Repository: kudu-site Updated Branches: refs/heads/asf-site 97e6859a5 -> 923c4eb42
http://git-wip-us.apache.org/repos/asf/kudu-site/blob/923c4eb4/feed.xml ---------------------------------------------------------------------- diff --git a/feed.xml b/feed.xml index 1ca564a..8a817b9 100644 --- a/feed.xml +++ b/feed.xml @@ -1,4 +1,41 @@ -<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom";><generator uri="http://jekyllrb.com"; version="2.5.3">Jekyll</generator><link href="/feed.xml" rel="self" type="application/atom+xml" /><link href="/" rel="alternate" type="text/html" /><updated>2016-09-19T20:51:37-07:00</updated><id>/</id><entry><title>Pushing Down Predicate Evaluation in Apache Kudu</title><link href="/2016/09/16/predicate-pushdown.html" rel="alternate" type="text/html" title="Pushing Down Predicate Evaluation in Apache Kudu" /><published>2016-09-16T00:00:00-07:00</published><updated>2016-09-16T00:00:00-07:00</updated><id>/2016/09/16/predicate-pushdown</id><content type="html" xml:base="/2016/09/16/predicate-pushdown.html"><p>I had the pleasure of interning with the Apache Kudu team at Cloudera this +<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom";><generator uri="http://jekyllrb.com"; version="2.5.3">Jekyll</generator><link href="/feed.xml" rel="self" type="application/atom+xml" /><link href="/" rel="alternate" type="text/html" /><updated>2016-09-20T10:22:39-07:00</updated><id>/</id><entry><title>Apache Kudu 1.0.0 released</title><link href="/2016/09/20/apache-kudu-1-0-0-released.html" rel="alternate" type="text/html" title="Apache Kudu 1.0.0 released" /><published>2016-09-20T00:00:00-07:00</published><updated>2016-09-20T00:00:00-07:00</updated><id>/2016/09/20/apache-kudu-1-0-0-released</id><content type="html" xml:base="/2016/09/20/apache-kudu-1-0-0-released.html"><p>The Apache Kudu team is happy to announce the release of Kudu 1.0.0!</p> + +<p>This latest version adds several new features, including:</p> + +<!--more--> + +<ul> + <li> + <p>Removal of multiversion concurrency control (MVCC) history is now supported. +This allows Kudu to reclaim disk space, where previously Kudu would keep a full +history of all changes made to a given table since the beginning of time.</p> + </li> + <li> + <p>Most of Kuduâs command line tools have been consolidated under a new +top-level <code>kudu</code> tool. This reduces the number of large binaries distributed +with Kudu and also includes much-improved help output.</p> + </li> + <li> + <p>Administrative tools including <code>kudu cluster ksck</code> now support running +against multi-master Kudu clusters.</p> + </li> + <li> + <p>The C++ client API now supports writing data in <code>AUTO_FLUSH_BACKGROUND</code> mode. +This can provide higher throughput for ingest workloads.</p> + </li> +</ul> + +<p>This release also includes many bug fixes, optimizations, and other +improvements, detailed in the <a href="/releases/1.0.0/docs/release_notes.html">release notes</a>.</p> + +<ul> + <li>Download the <a href="/releases/1.0.0/">Kudu 1.0.0 source release</a></li> + <li>Convenience binary artifacts for the Java client and various Java +integrations (eg Spark, Flume) are also now available via the ASF Maven +repository.</li> +</ul></content><author><name>Todd Lipcon</name></author><summary>The Apache Kudu team is happy to announce the release of Kudu 1.0.0! + +This latest version adds several new features, including:</summary></entry><entry><title>Pushing Down Predicate Evaluation in Apache Kudu</title><link href="/2016/09/16/predicate-pushdown.html" rel="alternate" type="text/html" title="Pushing Down Predicate Evaluation in Apache Kudu" /><published>2016-09-16T00:00:00-07:00</published><updated>2016-09-16T00:00:00-07:00</updated><id>/2016/09/16/predicate-pushdown</id><content type="html" xml:base="/2016/09/16/predicate-pushdown.html"><p>I had the pleasure of interning with the Apache Kudu team at Cloudera this summer. This project was my summer contribution to Kudu: a restructuring of the scan path to speed up queries.</p> @@ -1208,72 +1245,4 @@ release. Accordingly, the version number in the master branch has been changed b tweet at <a href="https://twitter.com/ApacheKudu">@ApacheKudu</a>. Similarly, if youâre aware of some Kudu news we missed, let us know so we can cover it in a future post.