- Common ways to obtain CacheStats
private void myMethod () {CacheStats c =
LoadingCache cache;cache.stats()
- Smart code suggestions by Tabnine
}
@Override public Number getValue() { if (getCache() == null) return Long.valueOf(0); return Double.valueOf(getStats().averageLoadPenalty()/1000000); }
@com.netflix.servo.annotations.Monitor(name = "averageLoadPenalty", type = GAUGE) double averageLoadPenalty() { return memoStats.get().averageLoadPenalty(); }
public void testSingle() { CacheStats stats = new CacheStats(11, 13, 17, 19, 23, 27); 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.loadExceptionCount()); assertEquals(19.0 / 36, stats.loadExceptionRate()); assertEquals(17 + 19, stats.loadCount()); assertEquals(23, stats.totalLoadTime()); assertEquals(23.0 / (17 + 19), stats.averageLoadPenalty()); assertEquals(27, stats.evictionCount()); }
public void testEmptySimpleStats() { StatsCounter counter = new SimpleStatsCounter(); CacheStats stats = counter.snapshot(); 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.loadExceptionCount()); assertEquals(0, stats.loadCount()); assertEquals(0, stats.totalLoadTime()); assertEquals(0.0, stats.averageLoadPenalty()); assertEquals(0, stats.evictionCount()); }
public void testEmpty() { CacheStats stats = new CacheStats(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.loadExceptionCount()); assertEquals(0.0, stats.loadExceptionRate()); assertEquals(0, stats.loadCount()); assertEquals(0, stats.totalLoadTime()); assertEquals(0.0, stats.averageLoadPenalty()); assertEquals(0, stats.evictionCount()); }
long totalLoadTime = stats.totalLoadTime(); assertTrue(totalLoadTime >= 0); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(0, stats.evictionCount()); assertTrue(stats.totalLoadTime() >= totalLoadTime); totalLoadTime = stats.totalLoadTime(); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(0, stats.evictionCount()); assertTrue(stats.totalLoadTime() >= totalLoadTime); totalLoadTime = stats.totalLoadTime(); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(1, stats.evictionCount());
long totalLoadTime = stats.totalLoadTime(); assertTrue(totalLoadTime >= 0); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(0, stats.evictionCount()); assertTrue(stats.totalLoadTime() >= totalLoadTime); totalLoadTime = stats.totalLoadTime(); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(0, stats.evictionCount()); assertTrue(stats.totalLoadTime() >= totalLoadTime); totalLoadTime = stats.totalLoadTime(); assertTrue(stats.averageLoadPenalty() >= 0.0); assertEquals(1, stats.evictionCount());
public void testMinus() { CacheStats one = new CacheStats(11, 13, 17, 19, 23, 27); CacheStats two = new CacheStats(53, 47, 43, 41, 37, 31); 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.loadExceptionCount()); assertEquals(22.0 / 48, diff.loadExceptionRate()); assertEquals(26 + 22, diff.loadCount()); assertEquals(14, diff.totalLoadTime()); assertEquals(14.0 / (26 + 22), diff.averageLoadPenalty()); assertEquals(4, diff.evictionCount()); assertEquals(new CacheStats(0, 0, 0, 0, 0, 0), one.minus(two)); }
public void testPlus() { CacheStats one = new CacheStats(11, 13, 15, 13, 11, 9); CacheStats two = new CacheStats(53, 47, 41, 39, 37, 35); 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.loadExceptionCount()); assertEquals(52.0 / 108, sum.loadExceptionRate()); assertEquals(56 + 52, sum.loadCount()); assertEquals(48, sum.totalLoadTime()); assertEquals(48.0 / (56 + 52), sum.averageLoadPenalty()); assertEquals(44, sum.evictionCount()); assertEquals(sum, one.plus(two)); } }
assertEquals(13 + 17, stats.loadCount()); assertEquals(214, stats.totalLoadTime()); assertEquals(214.0 / (13 + 17), stats.averageLoadPenalty()); assertEquals(27, stats.evictionCount());
cacheStatistics.put("averageLoadPenalty", cacheStats.averageLoadPenalty()); cacheStatistics.put("evictionCount", cacheStats.evictionCount()); cacheStatistics.put("hitCount", cacheStats.hitCount());
@Override public Double getValue() { return eventTemplateCache.stats().averageLoadPenalty(); } });
@Override public Double getValue() { return cache.stats().averageLoadPenalty(); } });
@Override public Double getValue() { return eventTemplateCache.stats().averageLoadPenalty(); } });
@Override public Double getValue() { return cache.stats().averageLoadPenalty(); } });
@Override public double getAverageLoadPenalty() { return stats().averageLoadPenalty(); }
@Override public Double getValue() { return client.stats().incrementBufferStats() .averageLoadPenalty(); } });
@com.netflix.servo.annotations.Monitor(name = "averageLoadPenalty", type = GAUGE) double averageLoadPenalty() { return memoStats.get().averageLoadPenalty(); }
@Override public void run() { CacheStats cacheStats = cacheResource.getCacheStats().minus(relativeCacheStats); String csvStats = String.format("%.3f, %.3f, %d %n", cacheStats.hitRate(), cacheStats.averageLoadPenalty(), cacheStats.evictionCount()); try { com.google.common.io.Files.append(csvStats, cacheLog, Charset.defaultCharset()); } catch (IOException e) { } } }, 0, DEFAULT_LOGGING_DELAY, TimeUnit.SECONDS);
@Override public void run() { CacheStats cacheStats = cacheResource.getCacheStats().minus(relativeCacheStats); String csvStats = String.format("%.3f, %.3f, %d %n", cacheStats.hitRate(), cacheStats.averageLoadPenalty(), cacheStats.evictionCount()); try { com.google.common.io.Files.append(csvStats, cacheLog, Charset.defaultCharset()); } catch (IOException e) { } } }, 0, DEFAULT_LOGGING_DELAY, TimeUnit.SECONDS);