HBASE-14314 Metrics for block cache should take region replicas into account
This commit is contained in:
parent
ec4d719f19
commit
b7a67c6382
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@ -207,12 +207,20 @@ public interface MetricsRegionServerSource extends BaseSource {
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String BLOCK_CACHE_SIZE_DESC = "Size of the block cache.";
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String BLOCK_CACHE_HIT_COUNT = "blockCacheHitCount";
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String BLOCK_CACHE_HIT_COUNT_DESC = "Count of the hit on the block cache.";
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String BLOCK_CACHE_PRIMARY_HIT_COUNT = "blockCacheHitCountPrimary";
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String BLOCK_CACHE_PRIMARY_HIT_COUNT_DESC = "Count of hit on primary replica in the block cache.";
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String BLOCK_CACHE_MISS_COUNT = "blockCacheMissCount";
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String BLOCK_COUNT_MISS_COUNT_DESC =
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"Number of requests for a block that missed the block cache.";
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String BLOCK_CACHE_PRIMARY_MISS_COUNT = "blockCacheMissCountPrimary";
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String BLOCK_COUNT_PRIMARY_MISS_COUNT_DESC =
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"Number of requests for a block of primary replica that missed the block cache.";
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String BLOCK_CACHE_EVICTION_COUNT = "blockCacheEvictionCount";
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String BLOCK_CACHE_EVICTION_COUNT_DESC =
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"Count of the number of blocks evicted from the block cache.";
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String BLOCK_CACHE_PRIMARY_EVICTION_COUNT = "blockCacheEvictionCountPrimary";
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String BLOCK_CACHE_PRIMARY_EVICTION_COUNT_DESC =
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"Count of the number of blocks evicted from primary replica in the block cache.";
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String BLOCK_CACHE_HIT_PERCENT = "blockCacheCountHitPercent";
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String BLOCK_CACHE_HIT_PERCENT_DESC =
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"Percent of block cache requests that are hits";
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@ -197,16 +197,32 @@ public interface MetricsRegionServerWrapper {
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*/
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long getBlockCacheHitCount();
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/**
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* Get the count of hits to primary replica in the block cache
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*/
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long getBlockCachePrimaryHitCount();
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/**
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* Get the count of misses to the block cache.
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*/
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long getBlockCacheMissCount();
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/**
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* Get the count of misses to primary replica in the block cache.
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*/
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long getBlockCachePrimaryMissCount();
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/**
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* Get the number of items evicted from the block cache.
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*/
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long getBlockCacheEvictedCount();
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/**
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* Get the number of items evicted from primary replica in the block cache.
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*/
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long getBlockCachePrimaryEvictedCount();
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/**
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* Get the percent of all requests that hit the block cache.
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*/
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@ -236,10 +236,16 @@ public class MetricsRegionServerSourceImpl
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rsWrap.getBlockCacheSize())
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.addCounter(Interns.info(BLOCK_CACHE_HIT_COUNT, BLOCK_CACHE_HIT_COUNT_DESC),
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rsWrap.getBlockCacheHitCount())
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.addCounter(Interns.info(BLOCK_CACHE_PRIMARY_HIT_COUNT,
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BLOCK_CACHE_PRIMARY_HIT_COUNT_DESC), rsWrap.getBlockCachePrimaryHitCount())
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.addCounter(Interns.info(BLOCK_CACHE_MISS_COUNT, BLOCK_COUNT_MISS_COUNT_DESC),
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rsWrap.getBlockCacheMissCount())
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.addCounter(Interns.info(BLOCK_CACHE_PRIMARY_MISS_COUNT,
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BLOCK_COUNT_PRIMARY_MISS_COUNT_DESC), rsWrap.getBlockCachePrimaryMissCount())
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.addCounter(Interns.info(BLOCK_CACHE_EVICTION_COUNT, BLOCK_CACHE_EVICTION_COUNT_DESC),
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rsWrap.getBlockCacheEvictedCount())
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.addCounter(Interns.info(BLOCK_CACHE_PRIMARY_EVICTION_COUNT,
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BLOCK_CACHE_PRIMARY_EVICTION_COUNT_DESC), rsWrap.getBlockCachePrimaryEvictedCount())
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.addGauge(Interns.info(BLOCK_CACHE_HIT_PERCENT, BLOCK_CACHE_HIT_PERCENT_DESC),
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rsWrap.getBlockCacheHitPercent())
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.addGauge(Interns.info(BLOCK_CACHE_EXPRESS_HIT_PERCENT,
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@ -30,6 +30,7 @@ public class BlockCacheKey implements HeapSize, java.io.Serializable {
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private static final long serialVersionUID = -5199992013113130534L;
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private final String hfileName;
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private final long offset;
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private final boolean isPrimaryReplicaBlock;
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/**
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* Construct a new BlockCacheKey
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@ -37,6 +38,11 @@ public class BlockCacheKey implements HeapSize, java.io.Serializable {
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* @param offset Offset of the block into the file
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*/
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public BlockCacheKey(String hfileName, long offset) {
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this(hfileName, offset, true);
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}
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public BlockCacheKey(String hfileName, long offset, boolean isPrimaryReplica) {
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this.isPrimaryReplicaBlock = isPrimaryReplica;
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this.hfileName = hfileName;
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this.offset = offset;
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}
