HBase团队很高兴宣布HBase立即可用2.5.0.
Apache HBase™ 是一个开源、分布式、版本化、非关系的数据库
Apache HBase为您提供了对数十亿行的低延迟随机访问
非专用硬件上的数百万列。了解更多关于HBase，看见https://hbase.apache.org/.
HBase 2.5.0是HBase 2.x系列中的第六个次要版本，旨在提高HBase的稳定性和可靠性。此版本包括近
300个解决了以前的2.x版本未涵盖的问题。
值得注意的新功能包括：
1、堆内和堆外数据路径的若干性能改进
2、拆分与合并的若干可靠性和性能改进
3、几项compaction（压缩）改进
4、基于OpenTelemetry的跟踪检修（OpenTelemetry参考 https://zhuanlan.zhihu.com/p/361652744）
5、主UI上的区域大小分布可视化
6、在区域服务器UI中显示慢/大请求的详细信息
7、HBase shell的若干改进，以及JDK11+对jshell的支持
8、将元区域位置的存储移出ZooKeeper
The HBase team is happy to announce the immediate availability of HBase
2.5.0.
Apache HBase™ is an open-source, distributed, versioned, non-relational
database.
Apache HBase gives you low latency random access to billions of rows with
millions of columns atop non-specialized hardware. To learn more about
HBase,
see https://hbase.apache.org/.
HBase 2.5.0 is the sixth minor release in the HBase 2.x line, which aims to
improve the stability and reliability of HBase. This release includes nearly
300 resolved issues not covered by previous 2.x releases.
Notable new features include:
* Several performance improvements to the on-heap and off-heap data path
* Several reliability and performance improvements to splitting and merging
* Several compaction improvements
* Overhaul of tracing based on OpenTelemetry
* A region size distribution visualization on the Master UI
* Expose the details of slow/large requests in Region Server UI
* Several improvements to the HBase shell, and jshell support with JDK11+
* Moved storage of meta region location out of ZooKeeper