From announce-return-5041-archive-asf-public=cust-asf.ponee.io@apache.org Sat Feb 2 03:01:43 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 7B6F2180627 for ; Sat, 2 Feb 2019 04:01:42 +0100 (CET) Received: (qmail 91508 invoked by uid 500); 2 Feb 2019 03:01:34 -0000 Mailing-List: contact announce-help@apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list announce@apache.org Delivered-To: moderator for announce@apache.org Received: (qmail 47260 invoked by uid 99); 2 Feb 2019 00:49:09 -0000 X-Gm-Message-State: AJcUukctWBVlWkyyZXTVU/IzedXbwLNlWgVBeO6UF/o+yEnmmr6QMPH2 oSg8A9AcFLAHK4ZmM2d2B80dgQ9BhS6xXPawYVM= X-Google-Smtp-Source: ALg8bN66snQNhC0BnR5mARPpc0Mw9WGBQWVIBpCOxloOBQTmLgXFD4njvqBiZgNOOYzAOsbJayE9vt1mfF3zYRPa6RI= X-Received: by 2002:adf:f550:: with SMTP id j16mr39987935wrp.258.1549068547681; Fri, 01 Feb 2019 16:49:07 -0800 (PST) MIME-Version: 1.0 From: Sijie Guo Date: Sat, 2 Feb 2019 08:48:56 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: [ANNOUNCE] Apache BookKeeper 4.9.0 released To: dev@bookkeeper.apache.org, user , announce@apache.org Cc: Dev , users@pulsar.apache.org Content-Type: multipart/alternative; boundary="0000000000008477b80580dea0de" --0000000000008477b80580dea0de Content-Type: text/plain; charset="UTF-8" The Apache BookKeeper team is proud to announce Apache BookKeeper version 4.9.0. Apache BookKeeper is a scalable, fault-tolerant, and low-latency storage service optimized for real-time workloads. It has been used for a fundamental service to build reliable services. It is also the log segment store for Apache DistributedLog and the message store for Apache Pulsar. This is the 16th release of the Apache BookKeeper. The 4.9.0 release incorporates hundreds of bug fixes, improvements, and features since previous major release, 4.8.0, which was released four months ago. It is a new milestone in Apache BookKeeper community. There are a few big changes around metadata management, such as refactoring ledger metatadata in ledger handle to make it immutable, storing ledger metadata in binary format and a new metadata driver implementation based on Etcd. Additionally, there are huge improvements around memory management, tooling, and documentation. For BookKeeper release details and downloads, visit: http://bookkeeper.apache.org/releases/ BookKeeper 4.9.0 Release Notes are at: http://bookkeeper.apache.org/docs/4.9.0/overview/releaseNotes/ We would like to thank the contributors that made the release possible. Regards, The BookKeeper Team --0000000000008477b80580dea0de Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The Apache BookKeeper team is proud = to announce Apache BookKeeper version
4.9.0.

=
Apache BookKeeper is a scalable, fault-tolerant, and low-latency stora= ge service optimized for
real-time workloads. It has been used fo= r a fundamental service to build reliable services.
It is also th= e log segment store for Apache DistributedLog and the message store for Apa= che Pulsar.

This is the 16th release of the Apache= BookKeeper.

The 4.9.0 release incorporates hundre= ds of bug fixes, improvements,
and features since previous major = release, 4.8.0, which was released four months ago.
It is a new m= ilestone in Apache BookKeeper community.

There are= a few big changes around metadata management, such as refactoring ledger m= etatadata
in ledger handle to make it immutable, storing ledger m= etadata in binary format and a new metadata
driver implementation= based on Etcd. Additionally, there are huge improvements around memory
management, tooling, and documentation.

For= BookKeeper release details and downloads, visit:


BookKeeper 4.9.0 Release Notes = are at:


We would like to thank th= e contributors that made the release possible.

Reg= ards,

The BookKeeper Team
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