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@ -63,7 +69,7 @@ public class BlockCacheKey implements HeapSize, java.io.Serializable {
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return String.format("%s_%d", hfileName, offset);
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}
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public static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT +
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public static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT +Bytes.SIZEOF_BOOLEAN +
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ClassSize.REFERENCE + // this.hfileName
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Bytes.SIZEOF_LONG); // this.offset
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@ -85,6 +91,10 @@ public class BlockCacheKey implements HeapSize, java.io.Serializable {
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return hfileName;
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}
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public boolean isPrimary() {
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return isPrimaryReplicaBlock;
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}
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public long getOffset() {
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return offset;
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}
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@ -43,6 +43,9 @@ public class CacheStats {
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/** The number of getBlock requests that were cache hits */
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private final AtomicLong hitCount = new AtomicLong(0);
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/** The number of getBlock requests that were cache hits from primary replica */
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private final AtomicLong primaryHitCount = new AtomicLong(0);
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/**
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* The number of getBlock requests that were cache hits, but only from
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* requests that were set to use the block cache. This is because all reads
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@ -54,6 +57,8 @@ public class CacheStats {
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/** The number of getBlock requests that were cache misses */
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private final AtomicLong missCount = new AtomicLong(0);
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/** The number of getBlock requests for primary replica that were cache misses */
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private final AtomicLong primaryMissCount = new AtomicLong(0);
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/**
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* The number of getBlock requests that were cache misses, but only from
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* requests that were set to use the block cache.
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@ -66,6 +71,9 @@ public class CacheStats {
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/** The total number of blocks that have been evicted */
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private final AtomicLong evictedBlockCount = new AtomicLong(0);
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/** The total number of blocks for primary replica that have been evicted */
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private final AtomicLong primaryEvictedBlockCount = new AtomicLong(0);
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/** The number of metrics periods to include in window */
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private final int numPeriodsInWindow;
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/** Hit counts for each period in window */
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@ -112,17 +120,25 @@ public class CacheStats {
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", missCount=" + getMissCount() + ", missCachingCount=" + getMissCachingCount() +
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", evictionCount=" + getEvictionCount() +
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", evictedBlockCount=" + getEvictedCount() +
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", primaryMissCount=" + getPrimaryMissCount() +
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", primaryHitCount=" + getPrimaryHitCount() +
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", evictedAgeMean=" + snapshot.getMean() +
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", evictedAgeStdDev=" + snapshot.getStdDev();
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}
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public void miss(boolean caching) {
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public void miss(boolean caching, boolean primary) {
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missCount.incrementAndGet();
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if (primary) primaryMissCount.incrementAndGet();
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if (caching) missCachingCount.incrementAndGet();
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}
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public void hit(boolean caching) {
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hit(caching, true);
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}
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public void hit(boolean caching, boolean primary) {
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hitCount.incrementAndGet();
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if (primary) primaryHitCount.incrementAndGet();
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if (caching) hitCachingCount.incrementAndGet();
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}
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@ -130,9 +146,12 @@ public class CacheStats {
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evictionCount.incrementAndGet();
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}
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public void evicted(final long t) {
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public void evicted(final long t, boolean primary) {
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if (t > this.startTime) this.ageAtEviction.update(t - this.startTime);
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this.evictedBlockCount.incrementAndGet();
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if (primary) {
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primaryEvictedBlockCount.incrementAndGet();
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}
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}
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public long getRequestCount() {
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@ -147,6 +166,10 @@ public class CacheStats {
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return missCount.get();
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}
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public long getPrimaryMissCount() {
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return primaryMissCount.get();
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}
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public long getMissCachingCount() {
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return missCachingCount.get();
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}
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@ -155,6 +178,10 @@ public class CacheStats {
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return hitCount.get();
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}
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public long getPrimaryHitCount() {
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return primaryHitCount.get();
