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Re: hbase won't startup after ipaddress change - HBase - [mail # user]
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...IIRC when it starts it will start looking for the cached IPs which timeout and it's going to retry 3 times with 60 seconds or so for each region. Eventually if you start it again it should s...
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Author: Cosmin Lehene,
2012-01-27, 19:42
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Re: Addition of an extra method to HRegionServer consensus - HBase - [mail # dev]
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...Hi, Semantically (at least to me :)) it makes sense to have a flushAllRegions method. The flushAllRegions disguised in flushRegions(null) would be hidden logic. One would expect...
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Author: Cosmin Lehene,
2012-01-12, 09:41
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Re: Query on analyze big data with Hbase - HBase - [mail # user]
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...You should consider looking over the available HBase resources There's an online book http://hbase.apache.org/book.html And there's Lars George's book from O'Reilly (http://shop.oreill...
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Author: Cosmin Lehene,
2011-11-16, 10:22
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Re: HBase 0.90.4 missing data in production - HBase - [mail # dev]
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...Dropping in. Vladimir, can you check if there's any time skew between servers? (I can't remember the exact details, but once we ended up with .META. region location (cells) that were d...
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Author: Cosmin Lehene,
2011-11-07, 17:07
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Re: TableInputFormat improvement to handle lots of small regions - HBase - [mail # dev]
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...We overridden getSplits so that it does super.getSplits and then using a co nfiguration variable (splitsPerMap) will output another set of splits that basically merges (start/stop row ...
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Author: Cosmin Lehene,
2011-06-22, 12:08
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Re: connection loss for /hbase - HBase - [mail # user]
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...Hi Geoff, The default number of connections in ZK is 10 I believe. You don't need 32K for 100 mappers. But it would help to increase that. Here's my answer for a related pr...
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Author: Cosmin Lehene,
2011-06-04, 09:56
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Re: Where to checkout build.xml - HBase - [mail # user]
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...Hi jiajun, Hbase 0.90 builds with Maven. Here are some details http://wiki.apache.org/hadoop/Hbase/MavenPrimer Cosmin On Apr 5, 2011, at 12:04 PM, 陈加俊 wrote: I want to buil...
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Author: Cosmin Lehene,
2011-04-05, 09:38
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Re: I lost the table '.META.' ,could I restore the other tables by files of hdfs - HBase - [mail # user]
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...Also 0.20 is very old. You should upgrade to 0.90 asap ;) Cosmin On Mar 30, 2011, at 12:19 PM, Cosmin Lehene wrote: ...
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Author: Cosmin Lehene,
2011-03-30, 09:24
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Re: I lost the table '.META.' ,could I restore the other tables by files of hdfs - HBase - [mail # user]
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...Yep, Just checked out 0.20 and tried it. Look into add_table.rb # Get table name tableName = nil if ARGV.size > 1 tableName = ARGV[1] raise IOError.new("No...
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Author: Cosmin Lehene,
2011-03-30, 09:19
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Re: I lost the table '.META.' ,could I restore the other tables by files of hdfs - HBase - [mail # user]
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...Hi Jiajun, There's a script in hbase/bin to add a table: you can run bin/hbase org.jruby.Main bin/add_table.rb Also there's a setting for HDFS to enable trash. This way your fil...
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Author: Cosmin Lehene,
2011-03-30, 07:15
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