Apache BookKeeper 4.8.1 发布,低延迟的存储系统

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Apache BookKeeper 是一个针对实时工作负载优化的可扩展、高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。

Apache BookKeeper 4.8.1 已发布,更新亮点:

  • Use default metrics registry in Prometheus exporter

  • Don’t cache Bookie hostname DNS resolution forever

  • Reduce stack traces in logs for common cases

  • Ledger deletion racing with flush can cause a ledger index to be resurrected

  • EntryMemTable.newEntry retains reference to passed ByteBuffer array, can cause corruption on journal replay

具体更新细节可查阅:

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