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Re: Hbase Hardware requirement - HBase - [mail # user]
...Expensive is relative and with the latest intel hardware release you're star ting to see 10gbe on the motherboard.  Not to mention you don't get a linear boost w port bonding.  You...
   Author: Michel Segel, 2011-06-10, 01:58
Re: How to efficiently join HBase tables? - HBase - [mail # user]
...  This is why I was suggesting using the temp tables and not trying to do it a s a sing map reduce job.  When your data sets get very large you will have p roblems.........   ...
   Author: Michel Segel, 2011-06-09, 12:09
Re: using HBase to read from xml files in HDFS - HBase - [mail # user]
...James, yes you can do it. You need to write your own input format to split each input on a specified t ag boundary.  Sent from a remote device. Please excuse any typos...  Mike Seg...
   Author: Michel Segel, 2011-06-03, 12:01
Re: HBase Transaction per second in Map-Reduce - HBase - [mail # user]
...You could, but you don't really need to do that. Of course the size of your cache is tunable and based on how much memory you  have. On a side note... You said you're on CDH3, it doesn'...
   Author: Michel Segel, 2011-05-24, 21:21
Re: How to speedup Hbase query throughput - HBase - [mail # user]
...Ok. This why I asked you earlier about how you were generating your user ids.  You're not going to get a good distribution.  First, random numbers usually aren't that random.  ...
   Author: Michel Segel, 2011-05-20, 06:15
Re: Hmaster is OutOfMemory - HBase - [mail # user]
...filesize , parallel scalability will be low and affect scan latency . rashed?   Hi,  From what everyone I've talked with, a rule of thumb is to have no more th an 1000 regions per ...
   Author: Michel Segel, 2011-05-12, 10:47
Re: Row count without iterating over ResultScanner? - HBase - [mail # user]
...Hi, There's a row counter app in the hbase release that's a m/r job.  You could also do a dynamic counter too.   Sent from a remote device. Please excuse any typos...  Mike Se...
   Author: Michel Segel, 2011-05-01, 14:44
Re: debugging a possible long garbage collection - HBase - [mail # user]
...+1 on Todd's GC stuff. I just implemented it and it looks like there's a bit  of improvement.  I'm still early on in my testing...  Sent from a remote device. Please excuse an...
   Author: Michel Segel, 2011-04-29, 11:36
Re: Hardware configuration - HBase - [mail # user]
...Heterogeneous clusters aren't really a good idea. I wouldn't recommend it.   Sent from a remote device. Please excuse any typos...  Mike Segel  On Apr 29, 2011, at 6:05 AM, Iu...
   Author: Michel Segel, 2011-04-29, 11:30
Re: HTable.put hangs on bulk loading - HBase - [mail # user]
...How many regions on a region server? Table splits? GC tuning parameters? HBase heap size?  All of these qustions could be important...  Sent from a remote device. Please excuse any...
   Author: Michel Segel, 2011-04-26, 15:43
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