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}
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public long getHitCachingCount() {
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return hitCachingCount.get();
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}
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@ -167,6 +194,10 @@ public class CacheStats {
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return this.evictedBlockCount.get();
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}
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public long getPrimaryEvictedCount() {
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return primaryEvictedBlockCount.get();
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}
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public double getHitRatio() {
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return ((float)getHitCount()/(float)getRequestCount());
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}
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@ -131,7 +131,7 @@ public class CombinedBlockCache implements ResizableBlockCache, HeapSize {
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return lruCache.getBlockCount() + l2Cache.getBlockCount();
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}
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private static class CombinedCacheStats extends CacheStats {
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public static class CombinedCacheStats extends CacheStats {
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private final CacheStats lruCacheStats;
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private final CacheStats bucketCacheStats;
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@ -158,6 +158,11 @@ public class CombinedBlockCache implements ResizableBlockCache, HeapSize {
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return lruCacheStats.getMissCount() + bucketCacheStats.getMissCount();
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}
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@Override
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public long getPrimaryMissCount() {
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return lruCacheStats.getPrimaryMissCount() + bucketCacheStats.getPrimaryMissCount();
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}
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@Override
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public long getMissCachingCount() {
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return lruCacheStats.getMissCachingCount()
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@ -169,6 +174,10 @@ public class CombinedBlockCache implements ResizableBlockCache, HeapSize {
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return lruCacheStats.getHitCount() + bucketCacheStats.getHitCount();
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}
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@Override
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public long getPrimaryHitCount() {
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return lruCacheStats.getPrimaryHitCount() + bucketCacheStats.getPrimaryHitCount();
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}
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@Override
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public long getHitCachingCount() {
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return lruCacheStats.getHitCachingCount()
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@ -187,6 +196,12 @@ public class CombinedBlockCache implements ResizableBlockCache, HeapSize {
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+ bucketCacheStats.getEvictedCount();
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}
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@Override
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public long getPrimaryEvictedCount() {
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return lruCacheStats.getPrimaryEvictedCount()
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+ bucketCacheStats.getPrimaryEvictedCount();
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}
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@Override
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public double getHitRatioPastNPeriods() {
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double ratio = ((double) (lruCacheStats.getSumHitCountsPastNPeriods() + bucketCacheStats
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@ -462,6 +462,10 @@ public class HFile {
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* Return the file context of the HFile this reader belongs to
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*/
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HFileContext getFileContext();
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boolean isPrimaryReplicaReader();
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void setPrimaryReplicaReader(boolean isPrimaryReplicaReader);
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boolean shouldIncludeMemstoreTS();
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@ -87,6 +87,8 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
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/** Filled when we read in the trailer. */
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private final Compression.Algorithm compressAlgo;
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private boolean isPrimaryReplicaReader;
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/**
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* What kind of data block encoding should be used while reading, writing,
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* and handling cache.
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@ -352,7 +354,7 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
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BlockCache blockCache = this.cacheConf.getBlockCache();
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if (blockCache != null && block != null) {
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BlockCacheKey cacheKey = new BlockCacheKey(this.getFileContext().getHFileName(),
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block.getOffset());
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block.getOffset(), this.isPrimaryReplicaReader());
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blockCache.returnBlock(cacheKey, block);
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}
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}
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@ -438,6 +440,16 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
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return trailer;
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}
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@Override
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public boolean isPrimaryReplicaReader() {
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return isPrimaryReplicaReader;
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}
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@Override
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public void setPrimaryReplicaReader(boolean isPrimaryReplicaReader) {
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this.isPrimaryReplicaReader = isPrimaryReplicaReader;
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}
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@Override
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public FileInfo loadFileInfo() throws IOException {
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return fileInfo;
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@ -1374,7 +1386,8 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
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.getRootBlockKey(block)) {
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// Check cache for block. If found return.
