How to use

HarFileSystem$LruCache

in

org.apache.hadoop.fs

private synchronized void initializeMetadataCache(Configuration conf) {
 if (harMetaCache == null) {
  int cacheSize = conf.getInt(METADATA_CACHE_ENTRIES_KEY, METADATA_CACHE_ENTRIES_DEFAULT);
  harMetaCache = Collections.synchronizedMap(new LruCache<URI, HarMetaData>(cacheSize));
 }
}

private synchronized void initializeMetadataCache(Configuration conf) {
 if (harMetaCache == null) {
  int cacheSize = conf.getInt(METADATA_CACHE_ENTRIES_KEY, METADATA_CACHE_ENTRIES_DEFAULT);
  harMetaCache = Collections.synchronizedMap(new LruCache<URI, HarMetaData>(cacheSize));
 }
}

private synchronized void initializeMetadataCache(Configuration conf) {
 if (harMetaCache == null) {
  int cacheSize = conf.getInt(METADATA_CACHE_ENTRIES_KEY, METADATA_CACHE_ENTRIES_DEFAULT);
  harMetaCache = Collections.synchronizedMap(new LruCache<URI, HarMetaData>(cacheSize));
 }
}

 @Override
 protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
   return size() > MAX_ENTRIES;
 }
}

 @Override
 protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
   return size() > MAX_ENTRIES;
 }
}

private synchronized void initializeMetadataCache(Configuration conf) {
 if (harMetaCache == null) {
  int cacheSize = conf.getInt(METADATA_CACHE_ENTRIES_KEY, METADATA_CACHE_ENTRIES_DEFAULT);
  harMetaCache = Collections.synchronizedMap(new LruCache<URI, HarMetaData>(cacheSize));
 }
}

 @Override
 protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
   return size() > MAX_ENTRIES;
 }
}

 @Override
 protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
   return size() > MAX_ENTRIES;
 }
}

private synchronized void initializeMetadataCache(Configuration conf) {
 if (harMetaCache == null) {
  int cacheSize = conf.getInt(METADATA_CACHE_ENTRIES_KEY, METADATA_CACHE_ENTRIES_DEFAULT);
  harMetaCache = Collections.synchronizedMap(new LruCache<URI, HarMetaData>(cacheSize));
 }
}

 @Override
 protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
   return size() > MAX_ENTRIES;
 }
}