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Posted to dev@flume.apache.org by "BitsOfInfo (JIRA)" <ji...@apache.org> on 2013/09/27 23:45:05 UTC
[jira] [Updated] (FLUME-1988) Add Support for Additional
Deserializers for SpoolingDirectorySource
[ https://issues.apache.org/jira/browse/FLUME-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
BitsOfInfo updated FLUME-1988:
------------------------------
Attachment: TestRegexDelimiterDeSerializer.java
RegexDelimiterDeSerializer.java
@see patch release notes above
> Add Support for Additional Deserializers for SpoolingDirectorySource
> --------------------------------------------------------------------
>
> Key: FLUME-1988
> URL: https://issues.apache.org/jira/browse/FLUME-1988
> Project: Flume
> Issue Type: New Feature
> Components: Docs, Sinks+Sources
> Affects Versions: v1.4.0
> Reporter: Israel Ekpo
> Assignee: Israel Ekpo
> Labels: serializers
> Attachments: RegexDelimiterDeSerializer.java, TestRegexDelimiterDeSerializer.java
>
>
> There are certain use cases for SpoolingDirectorySource where the events in the log file are not delimited with newline characters.
> Certain log files that contain stack traces, xml documents and pretty JSON strings seem to contain multiple new line characters within each event.
> We can use alternative logic such as specific characters, strings or regular expressions to determine when the event is complete.
> Hence I am proposing the following new deserializers based on org.apache.flume.serialization.LineDeserializer
> # org.apache.flume.serialization.RegexDelimiterDeSerializer
> Allows the user to specify a regular expression that is a delimiter for events within the log file
> # org.apache.flume.serialization.CharSequenceDelimiterDeSerializer
> Allows the user to specify a comma separated character sequence that is a delimiter for events within the log file
> The user will specify an integer for the ascii characters and we will use that as the delimter.
> For example support for \r\n could be specified as 13,10
> A list of codes is available at http://www.asciitable.com/
> We will also need to update the user guide with examples on how to configure and specify a custom deserializer.
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