This is an automated email from the ASF dual-hosted git repository. mergebot-role pushed a commit to branch asf-site in repository https://gitbox.apache.org/repos/asf/beam-site.git
commit c77047075a163d2c19fc999cf717dd659eae315c Author: Mergebot <[email protected]> AuthorDate: Tue May 1 10:45:03 2018 -0700 Prepare repository for deployment. --- content/documentation/dsls/sql/index.html | 1 + .../sdks/feature-comparison/index.html | 1 + .../documentation/sdks/java-extensions/index.html | 1 + .../index.html | 147 ++++++++++++++------- content/documentation/sdks/java/index.html | 3 + content/documentation/sdks/java/nexmark/index.html | 1 + .../documentation/sdks/python-custom-io/index.html | 1 + .../sdks/python-pipeline-dependencies/index.html | 1 + .../sdks/python-type-safety/index.html | 1 + content/documentation/sdks/python/index.html | 1 + 10 files changed, 112 insertions(+), 46 deletions(-) diff --git a/content/documentation/dsls/sql/index.html b/content/documentation/dsls/sql/index.html index ecaf7c6..2f03a80 100644 --- a/content/documentation/dsls/sql/index.html +++ b/content/documentation/dsls/sql/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/feature-comparison/index.html b/content/documentation/sdks/feature-comparison/index.html index f31a33d..0ed38ca 100644 --- a/content/documentation/sdks/feature-comparison/index.html +++ b/content/documentation/sdks/feature-comparison/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/java-extensions/index.html b/content/documentation/sdks/java-extensions/index.html index 880b726..4496ff3 100644 --- a/content/documentation/sdks/java-extensions/index.html +++ b/content/documentation/sdks/java-extensions/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/java-extensions/index.html b/content/documentation/sdks/java-thirdparty/index.html similarity index 67% copy from content/documentation/sdks/java-extensions/index.html copy to content/documentation/sdks/java-thirdparty/index.html index 880b726..0967e4c 100644 --- a/content/documentation/sdks/java-extensions/index.html +++ b/content/documentation/sdks/java-thirdparty/index.html @@ -4,7 +4,7 @@ <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> - <title>Beam Java SDK Extensions</title> + <title>Beam 3rd Party Java Extensions</title> <meta name="description" content="Apache Beam is an open source, unified model and set of language-specific SDKs for defining and executing data processing workflows, and also data ingestion and integration flows, supporting Enterprise Integration Patterns (EIPs) and Domain Specific Languages (DSLs). Dataflow pipelines simplify the mechanics of large-scale batch and streaming data processing and can run on a number of runtimes like Apache Flink, Apache Spark, and Google Cloud Dataflow [...] "> <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400" rel="stylesheet"> @@ -15,7 +15,7 @@ <script src="/js/fix-menu.js"></script> <script src="/js/section-nav.js"></script> <script src="/js/page-nav.js"></script> - <link rel="canonical" href="https://beam.apache.org/documentation/sdks/java-extensions/" data-proofer-ignore> + <link rel="canonical" href="https://beam.apache.org/documentation/sdks/java-thirdparty/" data-proofer-ignore> <link rel="shortcut icon" type="image/x-icon" href="/images/favicon.ico"> <link rel="alternate" type="application/rss+xml" title="Apache Beam" href="https://beam.apache.org/feed.xml"> <script> @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> @@ -129,12 +130,22 @@ <ul class="nav"> - <li><a href="#join-library">Join-library</a></li> - <li><a href="#sorter">Sorter</a> + <li><a href="#parsing-httpdnginx-access-logs">Parsing HTTPD/NGINX access logs.</a> <ul> - <li><a href="#caveats">Caveats</a></li> - <li><a href="#options">Options</a></li> - <li><a href="#example-usage-of-sortvalues">Example usage of <code class="highlighter-rouge">SortValues</code></a></li> + <li><a href="#summary">Summary</a></li> + <li><a href="#project-page">Project page</a></li> + <li><a href="#license">License</a></li> + <li><a href="#download">Download</a></li> + <li><a href="#code-example">Code example</a></li> + </ul> + </li> + <li><a href="#analyzing-the-useragent-string">Analyzing the Useragent string</a> + <ul> + <li><a href="#summary-1">Summary</a></li> + <li><a href="#project-page-1">Project page</a></li> + <li><a href="#license-1">License</a></li> + <li><a href="#download-1">Download</a></li> + <li><a href="#code-example-1">Code example</a></li> </ul> </li> </ul> @@ -143,64 +154,108 @@ </nav> <div class="body__contained body__section-nav"> - <h1 id="apache-beam-java-sdk-extensions">Apache Beam Java SDK Extensions</h1> + <h1 id="apache-beam-3rd-party-java-extensions">Apache Beam 3rd Party Java Extensions</h1> + +<p>These are some of the 3rd party Java libaries that may be useful for specific applications.