</p></content><author><name>Todd Lipcon</name></author><summary>Welcome to the seventeenth edition of the Kudu Weekly Update. This weekly blog post -covers ongoing development and news in the Apache Kudu (incubating) project.</summary></entry><entry><title>Apache Kudu (incubating) Weekly Update July 11, 2016</title><link href="/2016/07/11/weekly-update.html" rel="alternate" type="text/html" title="Apache Kudu (incubating) Weekly Update July 11, 2016" /><published>2016-07-11T00:00:00-07:00</published><updated>2016-07-11T00:00:00-07:00</updated><id>/2016/07/11/weekly-update</id><content type="html" xml:base="/2016/07/11/weekly-update.html"><p>Welcome to the sixteenth edition of the Kudu Weekly Update. This weekly blog post -covers ongoing development and news in the Apache Kudu (incubating) project.</p> - -<!--more--> - -<h2 id="development-discussions-and-code-in-progress">Development discussions and code in progress</h2> - -<ul> - <li> - <p>Todd Lipcon <a href="https://gerrit.cloudera.org/#/c/3517/">changed the default</a> -bloom filter false positive (FP) ratio from 1% to 0.01%. The original value -wasnât scientifically chosen, but testing with billions of rows on a 5 -node cluster showed a 2x insert throughput improvement at the cost of -some more disk space.</p> - </li> - <li> - <p>J-D Cryans has been fixing some recently introduced bugs in the Java client. -For example, see <a href="https://gerrit.cloudera.org/#/c/3541/">this patch</a> and -<a href="https://gerrit.cloudera.org/#/c/3586/">that one</a>. Testability is a major -concern right now in the Java client since triggering those issues requires -a lot of time and data.</p> - </li> - <li> - <p>Dan Burkert has been making progress on the non-convering range partitioned -tables front. The Java client <a href="https://gerrit.cloudera.org/#/c/3388/">now supports</a> -such tables and Dan is currently implementing new functionality to add and remove -tablets via simple APIs.</p> - </li> - <li> - <p>David Alves is also making a lot of progress on the replay cache, this new component -on the server-side which makes it possible for tablets to identify client write -operations and enable exactly-once semantics. The main patch is up for review -<a href="https://gerrit.cloudera.org/#/c/3449/">here</a>.</p> - </li> - <li> - <p>Adar Dembo is working on addressing multi-master issues, as he explained in this -<a href="http://kudu.apache.org/2016/06/24/multi-master-1-0-0.html">blog post</a>. He just put -up for review patches that enable tablet servers to heartbeat to all masters. Part -one is <a href="https://gerrit.cloudera.org/#/c/3609/">available here</a>.</p> - </li> - <li> - <p>Misty prepared a document with J-D that contains instructions on how to release a -new Kudu version. It is <a href="https://gerrit.cloudera.org/#/c/3614/">up for review here</a> -if you are curious or want to learn more about this process.</p> - </li> -</ul> - -<h2 id="project-news">Project news</h2> - -<ul> - <li> - <p>The <a href="https://s.apache.org/l6Tw">vote</a> to graduate Kudu from the ASFâs Incubator passed! -The next step is for the ASF Board to vote on the resolution at their next meeting.</p> - </li> - <li> - <p>Thereâs <a href="http://mail-archives.apache.org/mod_mbox/incubator-kudu-dev/201607.mbox/%3CCAGpTDNesxH43C-Yt5fNwpEpAxfb2P62Xpdi8AqT8jfvjeqnu0w%40mail.gmail.com%3E">a discussion</a> -on the dev mailing list about having an intermediate release, called 0.10.0, before 1.0.0. -The current issue is that the version in the code is current â1.0.0-SNAPSHOTâ which doesnât -leave room for another other release, but the bigger issue is that code is still churning a -lot which doesnât make for a stable 1.0 release.</p> - </li> -</ul> - -<p>Want to learn more about a specific topic from this blog post? Shoot an email to the -<a href="&#109;&#097;&#105;&#108;&#116;&#111;:&#117;&#115;&#101;&#114;&#064;&#107;&#117;&#100;&#117;&#046;&#105;&#110;&#099;&#117;&#098;&#097;&#116;&#111;&#114;&#046;&#097;&#112;&#097;&#099;&#104;&#101;&#046;&#111;&#114;&#103;">kudu-user mailing list</a> or -tweet at <a href="https://twitter.com/ApacheKudu">@ApacheKudu</a>. Similarly, if youâre -aware of some Kudu news we missed, let us know so we can cover it in -a future post.</p></content><author><name>Jean-Daniel Cryans</name></author><summary>Welcome to the sixteenth edition of the Kudu Weekly Update. This weekly blog post covers ongoing development and news in the Apache Kudu (incubating) project.</summary></entry></feed>
