public RocksDbTableDescriptor<K, V> withNumLogFilesToKeep(int numLogFilesToKeep) {
    this.numLogFilesToKeep = numLogFilesToKeep;
    return this;
  }
The number of RocksDB LOG files (including rotated LOG.old.* files) to keep.
<p>
Default value is 2.
<p>
Refer to <code>stores.store-name.rocksdb.keep.log.file.num</code> in Samza configuration guide

@param numLogFilesToKeep the number of log files to keep
@return this table descriptor instance
samza-kv-rocksdb/src/main/java/org/apache/samza/storage/kv/descriptors/RocksDbTableDescriptor.java