this.metadata = metadata;
this.minCompactionThreshold = new DefaultInteger(metadata.getMinCompactionThreshold());
this.maxCompactionThreshold = new DefaultInteger(metadata.getMaxCompactionThreshold());
this.partitioner = partitioner;
this.directories = directories;
this.indexManager = new SecondaryIndexManager(this);
this.metric = new ColumnFamilyMetrics(this);
fileIndexGenerator.set(generation);
Caching caching = metadata.getCaching();