Add optional "Heap ballast" to alter GC behaviour. #1489
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This allows the heap size to be made bigger, to make Go's GC run less often and use less CPU. See golang/go#23044 Signed-off-by: Bryan Boreham <[email protected]>
csmarchbanks
approved these changes
Jul 3, 2019
| level.Error(util.Logger).Log("msg", "error running Cortex", "err", err) | ||
| } | ||
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| runtime.KeepAlive(ballast) |
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Aha! I tried doing this in a different project awhile ago and did not know about KeepAlive.
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This is a terrible, terrible thing. I apologise.
It allows the heap size to be made bigger, to make Go's GC run less often and use less CPU. See golang/go#23044
Particularly aimed at distributors.