See: http://incubator.apache.org/chukwa/docs/r0.4.0/agent.html and http://incubator.apache.org/chukwa/docs/r0.4.0/programming.html
The configuration are the same for collector based demux. Hope this helps. regards, Eric On Oct 26, 2011, at 4:20 PM, AD wrote: > Thanks. Sorry for being dense here, but where does the data type get mapped > from the agent to the collector when passing data so that demux will match ? > > On Wed, Oct 26, 2011 at 12:34 PM, Eric Yang <[email protected]> wrote: > "dp" serves as two functions, first it loads data to mysql, second, it runs > SQL for aggregated views. demuxOutputDir_* is created if the demux mapreduce > produces data. Hence, make sure that there is a demux processor mapped to > your data type for the extracting process in chukwa-demux-conf.xml. > > regards, > Eric > > On Oct 26, 2011, at 5:15 AM, AD wrote: > > > Hmm, i am running bin/chukwa demux and i dont have anything past > > dataSinkArchives, there is no directory named demuxOutputDir_*. > > > > Also isnt dp an aggregate view? I need to parse the apache logs to do > > custom reports on things like remote_host , query strings, etc so i was > > hoping to parse the raw record and load it into Cassandra and run M/R there > > to do the aggregate views. I thought a new version of TSProcessor was the > > right place here but i could be wrong. > > > > Thoughts? > > > > > > > > If not, how do you write a custom postProcessor? > > > > On Wed, Oct 26, 2011 at 12:57 AM, Eric Yang <[email protected]> wrote: > > Hi AD, > > > > Data is stored in demuxOutputDir_* by demux and there is a > > postProcessorMananger (bin/chukwa dp) which monitors postProcess > > directory and load data to MySQL. For your use case, you will need to > > modify PostProcessorManager.java to adopt to your use case. Hope this > > helps. > > > > regards, > > Eric > > > > On Tue, Oct 25, 2011 at 6:34 PM, AD <[email protected]> wrote: > > > hello, > > > I currently push apache logs into Chukwa. I am trying to figure out how > > > to > > > get all those logs into Cassandra and run mapreduce there. Is the best > > > place to do this in Demux (right my own version of TSProcessor?) > > > Also the data flow seems to miss a step. The > > > page http://incubator.apache.org/chukwa/docs/r0.4.0/dataflow.html says in > > > 3.3 that > > > - demux moves complete files to: dataSinkArchives/[yyyyMMdd]/*/*.done > > > - the next step is to move files > > > from > > > postProcess/demuxOutputDir_*/[clusterName]/[dataType]/[dataType]_[yyyyMMdd]_[HH].R.evt > > > How do they get from dataSinkArchives to postProcess? does this run > > > inside of DemuxManager or a separate process (bin/chukwa demux) ? > > > Thanks > > > AD > > > >
