Apache BookKeeper 4.7.3 发布，实时存储服务

  

Apache BookKeeper 4.7.3 发布了，这是当前的稳定版本。

BookKeeper 是一个针对实时工作负载优化的可扩展、容错和低延迟的存储服务，已作为基础存储服务被用于构建各种可靠的服务，同时也是 Apache DistributedLog 的日志段存储和 Apache Pulsar 的消息存储。

主要更新亮点如下：

• Cancel Scheduled SpeculativeReads, see apache/bookkeeper#1665

• IllegalReferenceCountException at closing EntryLogManagerForSingleEntryLog, see apache/bookkeeper#1703

• EntryMemTable.newEntry retains reference to passed ByteBuffer array can cause corruption on journal replay, see apache/bookkeeper#1737

• Ledger deletion racing with flush can cause a ledger index to be resurrected, see apache/bookkeeper#1757

• Don’t cache Bookie hostname DNS resolution forever, see apache/bookkeeper#1762

• Use default metric registry in Prometheus export, see apache/bookkeeper#1765

• Fix Auth with v2 protocol, see apache/bookkeeper#1805

• Remove MathUtils.now to address compaction scheduling deplay issues, see apache/bookkeeper#1837

• DbLedgerStorage should do periodical flush, see apache/bookkeeper#1843

详情查看发布公告。

下载地址：http://bookkeeper.apache.org/releases/