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HBase >> mail # dev >> assignment - is master beeing a watchdog useful?


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assignment - is master beeing a watchdog useful?
See comments in HBASE-7247: the master checks the time spent by the
regionserver, and assign it to another if it takes too long. It adds
complexity.

from Stack: "I'm currently of the opinion that this expensive facility of
master failing an open because it has been taking too long on a particular
regionserver has been of no use – worse, it has only caused headache – but
I may be just not remembering and others out on dev list will have better
recall than I."

So, opinions & memories are more than welcome.
Removing this feature would be a huge simplification!

Cheers,

Nicolas
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Andrew Purtell 2012-12-06, 01:20
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Jimmy Xiang 2012-12-06, 02:57
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Stack 2012-12-06, 03:53
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Jimmy Xiang 2012-12-06, 17:26
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Sergey Shelukhin 2012-12-06, 18:18
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Jimmy Xiang 2012-12-06, 18:35
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Stack 2012-12-06, 18:34
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Jimmy Xiang 2012-12-06, 18:39
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Stack 2012-12-06, 18:44
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Jimmy Xiang 2012-12-06, 18:55
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Andrew Purtell 2012-12-06, 03:53
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