Apache BookKeeper 4.7.3 釋出了，這是當前的穩定版本。

BookKeeper 是一個針對實時工作負載優化的可擴充套件、容錯和低延遲的儲存服務，已作為基礎儲存服務被用於構建各種可靠的服務，同時也是 Apache DistributedLog 的日誌段儲存和 Apache Pulsar 的訊息儲存。

主要更新亮點如下：

• 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

詳情檢視釋出公告。

下載地址：http://bookkeeper.apache.org/releases/