[syslog-ng] Connect syslog-ng to HDFS

Lee Keng Ket kengket at gmail.com
Fri Aug 17 09:27:08 UTC 2018


Hi, Peter

I have put in all the jar files from the Hadoop client to the
/opt/hadoop/lib and declare this in the conf file.
This should solve the JAR dependencies, right? Or please correct me if I'm
wrong.

Thank you.

Regards,
KK

On Fri, Aug 17, 2018 at 4:34 PM Czanik, P├ęter <peter.czanik at balabit.com>
wrote:

> Hi,
>
> As https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/ also
> writes: "Java is enabled, but JAR dependencies are not provided in package,
> except for Elasticsearch http mode." The syslog-ng-java-deps.noarch
> contains build time dependencies. Probably I should rename the package to
> syslog-ng-java-build-deps...
>
> Check the documentation at
> https://www.syslog-ng.com/technical-documents/doc/syslog-ng-open-source-edition/3.16/administration-guide/33#TOPIC-956506
> on how to download and configure HDFS related JAR dependencies.
>
> Bye,
>
> Peter Czanik (CzP) <peter.czanik at balabit.com>
> Balabit / syslog-ng upstream
> https://syslog-ng.com/community/
> https://twitter.com/PCzanik
>
> On Fri, Aug 17, 2018 at 10:22 AM, Lee Keng Ket <kengket at gmail.com> wrote:
>
>> Hi,
>>
>> I'm trying to connect syslog-ng 3.14.1 to HDFS to store the syslog
>> messages. The syslog-ng can start without error, and it's able to write
>> into local file. However, the log is not written to the HDFS. As there is
>> no single error, I'm not sure how I should troubleshoot on this.
>>
>> I have installed the syslog-ng from this repo,
>> https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/repo/epel-7/czanik-syslog-ng314-epel-7.repo
>>
>> Installed Packages
>> syslog-ng.x86_64
>> 3.14.1-4.el7.centos
>> @czanik-syslog-ng314
>> syslog-ng-java.x86_64
>> 3.14.1-4.el7.centos
>> @czanik-syslog-ng314
>> syslog-ng-java-deps.noarch
>> 1.0-2
>> @czanik-syslog-ng314
>>
>> This is the message from /var/log/message:
>> Log statistics; processed='src.internal(s_sys#0)=1',
>> stamp='src.internal(s_sys#0)=1534491834',
>> processed='destination(d_spol)=0', processed='destination(d_mlal)=0',
>> processed='center(received)=2', processed='destination(d_mesg)=1',
>> processed='destination(d_mail)=0', processed='destination(d_auth)=0',
>> processed='destination(d_cron)=0', processed='destination(d_hdfs)=1',
>> processed='center(queued)=3', queued='global(scratch_buffers_count)=0',
>> processed='source(remote_log)=1',
>> dropped='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=0',
>> processed='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1',
>> queued='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1',
>> processed='global(payload_reallocs)=0',
>> processed='src.journald(journal)=0', stamp='src.journald(journal)=0',
>> processed='global(sdata_updates)=0',
>> queued='global(scratch_buffers_bytes)=0',
>> processed='destination(d_boot)=0', processed='destination(d_kern)=0',
>> processed='source(s_sys)=1', processed='destination(remote)=1',
>> processed='global(internal_queue_length)=0',
>> processed='global(msg_clones)=0'
>>
>> Anyone has any idea how should I proceed the troubleshooting?
>>
>>
>> ______________________________________________________________________________
>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>> Documentation:
>> http://www.balabit.com/support/documentation/?product=syslog-ng
>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>
>>
>>
>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation:
> http://www.balabit.com/support/documentation/?product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
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