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[expand - 5 more] - Re: Unable to start hicc - Chukwa - [mail # user]
...Cluster name is found from table: SystemMetrics column family: system column: ctag The data is populated by Chukwa agent.  In the Chukwa agent configuration, we put extra tag cluster="d...
   Author: Eric Yang, 2012-05-25, 19:27
Re: the check point offset is bigger than the log file size - Chukwa - [mail # user]
...I am unable to reproduce this if the log file has not rotated.  I know there is a separated bug that when file is rotated, the check point offset does not change until the new file exce...
   Author: Eric Yang, 2012-05-19, 23:51
[expand - 3 more] - Re: Hadoop metric are not collected on amazon EMR - Chukwa - [mail # user]
...Hi Meena,  I can't pin point the exact problem, but there are two possible scenarios leading to this issues.  1. Is there may be a mismatch of the hadoop jar file between your Hado...
   Author: Eric Yang, 2012-04-05, 18:00
Re: about chukwa hicc start problem - Chukwa - [mail # user]
...Hi Ahmilliyon,  This is caused by commons-logging 1.1 has servlet.jsp embedded in it and was causing conflict with jetty jsp implementation.  In the maven pom.xml, change the commo...
   Author: Eric Yang, 2012-04-05, 17:51
[CHUKWA-570] Create a meta data table in HBase to keep track of columns - Chukwa - [issue]
...HBase provides dynamic columns, but it is costly to do table scan to figure out all the columns at real time.  For HICC to display all columns stored in HBase to web user interface, it ...
http://issues.apache.org/jira/browse/CHUKWA-570    Author: Eric Yang, 2012-03-31, 03:44
[CHUKWA-604] Covert from Sequence file to HBase for storing FSM data - Chukwa - [issue]
...For analyse datanode client trace and task tracker client trace data, mapreduce job in org/apache/hadoop/chukwa/analysis/salsa/fsm should be converted to use HBase as mean of storage instead...
http://issues.apache.org/jira/browse/CHUKWA-604    Author: Eric Yang, 2012-03-31, 03:44
[CHUKWA-336] TableCreator will not create table if the date is more than 1 month in the past. - Chukwa - [issue]
...The current algorithm for pin point data on the time partition works as follow:If the selected time resolution is less than 24 hours, use weekly table.If the selected time resolution is less...
http://issues.apache.org/jira/browse/CHUKWA-336    Author: Eric Yang, 2012-03-31, 03:41
[CHUKWA-288] Cleaner build management for chukwa-pig.jar - Chukwa - [issue]
...The current build system generates chukwa-pig.jar in CHUKWA_HOME/contrib/chukwa-pig.  This should be changed to CHUKWA_HOME/contrib/chukwa-pig/build.  The change would prevent mang...
http://issues.apache.org/jira/browse/CHUKWA-288    Author: Eric Yang, 2012-03-31, 03:38
[CHUKWA-322] ClientTrace data needs down sampling script - Chukwa - [issue]
...ClientTrace current does not have a down sampling script to run the down sample.  In order for client trace to visualize beyond 24 hours, down sampling script should be written.  T...
http://issues.apache.org/jira/browse/CHUKWA-322    Author: Eric Yang, 2012-03-31, 03:29
Re: allocate customized information via chukwa - Chukwa - [mail # dev]
...Hi,  Chukwa is a generic collection system.  It should be possible to extend it to collect your log files and implement a demur parser for your log files.  Regards, Eric  ...
   Author: Eric Yang, 2012-03-30, 14:51
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB