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Polish

This commit is contained in:
Stephane Nicoll 2015-06-16 10:31:24 +02:00
parent 2b9775d593
commit 8c7b8afedb
1 changed files with 4 additions and 2 deletions
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6
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cache/EhCacheStatisticsProvider.java vendored
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@ -37,8 +37,10 @@ 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()) {
statistics.setHitRatio(hitRatio > 1 ? 1 : hitRatio); // ratio is calculated 'racily' and can drift marginally above unity, so we cap it here
statistics.setMissRatio(hitRatio > 1 ? 0 : 1 - hitRatio); double sanitizedHitRatio = hitRatio > 1 ? 1 : hitRatio;
statistics.setHitRatio(sanitizedHitRatio);
statistics.setMissRatio(1 - sanitizedHitRatio);
} }
return statistics; return statistics;
} }