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CacheStats.loadExceptionCount
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How to use
loadExceptionCount
method
in
com.google.common.cache.CacheStats

Best Java code snippets using com.google.common.cache.CacheStats.loadExceptionCount (Showing top 20 results out of 405)

origin: Netflix/eureka

/**
 * Gets the number of ASG queries that failed because of some reason.
 *
 * @return the long value representing the number of ASG queries that failed
 *         because of some reason.
 */
@com.netflix.servo.annotations.Monitor(name = "numOfASGQueryFailures",
    description = "Number of queries made to AWS to retrieve ASG information and that failed",
    type = DataSourceType.COUNTER)
public long getNumberofASGQueryFailures() {
  return asgCache.stats().loadExceptionCount();
}
origin: google/guava

 /** Increments all counters by the values in {@code other}. */
 public void incrementBy(StatsCounter other) {
  CacheStats otherStats = other.snapshot();
  hitCount.add(otherStats.hitCount());
  missCount.add(otherStats.missCount());
  loadSuccessCount.add(otherStats.loadSuccessCount());
  loadExceptionCount.add(otherStats.loadExceptionCount());
  totalLoadTime.add(otherStats.totalLoadTime());
  evictionCount.add(otherStats.evictionCount());
 }
}
origin: google/guava

public void testBulkLoadInterruptedException() {
 Exception e = new InterruptedException();
 CacheLoader<Object, Object> loader = exceptionLoader(e);
 LoadingCache<Object, Object> cache =
   CacheBuilder.newBuilder().recordStats().build(bulkLoader(loader));
 CacheStats stats = cache.stats();
 assertEquals(0, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
 try {
  cache.getAll(asList(new Object()));
  fail();
 } catch (ExecutionException expected) {
  assertThat(expected).hasCauseThat().isSameAs(e);
 }
 assertTrue(currentThread().interrupted());
 stats = cache.stats();
 assertEquals(1, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(1, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
}
origin: google/guava

public void testBulkLoadCheckedException() {
 Exception e = new Exception();
 CacheLoader<Object, Object> loader = exceptionLoader(e);
 LoadingCache<Object, Object> cache =
   CacheBuilder.newBuilder().recordStats().build(bulkLoader(loader));
 CacheStats stats = cache.stats();
 assertEquals(0, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
 try {
  cache.getAll(asList(new Object()));
  fail();
 } catch (ExecutionException expected) {
  assertThat(expected).hasCauseThat().isSameAs(e);
 }
 stats = cache.stats();
 assertEquals(1, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(1, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
}
origin: google/guava

public void testBulkLoadNull() throws ExecutionException {
 LoadingCache<Object, Object> cache =
   CacheBuilder.newBuilder().recordStats().build(bulkLoader(constantLoader(null)));
 CacheStats stats = cache.stats();
 assertEquals(0, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
 try {
  cache.getAll(asList(new Object()));
  fail();
 } catch (InvalidCacheLoadException expected) {
 }
 stats = cache.stats();
 assertEquals(1, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(1, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
}
origin: google/guava

public void testBulkLoadError() throws ExecutionException {
 Error e = new Error();
 CacheLoader<Object, Object> loader = errorLoader(e);
 LoadingCache<Object, Object> cache =
   CacheBuilder.newBuilder().recordStats().build(bulkLoader(loader));
 CacheStats stats = cache.stats();
 assertEquals(0, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
 try {
  cache.getAll(asList(new Object()));
  fail();
 } catch (ExecutionError expected) {
  assertThat(expected).hasCauseThat().isSameAs(e);
 }
 stats = cache.stats();
 assertEquals(1, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(1, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
}
origin: google/guava

public void testBulkLoadUncheckedException() throws ExecutionException {
 Exception e = new RuntimeException();
 CacheLoader<Object, Object> loader = exceptionLoader(e);
 LoadingCache<Object, Object> cache =
   CacheBuilder.newBuilder().recordStats().build(bulkLoader(loader));
 CacheStats stats = cache.stats();
 assertEquals(0, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
 try {
  cache.getAll(asList(new Object()));
  fail();
 } catch (UncheckedExecutionException expected) {
  assertThat(expected).hasCauseThat().isSameAs(e);
 }
 stats = cache.stats();
 assertEquals(1, stats.missCount());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(1, stats.loadExceptionCount());
 assertEquals(0, stats.hitCount());
}
origin: google/guava

assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(1, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
origin: google/j2objc

