public long evictions() { return stats.evictionCount(); }
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)); }
private void status() { int drainStatus; int pendingWrites; local.evictionLock.lock(); try { pendingWrites = local.writeBuffer().size(); drainStatus = local.drainStatus(); } finally { local.evictionLock.unlock(); } LocalTime elapsedTime = LocalTime.ofSecondOfDay(stopwatch.elapsed(TimeUnit.SECONDS)); System.out.printf("---------- %s ----------%n", elapsedTime); System.out.printf("Pending reads: %,d; writes: %,d%n", local.readBuffer.size(), pendingWrites); System.out.printf("Drain status = %s (%s)%n", STATUS[drainStatus], drainStatus); System.out.printf("Evictions = %,d%n", cache.stats().evictionCount()); System.out.printf("Size = %,d (max: %,d)%n", local.data.mappingCount(), operation.maxEntries); System.out.printf("Lock = [%s%n", StringUtils.substringAfter( local.evictionLock.toString(), "[")); System.out.printf("Pending tasks = %,d%n", ForkJoinPool.commonPool().getQueuedSubmissionCount()); long maxMemory = Runtime.getRuntime().maxMemory(); long freeMemory = Runtime.getRuntime().freeMemory(); long allocatedMemory = Runtime.getRuntime().totalMemory(); System.out.printf("Max Memory = %,d bytes%n", maxMemory); System.out.printf("Free Memory = %,d bytes%n", freeMemory); System.out.printf("Allocated Memory = %,d bytes%n", allocatedMemory); System.out.println(); }
@Override public CacheStats stats() { com.github.benmanes.caffeine.cache.stats.CacheStats stats = cache.stats(); return new CacheStats(stats.hitCount(), stats.missCount(), stats.loadSuccessCount(), stats.loadFailureCount(), stats.totalLoadTime(), stats.evictionCount()); }
@Override public org.apache.druid.client.cache.CacheStats getStats() { final CacheStats stats = cache.stats(); final long size = cache .policy().eviction() .map(eviction -> eviction.isWeighted() ? eviction.weightedSize() : OptionalLong.empty()) .orElse(OptionalLong.empty()).orElse(-1); return new org.apache.druid.client.cache.CacheStats( stats.hitCount(), stats.missCount(), cache.estimatedSize(), size, stats.evictionCount(), 0, stats.loadFailureCount() ); }
statsForGarbageCollected[HIT_COUNT.ordinal()] += stats.hitCount(); statsForGarbageCollected[MISS_COUNT.ordinal()] += stats.missCount(); statsForGarbageCollected[EVICTION_COUNT.ordinal()] += stats.evictionCount(); statsForGarbageCollected[EVICTION_WEIGHT.ordinal()] += stats.evictionWeight(); statsForGarbageCollected[LOAD_SUCCESS_COUNT.ordinal()] += stats.loadSuccessCount();
/** * Increments all counters by the values in {@code other}. * * @param other the counter to increment from */ public void incrementBy(@NonNull StatsCounter other) { CacheStats otherStats = other.snapshot(); hitCount.add(otherStats.hitCount()); missCount.add(otherStats.missCount()); loadSuccessCount.add(otherStats.loadSuccessCount()); loadFailureCount.add(otherStats.loadFailureCount()); totalLoadTime.add(otherStats.totalLoadTime()); evictionCount.add(otherStats.evictionCount()); evictionWeight.add(otherStats.evictionWeight()); }
CaffeineMetrics(MeterRegistry parent, MeterIdPrefix idPrefix) { this.parent = requireNonNull(parent, "parent"); this.idPrefix = requireNonNull(idPrefix, "idPrefix"); final String requests = idPrefix.name("requests"); parent.more().counter(requests, idPrefix.tags("result", "hit"), this, func(HIT_COUNT, ref -> ref.cacheStats.hitCount())); parent.more().counter(requests, idPrefix.tags("result", "miss"), this, func(MISS_COUNT, ref -> ref.cacheStats.missCount())); parent.more().counter(idPrefix.name("evictions"), idPrefix.tags(), this, func(EVICTION_COUNT, ref -> ref.cacheStats.evictionCount())); parent.more().counter(idPrefix.name("evictionWeight"), idPrefix.tags(), this, func(EVICTION_WEIGHT, ref -> ref.cacheStats.evictionWeight())); parent.gauge(idPrefix.name("estimatedSize"), idPrefix.tags(), this, func(null, ref -> ref.estimatedSize)); }
@Override protected boolean matchesSafely(CacheContext context, Description description) { if (!context.isRecordingStats()) { return true; } CacheStats stats = context.stats(); desc = new DescriptionBuilder(description); ForkJoinPool.commonPool().awaitQuiescence(10, TimeUnit.SECONDS); switch (type) { case HIT: return desc.expectThat(type.name(), stats.hitCount(), is(count)).matches(); case MISS: return desc.expectThat(type.name(), stats.missCount(), is(count)).matches(); case EVICTION_COUNT: return desc.expectThat(type.name(), stats.evictionCount(), is(count)).matches(); case EVICTION_WEIGHT: return desc.expectThat(type.name(), stats.evictionWeight(), is(count)).matches(); case LOAD_SUCCESS: return desc.expectThat(type.name(), stats.loadSuccessCount(), is(count)).matches(); case LOAD_FAILURE: return desc.expectThat(type.name(), stats.loadFailureCount(), is(count)).matches(); default: throw new AssertionError("Unknown stats type"); } }
/** * Gets the number of times a script compiled to a class has been evicted from the cache. */ public long getClassCacheEvictionCount() { return classMap.stats().evictionCount(); }
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)); } }
cacheMissTotal.addMetric(cacheName, stats.missCount()); cacheRequestsTotal.addMetric(cacheName, stats.requestCount()); cacheEvictionTotal.addMetric(cacheName, stats.evictionCount()); cacheSize.addMetric(cacheName, c.getValue().estimatedSize());
public @Override long evictionCount() { return stats.evictionCount(); } };
/** * Increments all counters by the values in {@code other}. * * @param other the counter to increment from */ public void incrementBy(@Nonnull StatsCounter other) { CacheStats otherStats = other.snapshot(); hitCount.add(otherStats.hitCount()); missCount.add(otherStats.missCount()); loadSuccessCount.add(otherStats.loadSuccessCount()); loadFailureCount.add(otherStats.loadFailureCount()); totalLoadTime.add(otherStats.totalLoadTime()); evictionCount.add(otherStats.evictionCount()); evictionWeight.add(otherStats.evictionWeight()); }
/** * Gets the number of times a script compiled to a class has been evicted from the cache. */ public long getClassCacheEvictionCount() { return classMap.stats().evictionCount(); }
@Override public CacheStats stats() { com.github.benmanes.caffeine.cache.stats.CacheStats stats = cache.stats(); return new CacheStats(stats.hitCount(), stats.missCount(), stats.loadSuccessCount(), stats.loadFailureCount(), stats.totalLoadTime(), stats.evictionCount()); }
@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()); } }