</p> -<h2 id="join-library">Join-library</h2> +<h2 id="parsing-httpdnginx-access-logs">Parsing HTTPD/NGINX access logs.</h2> -<p>Join-library provides inner join, outer left join, and outer right join functions. The aim -is to simplify the most common cases of join to a simple function call.</p> +<h3 id="summary">Summary</h3> +<p>The Apache HTTPD webserver creates logfiles that contain valuable information about the requests that have been done to +the webserver. The format of these log files is a configuration option in the Apache HTTPD server so parsing this +into useful data elements is normally very hard to do.</p> -<p>The functions are generic and support joins of any Beam-supported types. -Input to the join functions are <code class="highlighter-rouge">PCollections</code> of <code class="highlighter-rouge">Key</code> / <code class="highlighter-rouge">Value</code>s. Both -the left and right <code class="highlighter-rouge">PCollection</code>s need the same type for the key. All the join -functions return a <code class="highlighter-rouge">Key</code> / <code class="highlighter-rouge">Value</code> where <code class="highlighter-rouge">Key</code> is the join key and value is -a <code class="highlighter-rouge">Key</code> / <code class="highlighter-rouge">Value</code> where the key is the left value and right is the value.</p> +<p>To solve this problem in an easy way a library was created that works in combination with Apache Beam +and is capable of doing this for both the Apache HTTPD and NGINX.</p> -<p>For outer joins, the user must provide a value that represents <code class="highlighter-rouge">null</code> because <code class="highlighter-rouge">null</code> -cannot be serialized.</p> +<p>The basic idea is that the logformat specification is the schema used to create the line. +This parser is simply initialized with this schema and the list of fields you want to extract.</p> -<p>Example usage:</p> +<h3 id="project-page">Project page</h3> +<p><a href="https://github.com/nielsbasjes/logparser">https://github.com/nielsbasjes/logparser</a></p> -<div class="highlighter-rouge"><pre class="highlight"><code>PCollection<KV<String, String>> leftPcollection = ... -PCollection<KV<String, Long>> rightPcollection = ... +<h3 id="license">License</h3> +<p>Apache License 2.0</p> -PCollection<KV<String, KV<String, Long>>> joinedPcollection = - Join.innerJoin(leftPcollection, rightPcollection); +<h3 id="download">Download</h3> +<div class="highlighter-rouge"><pre class="highlight"><code><dependency> + <groupId>nl.basjes.parse.httpdlog</groupId> + <artifactId>httpdlog-parser</artifactId> + <version>5.0</version> +</dependency> </code></pre> </div> -<h2 id="sorter">Sorter</h2> - -<p>This module provides the <code class="highlighter-rouge">SortValues</code> transform, which takes a <code class="highlighter-rouge">PCollection<KV<K, Iterable<KV<K2, V>>>></code> and produces a <code class="highlighter-rouge">PCollection<KV<K, Iterable<KV<K2, V>>>></code> where, for each primary key <code class="highlighter-rouge">K</code> the paired <code class="highlighter-rouge">Iterable<KV<K2, V>></code> has been sorted b [...] - -<h3 id="caveats">Caveats</h3> - -<ul> - <li>This transform performs value-only sorting; the iterable accompanying each key is sorted, but <em>there is no relationship between different keys</em>, as Beam does not support any defined relationship between different elements in a <code class="highlighter-rouge">PCollection</code>.</li> - <li>Each <code class="highlighter-rouge">Iterable<KV<K2, V>></code> is sorted on a single worker using local memory and disk. This means that <code class="highlighter-rouge">SortValues</code> may be a performance and/or scalability bottleneck when used in different pipelines. For example, users are discouraged from using <code class="highlighter-rouge">SortValues</code> on a <code class="highlighter-rouge">PCollection</code> of a single element to globally sort a large <cod [...] -</ul> +<h3 id="code-example">Code example</h3> + +<p>Assuming a WebEvent class that has a the setters setIP, setQueryImg and setQueryStringValues</p> + +<div class="highlighter-rouge"><pre class="highlight"><code>PCollection<WebEvent> filledWebEvents = input + .apply("Extract Elements from logline", + ParDo.of(new DoFn<String, WebEvent>() { + private Parser<WebEvent> parser; + + @Setup + public void setup() throws NoSuchMethodException { + parser = new HttpdLoglineParser<>(WebEvent.class, + "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" \"%{Cookie}i\""); + parser.addParseTarget("setIP", "IP:connection.client.host"); + parser.addParseTarget("setQueryImg", "STRING:request.firstline.uri.query.img"); + parser.addParseTarget("setQueryStringValues", "STRING:request.firstline.uri.query.