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mirror style for randomized cache insertion sentence

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Damian Gryski 2018-03-04 10:52:51 -08:00
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performance.md
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@ -586,8 +586,7 @@ Cache common cases:
`time.Parse()` for significant speedup.
* But beware cache invalidation, thread issues, etc.
* Random cache eviction is fast and sufficiently effective.
* Only put "some" items in cache (probabilistically) to limit cache size
to popular items with minimal logic.
* Random cache insertion can limit cache to popular items with minimal logic.
* Compare cost of cache logic to cost of refetching the data.
* A large cache can increase GC pressure and keep blowing processor cache.