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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3311) Add a connector for streaming data into Cassandra
Date Fri, 19 Feb 2016 09:43:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15153993#comment-15153993

ASF GitHub Bot commented on FLINK-3311:

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

    --- Diff: flink-streaming-connectors/flink-connector-cassandra/pom.xml ---
    @@ -0,0 +1,149 @@
    +<?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
    +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.flink</groupId>
    +		<artifactId>flink-streaming-connectors</artifactId>
    +		<version>1.0-SNAPSHOT</version>
    +		<relativePath>..</relativePath>
    +	</parent>
    +	<artifactId>flink-connector-cassandra_2.10</artifactId>
    +	<name>flink-connector-cassandra</name>
    +	<packaging>jar</packaging>
    +	<!-- Allow users to pass custom connector versions -->
    +	<properties>
    +		<cassandra.version>2.2.5</cassandra.version>
    +		<driver.version>2.1.9</driver.version>
    --- End diff --
    [I should upgrade both](http://datastax.github.io/java-driver/manual/native_protocol/),
but I would prefer to remain with v2, it's more stable and wildly used. 

> Add a connector for streaming data into Cassandra
> -------------------------------------------------
>                 Key: FLINK-3311
>                 URL: https://issues.apache.org/jira/browse/FLINK-3311
>             Project: Flink
>          Issue Type: New Feature
>          Components: Streaming Connectors
>            Reporter: Robert Metzger
>            Assignee: Andrea Sella
> We had users in the past asking for a Flink+Cassandra integration.
> It seems that there is a well-developed java client for connecting into Cassandra: https://github.com/datastax/java-driver
(ASL 2.0)
> There are also tutorials out there on how to start a local cassandra instance (for the
tests): http://prettyprint.me/prettyprint.me/2010/02/14/running-cassandra-as-an-embedded-service/index.html
> For the data types, I think we should support TupleX types, and map standard java types
to the respective cassandra types.
> In addition, it seems that there is a object mapper from datastax to store POJOs in Cassandra
(there are annotations for defining the primary key and types)

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