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long metaBlockOffset = metaBlockIndexReader.getRootBlockOffset(block);
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BlockCacheKey cacheKey = new BlockCacheKey(name, metaBlockOffset);
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BlockCacheKey cacheKey = new BlockCacheKey(name, metaBlockOffset,
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this.isPrimaryReplicaReader());
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cacheBlock &= cacheConf.shouldCacheDataOnRead();
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if (cacheConf.isBlockCacheEnabled()) {
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@ -1421,7 +1434,8 @@ public class HFileReaderImpl implements HFile.Reader, Configurable {
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// the other choice is to duplicate work (which the cache would prevent you
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// from doing).
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BlockCacheKey cacheKey = new BlockCacheKey(name, dataBlockOffset);
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BlockCacheKey cacheKey = new BlockCacheKey(name, dataBlockOffset,
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this.isPrimaryReplicaReader());
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boolean useLock = false;
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IdLock.Entry lockEntry = null;
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@ -417,7 +417,7 @@ public class LruBlockCache implements ResizableBlockCache, HeapSize {
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boolean updateCacheMetrics) {
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LruCachedBlock cb = map.get(cacheKey);
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if (cb == null) {
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if (!repeat && updateCacheMetrics) stats.miss(caching);
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if (!repeat && updateCacheMetrics) stats.miss(caching, cacheKey.isPrimary());
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// If there is another block cache then try and read there.
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// However if this is a retry ( second time in double checked locking )
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// And it's already a miss then the l2 will also be a miss.
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@ -432,7 +432,7 @@ public class LruBlockCache implements ResizableBlockCache, HeapSize {
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}
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return null;
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}
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if (updateCacheMetrics) stats.hit(caching);
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if (updateCacheMetrics) stats.hit(caching, cacheKey.isPrimary());
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cb.access(count.incrementAndGet());
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return cb.getBuffer();
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}
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@ -495,7 +495,7 @@ public class LruBlockCache implements ResizableBlockCache, HeapSize {
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long size = map.size();
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assertCounterSanity(size, val);
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}
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stats.evicted(block.getCachedTime());
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stats.evicted(block.getCachedTime(), block.getCacheKey().isPrimary());
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if (evictedByEvictionProcess && victimHandler != null) {
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if (victimHandler instanceof BucketCache) {
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boolean wait = getCurrentSize() < acceptableSize();
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@ -149,9 +149,9 @@ public class MemcachedBlockCache implements BlockCache {
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// Update stats if this request doesn't have it turned off 100% of the time
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if (updateCacheMetrics) {
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if (result == null) {
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cacheStats.miss(caching);
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cacheStats.miss(caching, cacheKey.isPrimary());
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} else {
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cacheStats.hit(caching);
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cacheStats.hit(caching, cacheKey.isPrimary());
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}
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}
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}
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@ -404,7 +404,7 @@ public class BucketCache implements BlockCache, HeapSize {
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RAMQueueEntry re = ramCache.get(key);
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if (re != null) {
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if (updateCacheMetrics) {
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cacheStats.hit(caching);
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cacheStats.hit(caching, key.isPrimary());
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}
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re.access(accessCount.incrementAndGet());
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return re.getData();
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@ -426,7 +426,7 @@ public class BucketCache implements BlockCache, HeapSize {
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bucketEntry.deserializerReference(this.deserialiserMap));
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long timeTaken = System.nanoTime() - start;
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if (updateCacheMetrics) {
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cacheStats.hit(caching);
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cacheStats.hit(caching, key.isPrimary());
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cacheStats.ioHit(timeTaken);
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}
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if (cachedBlock.getMemoryType() == MemoryType.SHARED) {
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@ -448,7 +448,7 @@ public class BucketCache implements BlockCache, HeapSize {
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}
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}
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if (!repeat && updateCacheMetrics) {
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cacheStats.miss(caching);
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cacheStats.miss(caching, key.isPrimary());
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}
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return null;
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}
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@ -478,7 +478,7 @@ public class BucketCache implements BlockCache, HeapSize {
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BucketEntry bucketEntry = backingMap.get(cacheKey);
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if (bucketEntry == null) {
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if (removedBlock != null) {
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cacheStats.evicted(0);
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cacheStats.evicted(0, cacheKey.isPrimary());
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return true;
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} else {
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return false;
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@ -500,7 +500,7 @@ public class BucketCache implements BlockCache, HeapSize {
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offsetLock.releaseLockEntry(lockEntry);
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}
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}
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cacheStats.evicted(bucketEntry.getCachedTime());
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cacheStats.evicted(bucketEntry.getCachedTime(), cacheKey.isPrimary());
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return true;
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}
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@ -521,7 +521,7 @@ public class BucketCache implements BlockCache, HeapSize {
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BucketEntry bucketEntry = backingMap.get(cacheKey);
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if (bucketEntry == null) {
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if (removedBlock != null) {
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cacheStats.evicted(0);
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cacheStats.evicted(0, cacheKey.isPrimary());
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return true;
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} else {
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return false;
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@ -561,7 +561,7 @@ public class BucketCache implements BlockCache, HeapSize {
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offsetLock.releaseLockEntry(lockEntry);
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}
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}
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cacheStats.evicted(bucketEntry.getCachedTime());
