[GitHub] [arrow-site] andygrove commented on a diff in pull request #257: [WEBSITE] Ballista 0.9.0 Blog Post

[GitBox <gi...@apache.org>]

andygrove commented on code in PR #257:
URL: https://github.com/apache/arrow-site/pull/257#discussion_r1008728648


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_posts/2022-10-28-ballista-0.9.0.md:
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+---
+layout: post
+title: Apache Arrow Ballista 0.9.0 Release
+date: "2022-10-28 00:00:00"
+author: pmc
+categories: [release]
+---
+
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+
+# Introduction
+
+[Ballista][ballista] is an Arrow-native distributed SQL query engine implemented in Rust.
+
+Ballista 0.9.0 is now available and is the most significant release since the project was [donated][donated] to Apache
+Arrow in 2021.
+
+This release represents 4 weeks of work, with 66 commits from 14 contributors:
+
+```
+    22  Andy Grove
+    12  yahoNanJing
+     6  Daniël Heres
+     4  Brent Gardner
+     4  dependabot[bot]
+     4  r.4ntix
+     3  Stefan Stanciulescu
+     3  mingmwang
+     2  Ken Suenobu
+     2  Yang Jiang
+     1  Metehan Yıldırım
+     1  Trent Feda
+     1  askoa
+     1  yangzhong
+```
+
+## Release Highlights
+
+The release notes below are not exhaustive and only expose selected highlights of the release. Many other bug fixes
+and improvements have been made: we refer you to the [complete changelog][changelog].
+
+### Support for Cloud Object Stores and Distributed File Systems
+
+This is the first release of Ballista to have documented support for querying data from distributed file systems and
+object stores. Currently, S3 and HDFS are supported. Support for Google Cloud Storage and Azure Blob Storage is planned
+for the next release.
+
+### Flight SQL & JDBC support
+
+The Ballista scheduler now implements the [Flight SQL protocol][flight-sql], enabling any compliant Flight SQL client
+to connect to and run queries against a Ballista cluster.
+
+The Apache Arrow Flight SQL JDBC driver can be used to connect Business Intelligence tools to a Ballista cluster.
+
+### Python Bindings
+
+It is now possible to connect to a Ballista cluster from Python and execute queries using both the DataFrame and SQL
+interfaces.
+
+### Scheduler Web User Interface and REST API
+
+The scheduler now has a web user interface for monitoring queries. It is also possible to view graphical query plans
+that show how the query was executed, along with metrics.
+
+<img src="{{ site.baseurl }}/img/2022-10-28-ballista-web-ui.png" width="800"/>
+
+The REST API that powers the user interface can also be accessed directly.
+
+### Simplified Kubernetes Deployment
+
+Ballista now provides a [Helm chart][helm-chart] for simplified Kubernetes deployment.
+
+### Performance and Scalability
+
+We continue to use benchmarks derived from TPC-H to compare performance with other query engines and identify
+query optimizations that should be implemented. With the 0.9.0 release, we see that some queries are now more than 10x
+faster than Apache Spark at the scale factor we are currently testing at.
+
+<img src="{{ site.baseurl }}/img/2022-10-28-ballista-perf.png" />
+
+More optimizations are planned for the 0.10.0 release. See the [tracking issue][optimizations] for details.

Review Comment:
   I plan on removing this section since I have no confidence that all of the queries are working correctly



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