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Re: HBase 'Real-Time' reads? - HBase - [mail # user]
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...WAL is just there for recover. Reads will meet the Memstore on their read path, that's how LSM Trees are working. On Wed, Sep 12, 2012 at 11:15 PM, Jason Huang wrote: &nbs...
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Author: Adrien Mogenet,
2012-09-12, 21:19
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[HBASE-6722] fixHdfsOrphans won't work for first/end regions - HBase - [issue]
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...When a .regioninfo is missing on the first (or final) region, it will try to determine the startKey (or endKey) based on what it has been seen on the HDFS.However, for these special cases an...
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http://issues.apache.org/jira/browse/HBASE-6722
Author: Adrien Mogenet,
2012-09-05, 20:00
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Re: bulk loading - region creation/pre-spliting - HBase - [mail # user]
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...If you plan pre-splitting regions, look at the classes exposed by RegionSplitter (http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/util/RegionSplitter.html). Are you keys String...
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Author: Adrien Mogenet,
2012-08-30, 06:50
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Re: Client receives SocketTimeoutException (CallerDisconnected on RS) - HBase - [mail # user]
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...On Fri, Aug 24, 2012 at 6:52 PM, N Keywal wrote: Totally randoms (even on keys that do not exist). But the number of writeRequests looks also roughly well distributed. I'm...
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Author: Adrien Mogenet,
2012-08-28, 06:34
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Re: RS, TT, shared DN and good performance on random Hbase random reads. - HBase - [mail # user]
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...How would you define a "low slotted" ? A poor scheduling capacity to avoid high number of mappers ? On Sat, Aug 25, 2012 at 3:32 PM, Harsh J wrote: Adrien Mogenet 06...
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Author: Adrien Mogenet,
2012-08-25, 17:19
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Re: Client receives SocketTimeoutException (CallerDisconnected on RS) - HBase - [mail # user]
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...G'd evening everyone, Here are the logs from the server side : http://pastebin.com/yC5dGChh And from the client side : http://pastebin.com/tR7wdkxG I followed your advices and I ...
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Author: Adrien Mogenet,
2012-08-24, 15:56
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Re: Client receives SocketTimeoutException (CallerDisconnected on RS) - HBase - [mail # user]
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...Hi guys, 1/ I checked quickly the GC logs and saw nothing. Since I need very fast lookup I set the zookeeper.session.timeout parameter to 10s to consider the RS as dead after very shor...
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Author: Adrien Mogenet,
2012-08-23, 18:02
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Client receives SocketTimeoutException (CallerDisconnected on RS) - HBase - [mail # user]
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...Hi there, While I'm performing read-intensive benchmarks, I'm seeing storm of "CallerDisconnectedException" in certain RegionServers. As the documentation says, my client received a So...
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Author: Adrien Mogenet,
2012-08-23, 17:24
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Re: Poor data locality of MR job - HBase - [mail # user]
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...Did you pre split your table or did you let balancer assign regions to regionservers for you ? Did your regionserver(s) fail ? On Thu, Aug 2, 2012 at 8:31 AM, Bryan Keller ...
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Author: Adrien Mogenet,
2012-08-02, 06:39
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Re: Row distribution - HBase - [mail # user]
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...details of a table. You can also develop your own "balance viewer" through the HBase API (list of RS, regions, storeFiles, their size, etc.) On Wed, Jul 25, 2012 at 7:32 AM, Mohit Anch...
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Author: Adrien Mogenet,
2012-07-25, 05:59
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