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Re: Hadoop metric are not collected on amazon EMR - Chukwa - [mail # user]
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...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...
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Author: Eric Yang,
2012-04-05, 18:00
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Re: about chukwa hicc start problem - Chukwa - [mail # user]
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...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...
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Author: Eric Yang,
2012-04-05, 17:51
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Re: Hadoop metric are not collected on amazon EMR - Chukwa - [mail # user]
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...Which version of Hadoop are you using? This looks like a mismatch between how Chukwa calls DFS client, and Hadoop jar file. regards, Eric On Wed, Apr 4, 2012 at 1:43 AM, me...
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Author: Eric Yang,
2012-04-05, 03:04
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Re: Hadoop metric are not collected on amazon EMR - Chukwa - [mail # user]
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...Hi Meena, Chukwa 0.5.0 has HBase enabled by default. You can modify it to stream to HDFS by following the instructions on this page: http://incubator.apache.org/chukwa/docs...
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Author: Eric Yang,
2012-04-05, 03:02
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Re: Hadoop metric are not collected on amazon EMR - Chukwa - [mail # user]
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...Hi Meena, Hadoop 0.20.205 and Chukwa 0.4 is a mismatch. Hadoop 0.20.20x has been modified to use MetricsSink instead of MentricsContext. Therefore, you will not see Hadoop metric...
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Author: Eric Yang,
2012-04-03, 16:06
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Re: Incubator PMC/Board report for Apr 2012 ([ppmc]) - Chukwa - [mail # dev]
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...Updated diversity concerns. Please verify if the report is accurate. In my opinion, PMC members are all in different organization. Diversity should not be a problem, or does it? ...
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Author: Eric Yang,
2012-04-02, 21:50
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[CHUKWA-570] Create a meta data table in HBase to keep track of columns - Chukwa - [issue]
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...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 ...
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http://issues.apache.org/jira/browse/CHUKWA-570
Author: Eric Yang,
2012-03-31, 03:44
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[CHUKWA-604] Covert from Sequence file to HBase for storing FSM data - Chukwa - [issue]
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...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...
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http://issues.apache.org/jira/browse/CHUKWA-604
Author: Eric Yang,
2012-03-31, 03:44
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[CHUKWA-336] TableCreator will not create table if the date is more than 1 month in the past. - Chukwa - [issue]
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...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...
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http://issues.apache.org/jira/browse/CHUKWA-336
Author: Eric Yang,
2012-03-31, 03:41
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[CHUKWA-288] Cleaner build management for chukwa-pig.jar - Chukwa - [issue]
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...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...
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http://issues.apache.org/jira/browse/CHUKWA-288
Author: Eric Yang,
2012-03-31, 03:38
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