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cacheStats.evicted(bucketEntry.getCachedTime(), cacheKey.isPrimary());
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return true;
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}
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@ -619,7 +619,8 @@ public class HStore implements Store {
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if (newFiles == null) newFiles = new ArrayList<StoreFileInfo>(0);
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HashMap<StoreFileInfo, StoreFile> currentFilesSet = new HashMap<StoreFileInfo, StoreFile>(currentFiles.size());
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HashMap<StoreFileInfo, StoreFile> currentFilesSet =
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new HashMap<StoreFileInfo, StoreFile>(currentFiles.size());
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for (StoreFile sf : currentFiles) {
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currentFilesSet.put(sf.getFileInfo(), sf);
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}
|
||||
|
@ -667,7 +668,8 @@ public class HStore implements Store {
|
|||
info.setRegionCoprocessorHost(this.region.getCoprocessorHost());
|
||||
StoreFile storeFile = new StoreFile(this.getFileSystem(), info, this.conf, this.cacheConf,
|
||||
this.family.getBloomFilterType());
|
||||
storeFile.createReader();
|
||||
StoreFile.Reader r = storeFile.createReader();
|
||||
r.setReplicaStoreFile(isPrimaryReplicaStore());
|
||||
return storeFile;
|
||||
}
|
||||
|
||||
|
@ -1134,7 +1136,7 @@ public class HStore implements Store {
|
|||
// but now we get them in ascending order, which I think is
|
||||
// actually more correct, since memstore get put at the end.
|
||||
List<StoreFileScanner> sfScanners = StoreFileScanner.getScannersForStoreFiles(storeFilesToScan,
|
||||
cacheBlocks, usePread, isCompaction, false, matcher, readPt);
|
||||
cacheBlocks, usePread, isCompaction, false, matcher, readPt, isPrimaryReplicaStore());
|
||||
List<KeyValueScanner> scanners =
|
||||
new ArrayList<KeyValueScanner>(sfScanners.size()+1);
|
||||
scanners.addAll(sfScanners);
|
||||
|
@ -2280,4 +2282,9 @@ public class HStore implements Store {
|
|||
public double getCompactionPressure() {
|
||||
return storeEngine.getStoreFileManager().getCompactionPressure();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isPrimaryReplicaStore() {
|
||||
return getRegionInfo().getReplicaId() == HRegionInfo.DEFAULT_REPLICA_ID;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -286,6 +286,14 @@ class MetricsRegionServerWrapperImpl
|
|||
return this.cacheStats.getHitCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryHitCount() {
|
||||
if (this.cacheStats == null) {
|
||||
return 0;
|
||||
}
|
||||
return this.cacheStats.getPrimaryHitCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCacheMissCount() {
|
||||
if (this.cacheStats == null) {
|
||||
|
@ -294,6 +302,14 @@ class MetricsRegionServerWrapperImpl
|
|||
return this.cacheStats.getMissCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryMissCount() {
|
||||
if (this.cacheStats == null) {
|
||||
return 0;
|
||||
}
|
||||
return this.cacheStats.getPrimaryMissCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCacheEvictedCount() {
|
||||
if (this.cacheStats == null) {
|
||||
|
@ -302,6 +318,14 @@ class MetricsRegionServerWrapperImpl
|
|||
return this.cacheStats.getEvictedCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryEvictedCount() {
|
||||
if (this.cacheStats == null) {
|
||||
return 0;
|
||||
}
|
||||
return this.cacheStats.getPrimaryEvictedCount();
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getBlockCacheHitPercent() {
|
||||
if (this.cacheStats == null) {
|
||||
|
|
|
@ -105,7 +105,7 @@ public interface Store extends HeapSize, StoreConfigInformation, PropagatingConf
|
|||
byte[] stopRow,
|
||||
long readPt
|
||||
) throws IOException;
|
||||
|
||||
|
||||
ScanInfo getScanInfo();
|
||||
|
||||
/**
|
||||
|
@ -450,4 +450,6 @@ public interface Store extends HeapSize, StoreConfigInformation, PropagatingConf
|
|||
void refreshStoreFiles(Collection<String> newFiles) throws IOException;
|
||||
|
||||
void bulkLoadHFile(StoreFileInfo fileInfo) throws IOException;
|
||||
|
||||
boolean isPrimaryReplicaStore();
|
||||
}
|
||||
|
|
|
@ -1118,6 +1118,13 @@ public class StoreFile {
|
|||
bloomFilterType = BloomType.NONE;
|
||||
}
|
||||
|
||||
public void setReplicaStoreFile(boolean isPrimaryReplicaStoreFile) {
|
||||
reader.setPrimaryReplicaReader(isPrimaryReplicaStoreFile);
|
||||
}
|
||||
public boolean isPrimaryReplicaReader() {
|
||||
return reader.isPrimaryReplicaReader();
|
||||
}
|
||||
|
||||
/**
|
||||
* ONLY USE DEFAULT CONSTRUCTOR FOR UNIT TESTS
|
||||
*/
|
||||
|
|
|
@ -78,6 +78,10 @@ public class StoreFileScanner implements KeyValueScanner {
|
|||
this.hasMVCCInfo = hasMVCC;
|
||||
}
|
||||
|
||||
boolean isPrimaryReplica() {
