public double hitRate() { return stats.hitRate(); }
static void printStats(Cache<Long, Long> cache) { if (debug) { System.out.printf("size %,d requests %,d hit ratio %f%n", cache.estimatedSize(), cache.stats().requestCount(), cache.stats().hitRate()); } }
private static void checkStats(CacheStats stats, long requestCount, long hitCount, double hitRate, long missCount, double missRate, long loadSuccessCount, long loadFailureCount, double loadExceptionRate, long loadCount, long totalLoadTime, double averageLoadPenalty, long evictionCount, long evictionWeight) { assertThat(stats.requestCount(), is(requestCount)); assertThat(stats.hitCount(), is(hitCount)); assertThat(stats.hitRate(), is(hitRate)); assertThat(stats.missCount(), is(missCount)); assertThat(stats.missRate(), is(missRate)); assertThat(stats.loadSuccessCount(), is(loadSuccessCount)); assertThat(stats.loadFailureCount(), is(loadFailureCount)); assertThat(stats.loadFailureRate(), is(loadExceptionRate)); assertThat(stats.totalLoadTime(), is(totalLoadTime)); assertThat(stats.averageLoadPenalty(), is(averageLoadPenalty)); assertThat(stats.evictionCount(), is(evictionCount)); assertThat(stats.evictionWeight(), is(evictionWeight)); }
printStats(cache); assertThat(cache.stats().hitRate(), is(greaterThan(0.99d)));
@Override public String toString() { StringBuilder sb = new StringBuilder(); long total = staticCacheHits + staticCacheMiss; if (total > 0) { sb.append(String.format("Static cache(size: %d) Hit rate: %.3f%n", staticCache.size(), 1.0 * (staticCacheHits) / (staticCacheHits + staticCacheMiss))); } sb.append(String.format("Dynamic cache hit rate: %.3f ", dynamicCache.stats().hitRate())); return sb.toString(); } }
/** * Gets the hit rate of the class cache. */ public double getClassCacheHitRate() { return classMap.stats().hitRate(); }
public void testEmpty() { CacheStats stats = new CacheStats(0, 0, 0, 0, 0, 0, 0); assertEquals(0, stats.requestCount()); assertEquals(0, stats.hitCount()); assertEquals(1.0, stats.hitRate()); assertEquals(0, stats.missCount()); assertEquals(0.0, stats.missRate()); assertEquals(0, stats.loadSuccessCount()); assertEquals(0, stats.loadFailureCount()); assertEquals(0.0, stats.loadFailureRate()); assertEquals(0, stats.loadCount()); assertEquals(0, stats.totalLoadTime()); assertEquals(0.0, stats.averageLoadPenalty()); assertEquals(0, stats.evictionCount()); }
public void testSingle() { CacheStats stats = new CacheStats(11, 13, 17, 19, 23, 27, 54); assertEquals(24, stats.requestCount()); assertEquals(11, stats.hitCount()); assertEquals(11.0/24, stats.hitRate()); assertEquals(13, stats.missCount()); assertEquals(13.0/24, stats.missRate()); assertEquals(17, stats.loadSuccessCount()); assertEquals(19, stats.loadFailureCount()); assertEquals(19.0/36, stats.loadFailureRate()); assertEquals(17 + 19, stats.loadCount()); assertEquals(23, stats.totalLoadTime()); assertEquals(23.0/(17 + 19), stats.averageLoadPenalty()); assertEquals(27, stats.evictionCount()); assertEquals(54, stats.evictionWeight()); }
public void testMinus() { CacheStats one = new CacheStats(11, 13, 17, 19, 23, 27, 54); CacheStats two = new CacheStats(53, 47, 43, 41, 37, 31, 62); CacheStats diff = two.minus(one); assertEquals(76, diff.requestCount()); assertEquals(42, diff.hitCount()); assertEquals(42.0/76, diff.hitRate()); assertEquals(34, diff.missCount()); assertEquals(34.0/76, diff.missRate()); assertEquals(26, diff.loadSuccessCount()); assertEquals(22, diff.loadFailureCount()); assertEquals(22.0/48, diff.loadFailureRate()); assertEquals(26 + 22, diff.loadCount()); assertEquals(14, diff.totalLoadTime()); assertEquals(14.0/(26 + 22), diff.averageLoadPenalty()); assertEquals(4, diff.evictionCount()); assertEquals(8, diff.evictionWeight()); assertEquals(new CacheStats(0, 0, 0, 0, 0, 0, 0), one.minus(two)); }
public void testPlus() { CacheStats one = new CacheStats(11, 13, 15, 13, 11, 9, 18); CacheStats two = new CacheStats(53, 47, 41, 39, 37, 35, 70); CacheStats sum = two.plus(one); assertEquals(124, sum.requestCount()); assertEquals(64, sum.hitCount()); assertEquals(64.0/124, sum.hitRate()); assertEquals(60, sum.missCount()); assertEquals(60.0/124, sum.missRate()); assertEquals(56, sum.loadSuccessCount()); assertEquals(52, sum.loadFailureCount()); assertEquals(52.0/108, sum.loadFailureRate()); assertEquals(56 + 52, sum.loadCount()); assertEquals(48, sum.totalLoadTime()); assertEquals(48.0/(56 + 52), sum.averageLoadPenalty()); assertEquals(44, sum.evictionCount()); assertEquals(88, sum.evictionWeight()); assertEquals(sum, one.plus(two)); } }
