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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-626) create an iterator fuzz tester
Date Mon, 09 Nov 2015 18:43:11 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14997105#comment-14997105
] 

ASF GitHub Bot commented on ACCUMULO-626:
-----------------------------------------

Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/50#discussion_r44312491
  
    --- Diff: iterator-test-harness/pom.xml ---
    @@ -0,0 +1,56 @@
    +<?xml version="1.0" encoding="UTF-8"?>
    +<!--
    +  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.
    +-->
    +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    +  <modelVersion>4.0.0</modelVersion>
    +  <parent>
    +    <groupId>org.apache.accumulo</groupId>
    +    <artifactId>accumulo-project</artifactId>
    +    <version>1.8.0-SNAPSHOT</version>
    +  </parent>
    +  <artifactId>accumulo-iterator-test-harness</artifactId>
    +  <name>Apache Accumulo Iterator Test Harness</name>
    +  <description>A library for testing Apache Accumulo Iterators.</description>
    +  <dependencies>
    +    <!-- TODO Don't force downstream users to have JUnit -->
    +    <dependency>
    +      <groupId>junit</groupId>
    +      <artifactId>junit</artifactId>
    +      <!--optional>true</optional-->
    +    </dependency>
    +    <dependency>
    +      <groupId>log4j</groupId>
    +      <artifactId>log4j</artifactId>
    +    </dependency>
    +    <dependency>
    +      <groupId>org.apache.accumulo</groupId>
    +      <artifactId>accumulo-core</artifactId>
    +    </dependency>
    +    <dependency>
    +      <groupId>org.apache.hadoop</groupId>
    +      <artifactId>hadoop-client</artifactId>
    +    </dependency>
    +    <dependency>
    +      <groupId>org.reflections</groupId>
    +      <artifactId>reflections</artifactId>
    +    </dependency>
    --- End diff --
    
    No worries, your attention to that detail is appreciated. It was really just a "google,
copy/paste" job to keep me moving on that I didn't mean to keep long-term. :)


> create an iterator fuzz tester
> ------------------------------
>
>                 Key: ACCUMULO-626
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-626
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: test
>            Reporter: Eric Newton
>            Assignee: Josh Elser
>
> Users often write iterators without fully understanding its limits and lifetime. Accumulo
should have an iterator fuzz-tester which will take user data and run the iterator under extreme
conditions.  For example, it should re-create and re-seek the iterator with every key returned.
 It could automatically compare results of such a run with the naive run, which seeks to the
beginning and scans all the data.



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