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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2020/09/27 03:06:48 UTC
[GitHub] [rocketmq] iamqq23ue opened a new issue #2321: rocketmq -XX:MaxDirectMemorySize is invalid
iamqq23ue opened a new issue #2321:
URL: https://github.com/apache/rocketmq/issues/2321
rocketmq version:4.7.1 system :linux 16C 32G。
I set -XX:MaxDirectMemorySize =3g in runbroker.sh，but The memory occupied by rocketmq continues to increase until it occupies most of the system memory。
Use the top command to see that the SHR is much larger than 3g.
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[GitHub] [rocketmq] RongtongJin closed issue #2321: rocketmq -XX:MaxDirectMemorySize is invalid
Posted by GitBox <gi...@apache.org>.
RongtongJin closed issue #2321:
URL: https://github.com/apache/rocketmq/issues/2321
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[GitHub] [rocketmq] RongtongJin commented on issue #2321: rocketmq -XX:MaxDirectMemorySize is invalid
Posted by GitBox <gi...@apache.org>.
RongtongJin commented on issue #2321:
URL: https://github.com/apache/rocketmq/issues/2321#issuecomment-699638470
-XX:MaxDirectMemorySize can not restrict RocketMQ from using page cache, but can only restrict the use of direct memory. For example, when transientStorePoolEnable is true in broker's config, this parameter will limit the size of direct memory.
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