Package org.apache.cassandra.cache

Examples of org.apache.cassandra.cache.KeyCacheKey

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            || keyCache.getCapacity() == 0)
        {
            return;
        }

        KeyCacheKey cacheKey = new KeyCacheKey(descriptor, key.key);
        logger.trace("Adding cache entry for {} -> {}", cacheKey, info);
        keyCache.put(cacheKey, info);
    }
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        keyCache.put(cacheKey, info);
    }

    public RowIndexEntry getCachedPosition(DecoratedKey key, boolean updateStats)
    {
        return getCachedPosition(new KeyCacheKey(descriptor, key.key), updateStats);
    }
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        // next, the key cache (only make sense for valid row key)
        if ((op == Operator.EQ || op == Operator.GE) && (key instanceof DecoratedKey))
        {
            DecoratedKey decoratedKey = (DecoratedKey)key;
            KeyCacheKey cacheKey = new KeyCacheKey(descriptor, decoratedKey.key);
            RowIndexEntry cachedPosition = getCachedPosition(cacheKey, updateCacheAndStats);
            if (cachedPosition != null)
            {
                logger.trace("Cache hit for {} -> {}", cacheKey, cachedPosition);
                Tracing.trace("Key cache hit for sstable {}", descriptor.generation);
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        // next, the key cache (only make sense for valid row key)
        if ((op == Operator.EQ || op == Operator.GE) && (key instanceof DecoratedKey))
        {
            DecoratedKey decoratedKey = (DecoratedKey)key;
            KeyCacheKey cacheKey = new KeyCacheKey(metadata.cfId, descriptor, decoratedKey.getKey());
            RowIndexEntry cachedPosition = getCachedPosition(cacheKey, updateCacheAndStats);
            if (cachedPosition != null)
            {
                Tracing.trace("Key cache hit for sstable {}", descriptor.generation);
                return cachedPosition;
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        return positions;
    }

    public void invalidateCacheKey(DecoratedKey key)
    {
        KeyCacheKey cacheKey = new KeyCacheKey(metadata.cfId, descriptor, key.getKey());
        keyCache.remove(cacheKey);
    }
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                || keyCache.getCapacity() == 0)
        {
            return;
        }

        KeyCacheKey cacheKey = new KeyCacheKey(metadata.cfId, descriptor, key.getKey());
        logger.trace("Adding cache entry for {} -> {}", cacheKey, info);
        keyCache.put(cacheKey, info);
    }
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        keyCache.put(cacheKey, info);
    }

    public RowIndexEntry getCachedPosition(DecoratedKey key, boolean updateStats)
    {
        return getCachedPosition(new KeyCacheKey(metadata.cfId, descriptor, key.getKey()), updateStats);
    }
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                || caching == CFMetaData.Caching.ROWS_ONLY
                || keyCache.getCapacity() == 0)
            return;

        // avoid keeping a permanent reference to the original key buffer
        KeyCacheKey cacheKey = new KeyCacheKey(descriptor, ByteBufferUtil.clone(key.key));
        logger.trace("Adding cache entry for {} -> {}", cacheKey, info);
        keyCache.put(cacheKey, info);
    }
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        keyCache.put(cacheKey, info);
    }

    public Long getCachedPosition(DecoratedKey key, boolean updateStats)
    {
        return getCachedPosition(new KeyCacheKey(descriptor, key.key), updateStats);
    }
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        // next, the key cache (only make sense for valid row key)
        if ((op == Operator.EQ || op == Operator.GE) && (key instanceof DecoratedKey))
        {
            DecoratedKey decoratedKey = (DecoratedKey)key;
            KeyCacheKey cacheKey = new KeyCacheKey(descriptor, decoratedKey.key);
            Long cachedPosition = getCachedPosition(cacheKey, updateCacheAndStats);
            if (cachedPosition != null)
            {
                logger.trace("Cache hit for {} -> {}", cacheKey, cachedPosition);
                return cachedPosition;
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Related Classes of org.apache.cassandra.cache.KeyCacheKey

  • org.apache.cassandra.io.sstable.format.big.BigTableReader
  • org.apache.cassandra.io.sstable.format.SSTableReader
  • org.apache.cassandra.io.sstable.SSTableReader
  • org.apache.cassandra.io.sstable.SSTableReaderTest
  • java.nio.ByteBuffer
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