该文件系统的基础格式建立在单一的 B+ 树的基础之上，这使得搜索的效率和可伸缩性增强。
The fundamental format of the file system is based on a single B+ tree, which makes search operations efficient and very scalable.
该特性支持B -树索引和功能性索引。
This feature supports B-tree indexes and functional indexes.
JFS2还使用了B +树，以便更快地查找目录和管理分区描述符。
JFS2 also makes use of B + trees for fast directory lookups as well as managing extent descriptors.
应用推荐