 /** Increments all counters by the values in {@code other}. */
 public void incrementBy(StatsCounter other) {
  CacheStats otherStats = other.snapshot();
  hitCount.add(otherStats.hitCount());
  missCount.add(otherStats.missCount());
  loadSuccessCount.add(otherStats.loadSuccessCount());
  loadExceptionCount.add(otherStats.loadExceptionCount());
  totalLoadTime.add(otherStats.totalLoadTime());
  evictionCount.add(otherStats.evictionCount());
 }
}
origin: google/guava

assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(3, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(5, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(1, stats.hitCount());
assertEquals(6, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(3, stats.hitCount());
assertEquals(6, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(6, stats.hitCount());
origin: google/guava

assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(2, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(2, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(1, stats.hitCount());
origin: google/guava

assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(1, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(1, stats.loadExceptionCount());
assertEquals(1, stats.hitCount());
origin: google/guava

assertEquals(0, stats.missCount());
assertEquals(0, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(0, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(1, stats.loadExceptionCount());
assertEquals(0, stats.hitCount());
assertEquals(1, stats.missCount());
assertEquals(1, stats.loadSuccessCount());
assertEquals(1, stats.loadExceptionCount());
assertEquals(1, stats.hitCount());
origin: ben-manes/caffeine

@Override
public CacheStats stats() {
 com.google.common.cache.CacheStats stats = statsCounter.snapshot().plus(cache.stats());
 return new CacheStats(stats.hitCount(), stats.missCount(), stats.loadSuccessCount(),
   stats.loadExceptionCount(), stats.totalLoadTime(), stats.evictionCount(), 0L);
}
origin: google/guava

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());
}
origin: google/guava

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());
}
origin: google/guava

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());
}
origin: google/guava

 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));
 }
}
origin: google/guava

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));
}
origin: google/guava

assertEquals(((double) missCount) / requestCount, stats.missRate());
assertEquals(13, stats.loadSuccessCount());
assertEquals(17, stats.loadExceptionCount());
assertEquals(13 + 17, stats.loadCount());
assertEquals(214, stats.totalLoadTime());
com.google.common.cacheCacheStatsloadExceptionCount

Javadoc

Returns the number of times Cache lookup methods threw an exception while loading a new value. This is usually incremented in conjunction with missCount, though missCount is also incremented when cache loading completes successfully (see #loadSuccessCount). Multiple concurrent misses for the same key will result in a single load operation. This may be incremented not in conjunction with missCount if the load occurs as a result of a refresh or if the cache loader returned more items than was requested. missCount may also be incremented not in conjunction with this (nor #loadSuccessCount) on calls to getIfPresent.

Popular methods of CacheStats

  • hitCount
    Returns the number of times Cache lookup methods have returned a cached value.
  • evictionCount
    Returns the number of times an entry has been evicted. This count does not include manual Cache#inva
  • missCount
    Returns the number of times Cache lookup methods have returned an uncached (newly loaded) value, or
  • totalLoadTime
    Returns the total number of nanoseconds the cache has spent loading new values. This can be used to
  • loadSuccessCount
    Returns the number of times Cache lookup methods have successfully loaded a new value. This is alway
  • requestCount
    Returns the number of times Cache lookup methods have returned either a cached or uncached value. Th
  • hitRate
    Returns the ratio of cache requests which were hits. This is defined as hitCount / requestCount, or
  • loadCount
    Returns the total number of times that Cache lookup methods attempted to load new values. This inclu
  • <init>
    Constructs a new CacheStats instance.Five parameters of the same type in a row is a bad thing, but t
  • missRate
    Returns the ratio of cache requests which were misses. This is defined as missCount / requestCount,
  • averageLoadPenalty
    Returns the average time spent loading new values. This is defined as totalLoadTime / (loadSuccessCo
  • loadExceptionRate
    Returns the ratio of cache loading attempts which threw exceptions. This is defined as loadException
  • averageLoadPenalty,
  • loadExceptionRate,
  • toString,
  • minus,
  • plus

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