Make sure that "Other ETS" and "Other system" memory metrics are never reported as negative#15289
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…r negative They can become negative due to ETS tables being concurrently added, removed and updated. So simply report 0 in such cases.
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Make sure that "Other ETS" and "Other system" memory metrics are never reported as negative (backport #15289)
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(cherry picked from commit 6cee8ed)
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This has been driving me nuts for a while because it results in a panic in one https://github.com/michaelklishin/rabbitmq-http-api-rs test.
These computed values can be reported as negative due to ETS tables being concurrently added, removed and updated.
So simply report 0 in such cases.