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https://issues.apache.org/jira/browse/FLUME-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Israel Ekpo updated FLUME-1988:
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Description:
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.
was:
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.RegexDelimiterDeSerializer
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.
> 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
> Fix For: v1.4.0
>
>
> 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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