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Re: Why startRegionOperation get the lock.readLock().lock(),still need row lock? - HBase - [mail # user]
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...* The first lock is for guarding closes of Region. I.e. for forbidding reading/writing to the Region which is being closed. * The second lock is row lock. Alex Baranau Sematext :: http...
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Author: Alex Baranau,
2012-07-16, 14:33
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Re: deprecating (old) metrics in favor of metrics2 framework - HBase - [mail # dev]
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...Hi, I don't know the details of what Todd suggested, could you please take a look at last two comments at https://issues.apache.org/jira/browse/HBASE-4050, to see if I understand correctly t...
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Author: Alex Baranau,
2012-07-11, 16:29
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Re: Can manually remove HFiles (similar to bulk import, but bulk remove)? - HBase - [mail # user]
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...Thank you guys for the pointers/info! I'll try to make use of it. If it turns out into smth (like script, etc.) re-usable I will open a JIRA issue and add it for others to use. Thanx a...
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Author: Alex Baranau,
2012-07-11, 14:09
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Re: deprecating (old) metrics in favor of metrics2 framework - HBase - [mail # dev]
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...As far as I can tell, they can live together easily. This should not be a big issue. E.g. it should be much smaller issue than the fact that code implemented on top of metrics2 will not comp...
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Author: Alex Baranau,
2012-07-10, 22:24
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Re: Can manually remove HFiles (similar to bulk import, but bulk remove)? - HBase - [mail # user]
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...Hey, this is closer! However, I think I'd want to avoid major compaction. In fact I was thinking about avoiding any compactions & splitting. E.g. say I process some amount of data ever...
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Author: Alex Baranau,
2012-07-09, 20:05
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Re: Can manually remove HFiles (similar to bulk import, but bulk remove)? - HBase - [mail # user]
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...Heh, this is what I want to avoid actually: restarting RSs. Alex Baranau Sematext :: http://blog.sematext.com/ :: Solr - Lucene - Hadoop - HBase On Mon, Jul 9, 2012 at 3:38 PM, A...
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Author: Alex Baranau,
2012-07-09, 19:41
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Can manually remove HFiles (similar to bulk import, but bulk remove)? - HBase - [mail # user]
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...Hello, I wonder, for purging old data, if I'm OK with "remove all StoreFiles which are older than ..." way, can I do that? To me it seems like this can be a very effective way to remov...
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Author: Alex Baranau,
2012-07-09, 19:36
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Re: Metrics in 0.96 - HBase - [mail # dev]
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...Meanwhile I suggested taking on this one: https://issues.apache.org/jira/browse/HBASE-4050 separately/first. What do you think? Alex On Fri, Jun 29, 2012 at 1:21 PM, Lars George ...
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Author: Alex Baranau,
2012-06-29, 20:10
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Re: Metrics in 0.96 - HBase - [mail # dev]
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...Hi Lars, Any chance you created umbrella jira for that? Thank you, Alex On Sat, Jun 23, 2012 at 3:10 AM, Lars George wrote: ...
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Author: Alex Baranau,
2012-06-29, 16:06
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Re: ways to improve performance of Scan with SingleColumnValueFilter..Please help!!! - HBase - [mail # user]
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...1. Theoretically, scanning on each regionserver with cps might help you, I think. But this is not a good way to go with anyways... 2. Table is created on the cluster, not on individual...
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Author: Alex Baranau,
2012-06-29, 14:31
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