12.0.2+10)
OpenJDK 64-Bit Server VM (build 12.0.2+10, mixed mode, sharing) |
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7. Сonfigure ZGC according to the recommendations (the number of memory pages (2048K each) with a margin of a quarter more than that obtained from calculating to the memory for heap (1.25 ,125 * 24G * 1024 / 2M)) and add the required parameters in the server startup:
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mkdir /hugepages echo "echo 1305113824 >/sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages" >>/etc/rc.local echo "mount -t hugetlbfs -o uid=0 nodev /hugepages" >>/etc/rc.local chmod +x /etc/rc.d/rc.local systemctl enable rc-local.service systemctl restart rc-local.service |
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