1. [n.d.]. Alternate Hash Table for NameNode Memory Optimization. https://issues.apache.org/jira/browse/HDFS-1114. [n.d.]. Alternate Hash Table for NameNode Memory Optimization. https://issues.apache.org/jira/browse/HDFS-1114.
2. [n.d.]. Apache HBase. https://hbase.apache.org. [n.d.]. Apache HBase. https://hbase.apache.org.
3. [n.d.]. Apache Ignite. https://ignite.apache.org. [n.d.]. Apache Ignite. https://ignite.apache.org.
4. [n.d.]. ByteDance NNProxy. https://github.com/bytedance/nnproxy. [n.d.]. ByteDance NNProxy. https://github.com/bytedance/nnproxy.
5. [n.d.]. HDFS Federation. https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/Federation.html. [n.d.]. HDFS Federation. https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/Federation.html.