public @Override double hitRate() { return stats.hitRate(); }
/** * Gets the hit rate of the class cache. */ public double getClassCacheHitRate() { return classMap.stats().hitRate(); }
@Override public void serialize(CacheStats value, JsonGenerator gen, SerializerProvider provider) throws IOException { gen.writeStartObject(); gen.writeNumberField("requestCount", value.requestCount()); gen.writeNumberField("hitCount", value.hitCount()); gen.writeNumberField("hitRate", value.hitRate()); gen.writeNumberField("missCount", value.missCount()); gen.writeNumberField("missRate", value.missRate()); gen.writeNumberField("loadCount", value.loadCount()); gen.writeNumberField("loadSuccessCount", value.loadSuccessCount()); gen.writeNumberField("loadFailureCount", value.loadFailureCount()); gen.writeNumberField("loadFailureRate", value.loadFailureRate()); gen.writeNumberField("totalLoadTime", value.totalLoadTime()); gen.writeNumberField("averageLoadPenalty", value.averageLoadPenalty()); gen.writeNumberField("evictionCount", value.evictionCount()); gen.writeNumberField("evictionWeight", value.evictionWeight()); gen.writeEndObject(); } }
@Override public void serialize(CacheStats value, JsonGenerator gen, SerializerProvider provider) throws IOException { gen.writeStartObject(); gen.writeNumberField("requestCount", value.requestCount()); gen.writeNumberField("hitCount", value.hitCount()); gen.writeNumberField("hitRate", value.hitRate()); gen.writeNumberField("missCount", value.missCount()); gen.writeNumberField("missRate", value.missRate()); gen.writeNumberField("loadCount", value.loadCount()); gen.writeNumberField("loadSuccessCount", value.loadSuccessCount()); gen.writeNumberField("loadFailureCount", value.loadFailureCount()); gen.writeNumberField("loadFailureRate", value.loadFailureRate()); gen.writeNumberField("totalLoadTime", value.totalLoadTime()); gen.writeNumberField("averageLoadPenalty", value.averageLoadPenalty()); gen.writeNumberField("evictionCount", value.evictionCount()); gen.writeNumberField("evictionWeight", value.evictionWeight()); gen.writeEndObject(); } }
@Override public void serialize(CacheStats value, JsonGenerator gen, SerializerProvider provider) throws IOException { gen.writeStartObject(); gen.writeNumberField("requestCount", value.requestCount()); gen.writeNumberField("hitCount", value.hitCount()); gen.writeNumberField("hitRate", value.hitRate()); gen.writeNumberField("missCount", value.missCount()); gen.writeNumberField("missRate", value.missRate()); gen.writeNumberField("loadCount", value.loadCount()); gen.writeNumberField("loadSuccessCount", value.loadSuccessCount()); gen.writeNumberField("loadFailureCount", value.loadFailureCount()); gen.writeNumberField("loadFailureRate", value.loadFailureRate()); gen.writeNumberField("totalLoadTime", value.totalLoadTime()); gen.writeNumberField("averageLoadPenalty", value.averageLoadPenalty()); gen.writeNumberField("evictionCount", value.evictionCount()); gen.writeNumberField("evictionWeight", value.evictionWeight()); gen.writeEndObject(); } }
row.put(JMX_PN_VALUE, String.format("%.0f%%", cacheStats.hitRate() * 100)); tabularData.put(new CompositeDataSupport(cacheEntryType, row));
public void printCacheStat(String name, Cache<?,?> cache){ CacheStats s = cache.stats(); System.out.printf( "%35s: %6d (EV) %6d (HC) %5.1f (HR) %6d (LC) %6d (LFC) %5.1f (LFR) %6d (LSC) %6d (MC) %5.1f (MR) %6d (RC) %10.1f (ALP) \n", //"%35s: %12.0f (ALP) %f (HR) %d (RC)\n", name, s.evictionCount(), s.hitCount(), s.hitRate(), s.loadCount(), s.loadFailureCount(), s.loadFailureRate(), s.loadSuccessCount(), s.missCount(), s.missRate(), s.requestCount(), s.averageLoadPenalty()); }
@Override protected void doHealthCheck(Health.Builder builder) throws Exception { CacheStats stats = this.cache.stats(); builder.up().withDetail("evictionCount", stats.evictionCount()); builder.up().withDetail("hitRate", stats.hitRate()); builder.up().withDetail("missRate", stats.missRate()); builder.up().withDetail("hitCount", stats.hitCount()); } }