Apache Accumulo 1.8.0 发布，K/V 存储方案
欢迎加入运维网交流群：263444886 http://onexin.iyunv.com/source/plugin/onexin_bigdata/https://my.oschina.net/img/hot3.pngApache Accumulo 1.8.0 发布了，Apache Accumulo 是一个可靠的、可伸缩的、高性能的排序分布式的 Key-Value 存储解决方案，基于单元访问控制以及可定制的服务器端处理。使用 Google BigTable 设计思路，基于 Apache Hadoop、Zookeeper 和 Thrift 构建。
主要改进：
[*] Speed up WAL roll overs
[*] User level API for RFile
[*] Suspend Tablet assignment for rolling restarts
[*] Run multiple Tablet Servers on one node
[*] Rate limiting Major Compactions
[*] Table Sampling
[*] Default port for Monitor changed to 9995
其他改进：
[*]
ACCUMULO-1055 Configurable maximum file>
[*] ACCUMULO-1124 Optimization of RFile index
[*] ACCUMULO-2883 API to fetch current tablet assignments
[*] ACCUMULO-3871 Support for running integration tests in MapReduce
[*]
ACCUMULO-3920 Deprecate the MockAccumulo>
[*] ACCUMULO-4339 Make hadoop-minicluster optional dependency of acccumulo-minicluster
[*] ACCUMULO-4318 BatchWriter, ConditionalWriter, and ScannerBase now extend AutoCloseable
[*] ACCUMULO-4326 Value constructor now accepts Strings (and Charsequences)
[*] ACCUMULO-4354 Bump dependency versions to include gson, jetty, and sl4j
[*] ACCUMULO-3735 Bulk Import status page on the monitor
[*] ACCUMULO-4066 Reduced time to processes conditional mutations.
[*] ACCUMULO-4164 Reduced seek time for cached data
下载地址：https://accumulo.apache.org/downloads/
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