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Commit af5338f2 authored by Phillip Webb's avatar Phillip Webb
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parent a33deee9
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spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/EhCacheStatisticsProvider.java
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...@@ -37,8 +37,9 @@ public class EhCacheStatisticsProvider implements CacheStatisticsProvider<EhCach ...@@ -37,8 +37,9 @@ public class EhCacheStatisticsProvider implements CacheStatisticsProvider<EhCach
statistics.setSize(ehCacheStatistics.getSize()); statistics.setSize(ehCacheStatistics.getSize());
Double hitRatio = ehCacheStatistics.cacheHitRatio(); Double hitRatio = ehCacheStatistics.cacheHitRatio();
if (!hitRatio.isNaN()) { if (!hitRatio.isNaN()) {
// ratio is calculated 'racily' and can drift marginally above unity, so we cap it here // ratio is calculated 'racily' and can drift marginally above unity,
double sanitizedHitRatio = hitRatio > 1 ? 1 : hitRatio; // so we cap it here
double sanitizedHitRatio = (hitRatio > 1 ? 1 : hitRatio);
statistics.setHitRatio(sanitizedHitRatio); statistics.setHitRatio(sanitizedHitRatio);
statistics.setMissRatio(1 - sanitizedHitRatio); statistics.setMissRatio(1 - sanitizedHitRatio);
} }
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