|
||||
return reader.isPrimaryReplicaReader();
|
||||
}
|
||||
|
||||
/**
|
||||
* Return an array of scanners corresponding to the given
|
||||
* set of store files.
|
||||
|
@ -108,11 +112,12 @@ public class StoreFileScanner implements KeyValueScanner {
|
|||
public static List<StoreFileScanner> getScannersForStoreFiles(
|
||||
Collection<StoreFile> files, boolean cacheBlocks, boolean usePread,
|
||||
boolean isCompaction, boolean canUseDrop,
|
||||
ScanQueryMatcher matcher, long readPt) throws IOException {
|
||||
ScanQueryMatcher matcher, long readPt, boolean isPrimaryReplica) throws IOException {
|
||||
List<StoreFileScanner> scanners = new ArrayList<StoreFileScanner>(
|
||||
files.size());
|
||||
for (StoreFile file : files) {
|
||||
StoreFile.Reader r = file.createReader(canUseDrop);
|
||||
r.setReplicaStoreFile(isPrimaryReplica);
|
||||
StoreFileScanner scanner = r.getStoreFileScanner(cacheBlocks, usePread,
|
||||
isCompaction, readPt);
|
||||
scanner.setScanQueryMatcher(matcher);
|
||||
|
@ -121,6 +126,14 @@ public class StoreFileScanner implements KeyValueScanner {
|
|||
return scanners;
|
||||
}
|
||||
|
||||
public static List<StoreFileScanner> getScannersForStoreFiles(
|
||||
Collection<StoreFile> files, boolean cacheBlocks, boolean usePread,
|
||||
boolean isCompaction, boolean canUseDrop,
|
||||
ScanQueryMatcher matcher, long readPt) throws IOException {
|
||||
return getScannersForStoreFiles(files, cacheBlocks, usePread, isCompaction, canUseDrop,
|
||||
matcher, readPt, true);
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
return "StoreFileScanner[" + hfs.toString() + ", cur=" + cur + "]";
|
||||
}
|
||||
|
|
|
@ -619,18 +619,18 @@ public class TestLruBlockCache {
|
|||
// should be (2/4)=0.5 and (1/1)=1
|
||||
stats.hit(false);
|
||||
stats.hit(true);
|
||||
stats.miss(false);
|
||||
stats.miss(false);
|
||||
stats.miss(false, false);
|
||||
stats.miss(false, false);
|
||||
stats.rollMetricsPeriod();
|
||||
assertEquals(0.5, stats.getHitRatioPastNPeriods(), delta);
|
||||
assertEquals(1.0, stats.getHitCachingRatioPastNPeriods(), delta);
|
||||
|
||||
// period 2, 1 miss caching, 3 miss non-caching
|
||||
// should be (2/8)=0.25 and (1/2)=0.5
|
||||
stats.miss(true);
|
||||
stats.miss(false);
|
||||
stats.miss(false);
|
||||
stats.miss(false);
|
||||
stats.miss(true, false);
|
||||
stats.miss(false, false);
|
||||
stats.miss(false, false);
|
||||
stats.miss(false, false);
|
||||
stats.rollMetricsPeriod();
|
||||
assertEquals(0.25, stats.getHitRatioPastNPeriods(), delta);
|
||||
assertEquals(0.5, stats.getHitCachingRatioPastNPeriods(), delta);
|
||||
|
@ -647,16 +647,16 @@ public class TestLruBlockCache {
|
|||
|
||||
// period 4, evict period 1, two caching misses
|
||||
// should be (4/10)=0.4 and (2/5)=0.4
|
||||
stats.miss(true);
|
||||
stats.miss(true);
|
||||
stats.miss(true, false);
|
||||
stats.miss(true, false);
|
||||
stats.rollMetricsPeriod();
|
||||
assertEquals(0.4, stats.getHitRatioPastNPeriods(), delta);
|
||||
assertEquals(0.4, stats.getHitCachingRatioPastNPeriods(), delta);
|
||||
|
||||
// period 5, evict period 2, 2 caching misses, 2 non-caching hit
|
||||
// should be (6/10)=0.6 and (2/6)=1/3
|
||||
stats.miss(true);
|
||||
stats.miss(true);
|
||||
stats.miss(true, false);
|
||||
stats.miss(true, false);
|
||||
stats.hit(false);
|
||||
stats.hit(false);
|
||||
stats.rollMetricsPeriod();
|
||||
|
@ -683,8 +683,8 @@ public class TestLruBlockCache {
|
|||
|
||||
// period 9, one of each
|
||||
// should be (2/4)=0.5 and (1/2)=0.5
|
||||
stats.miss(true);
|
||||
stats.miss(false);
|
||||
stats.miss(true, false);
|
||||
stats.miss(false, false);
|
||||
stats.hit(true);
|
||||
stats.hit(false);
|
||||
stats.rollMetricsPeriod();
|
||||
|
|
|
@ -175,16 +175,31 @@ public class MetricsRegionServerWrapperStub implements MetricsRegionServerWrappe
|
|||
return 416;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryHitCount() {
|
||||
return 422;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCacheMissCount() {
|
||||
return 417;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryMissCount() {
|
||||
return 421;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCacheEvictedCount() {
|
||||
return 418;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getBlockCachePrimaryEvictedCount() {
|
||||
return 420;
|
||||
}
|
||||
|
||||
@Override
|
||||
public double getBlockCacheHitPercent() {
|
||||
return 98;
|
||||
|
|
|
@ -524,13 +524,13 @@ public class TestHeapMemoryManager {
|
|||
|
||||
@Override
|
||||
public boolean evictBlock(BlockCacheKey cacheKey) {
|
||||
stats.evicted(0);
|
||||
stats.evicted(0, cacheKey != null ? cacheKey.isPrimary() : true);
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int evictBlocksByHfileName(String hfileName) {
|
||||
stats.evicted(0); // Just assuming only one block for file here.
|
||||
stats.evicted(0, true); // Just assuming only one block for file here.
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue