Github user keith-turner commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/256#discussion_r115350017
--- Diff:
server/tserver/src/main/java/org/apache/accumulo/tserver/TabletServerResourceManager.java
---
@@ -175,19 +176,27 @@ public TabletServerResourceManager(TabletServer
tserver, VolumeManager fs) {
long sCacheSize = acuConf.getAsBytes(Property.TSERV_SUMMARYCACHE_SIZE);
long totalQueueSize =
acuConf.getAsBytes(Property.TSERV_TOTAL_MUTATION_QUEUE_MAX);
- String policy = acuConf.get(Property.TSERV_CACHE_POLICY);
- if (policy.equalsIgnoreCase("LRU")) {
- _iCache = new LruBlockCache(iCacheSize, blockSize);
- _dCache = new LruBlockCache(dCacheSize, blockSize);
- _sCache = new LruBlockCache(sCacheSize, blockSize);
- } else if (policy.equalsIgnoreCase("TinyLFU")) {
- _iCache = new TinyLfuBlockCache(iCacheSize, blockSize);
- _dCache = new TinyLfuBlockCache(dCacheSize, blockSize);
- _sCache = new TinyLfuBlockCache(sCacheSize, blockSize);
- } else {
- throw new IllegalArgumentException("Unknown Block cache policy " +
policy);
+ BlockCacheFactory factory;
+ try {
+ factory = BlockCacheFactory.getBlockCacheFactory(acuConf);
+ } catch (Exception e) {
+ throw new RuntimeException("Error creating Block Cache Factory", e);
}
+ ConfigurationCopy copy = new ConfigurationCopy(acuConf);
+ copy.set(BlockCacheConfiguration.BLOCK_SIZE_PROPERTY,
Long.toString(blockSize));
+ copy.set(BlockCacheConfiguration.MAX_SIZE_PROPERTY,
Long.toString(iCacheSize));
--- End diff --
This behavior is kind of tricky. What if these properties were already set
in acuConf, what should the behavior be? The javadoc for BlockCacheFactory
would need to mention this behavior.
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