*"); + } + + @ProcessElement + public void processElement(ProcessContext c) throws InvalidDissectorException, MissingDissectorsException, DissectionFailure { + c.output(parser.parse(c.element())); + } + }) + ); +</code></pre> +</div> -<h3 id="options">Options</h3> +<h2 id="analyzing-the-useragent-string">Analyzing the Useragent string</h2> -<ul> - <li>The user can customize the temporary location used if sorting requires spilling to disk and the maximum amount of memory to use by creating a custom instance of <code class="highlighter-rouge">BufferedExternalSorter.Options</code> to pass into <code class="highlighter-rouge">SortValues.create</code>.</li> -</ul> +<h3 id="summary-1">Summary</h3> +<p>Parse and analyze the useragent string and extract as many relevant attributes as possible.</p> -<h3 id="example-usage-of-sortvalues">Example usage of <code class="highlighter-rouge">SortValues</code></h3> +<h3 id="project-page-1">Project page</h3> +<p><a href="https://github.com/nielsbasjes/yauaa">https://github.com/nielsbasjes/yauaa</a></p> -<div class="highlighter-rouge"><pre class="highlight"><code>PCollection<KV<String, KV<String, Integer>>> input = ... +<h3 id="license-1">License</h3> +<p>Apache License 2.0</p> -// Group by primary key, bringing <SecondaryKey, Value> pairs for the same key together. -PCollection<KV<String, Iterable<KV<String, Integer>>>> grouped = - input.apply(GroupByKey.<String, KV<String, Integer>>create()); +<h3 id="download-1">Download</h3> +<div class="highlighter-rouge"><pre class="highlight"><code><dependency> + <groupId>nl.basjes.parse.useragent</groupId> + <artifactId>yauaa-beam</artifactId> + <version>4.2</version> +</dependency> +</code></pre> +</div> -// For every primary key, sort the iterable of <SecondaryKey, Value> pairs by secondary key. -PCollection<KV<String, Iterable<KV<String, Integer>>>> groupedAndSorted = - grouped.apply( - SortValues.<String, String, Integer>create(BufferedExternalSorter.options())); +<h3 id="code-example-1">Code example</h3> +<div class="highlighter-rouge"><pre class="highlight"><code>PCollection<WebEvent> filledWebEvents = input + .apply("Extract Elements from Useragent", + ParDo.of(new UserAgentAnalysisDoFn<WebEvent>() { + @Override + public String getUserAgentString(WebEvent record) { + return record.useragent; + } + + @YauaaField("DeviceClass") + public void setDC(WebEvent record, String value) { + record.deviceClass = value; + } + + @YauaaField("AgentNameVersion") + public void setANV(WebEvent record, String value) { + record.agentNameVersion = value; + } + })); </code></pre> </div> + </div> </div> <footer class="footer"> diff --git a/content/documentation/sdks/java/index.html b/content/documentation/sdks/java/index.html index 8ee69fc..24bf79c 100644 --- a/content/documentation/sdks/java/index.html +++ b/content/documentation/sdks/java/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> @@ -166,6 +167,8 @@ <li><a href="/documentation/sdks/java/nexmark">Nexmark</a> is a benchmark suite that runs in batch and streaming modes.</li> </ul> +<p>In addition several <a href="/documentation/sdks/java-thirdparty/">3rd party Java libraries</a> exist.</p> + </div> </div> <footer class="footer"> diff --git a/content/documentation/sdks/java/nexmark/index.html b/content/documentation/sdks/java/nexmark/index.html index e490497..1db73a7 100644 --- a/content/documentation/sdks/java/nexmark/index.html +++ b/content/documentation/sdks/java/nexmark/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/python-custom-io/index.html b/content/documentation/sdks/python-custom-io/index.html index 947b33c..566e17d 100644 --- a/content/documentation/sdks/python-custom-io/index.html +++ b/content/documentation/sdks/python-custom-io/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/python-pipeline-dependencies/index.html b/content/documentation/sdks/python-pipeline-dependencies/index.html index 3afbcab..89a398b 100644 --- a/content/documentation/sdks/python-pipeline-dependencies/index.html +++ b/content/documentation/sdks/python-pipeline-dependencies/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/python-type-safety/index.html b/content/documentation/sdks/python-type-safety/index.html index ad63eac..06d4512 100644 --- a/content/documentation/sdks/python-type-safety/index.html +++ b/content/documentation/sdks/python-type-safety/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> diff --git a/content/documentation/sdks/python/index.html b/content/documentation/sdks/python/index.html index 3b327da..65c5e8f 100644 --- a/content/documentation/sdks/python/index.html +++ b/content/documentation/sdks/python/index.html @@ -96,6 +96,7 @@ alt="External link."></a> </li> <li><a href="/documentation/sdks/java-extensions/">Java SDK extensions</a></li> + <li><a href="/documentation/sdks/java-thirdparty/">Java 3rd party extensions</a></li> <li><a href="/documentation/sdks/java/nexmark/">Nexmark benchmark suite</a></li> </ul> </li> -- To stop receiving notification emails like this one, please contact [email protected].
