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Re: Parent/child relation - go vertical, horizontal, or many tables? - HBase - [mail # user]
...I such case I think that you can use tall tables with parent:child keys and filters or range scans to get childrens.  You queries will be: -Fetch all children from a single parent  ...
   Author: Andrey Stepachev, 2011-02-11, 09:46
Re: Determining the unqiue row keys for Hbase table - HBase - [mail # user]
...You can use HTable.incrementColumnValue. Of cource you can increment in steps (f.e. 100) and reduce amount of rpc generetated by you MR jobs.  2011/2/7 som_shekhar  ...
   Author: Andrey Stepachev, 2011-02-08, 21:03
[expand - 8 more] - Re: Java Commited Virtual Memory significally larged then Heap Memory - HBase - [mail # user]
...No, I use only malloc env var, and I set it (as suggested before) into hbase-env.sh, and it looks like it eats more less memory (in my case 4.7G v s 3.3G with 2Gheap)  2011/1/12 Friso v...
   Author: Andrey Stepachev, 2011-01-12, 11:05
[expand - 1 more] - Re: problem with LZO compressor on write only loads - HBase - [mail # user]
...Yes, I tried.  2011/1/12 Sandy Pratt  ...
   Author: Andrey Stepachev, 2011-01-12, 04:49
[expand - 2 more] - Re: How to rename table's family name - HBase - [mail # user]
...Stack, I don't think, that I know good solution, but I see some possible way how this can be implemented.  I think, that rename should be atomic (in case of schema in zookeeper, it is p...
   Author: Andrey Stepachev, 2011-01-10, 23:02
[expand - 4 more] - Re: question about merge-join (or AND operator betwween colums) - HBase - [mail # user]
...2011/1/9 Jack Levin    It depends on selectivity of your photo column. If it is rare case (1% of rows has fotos), it is more wise to scan only photo family and then get another fam...
   Author: Andrey Stepachev, 2011-01-10, 22:46
[expand - 1 more] - Re: Insert into tall table 50% faster than wide table - HBase - [mail # user]
...2010/12/23 Ted Dunning    Opps. :).  Maybe you put more data? Do you using compression? (in case of prefixed qualifiers you get more data, that uuid can has comparable length ...
   Author: Andrey Stepachev, 2010-12-23, 09:57
[expand - 6 more] - Re: HBase Client connect to remote HBase - HBase - [mail # user]
...2010/12/23 King JKing    Yes. Propblem is in incorrect dns/hosts configuration. Remote client can't reach your server, because HBase uses incorrect address.  ...
   Author: Andrey Stepachev, 2010-12-23, 09:21
Re: HBase filter in scan - HBase - [mail # user]
...Not very easy, but using jRuby and java api, you can. But it is very depend on how you store you data.   ## function converts any value to bytes (using Bytes class methods) def toBytes(...
   Author: Andrey Stepachev, 2010-12-13, 20:28
Re: HBase cluster with heterogeneous resources - HBase - [mail # user]
...https://issues.apache.org/jira/browse/HDFS-236  How bad is HDFS random access?     - Random access in HDFS always seemed to have bad PR though hardly anyone    used ...
   Author: Andrey Stepachev, 2010-10-17, 07:59
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