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Re: hbase table as a queue. - HBase - [mail # user]
...All excellent points here in terms of tuning!  For the higher-level question about using a table as a queue, I just wanted to add in a link to the Lily guys' rowlog library, since it do...
   Author: Gary Helmling, 2011-07-19, 18:27
Re: hbase + lucene? - HBase - [mail # user]
...I wasn't at the day-after presentation, but I believe these are the slides?  https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2c-FWyLSJBCN2E5MTdmOGMtY2U5NS00NmEwLWE2N...
   Author: Gary Helmling, 2011-07-19, 18:20
Re: HBase and Hadoop 0.20-security-append - HBase - [mail # user]
...On Mon, Jul 18, 2011 at 9:25 AM, David Capwell wrote:  Yes, if you have HDFS security enabled (hadoop.security.authentication=kerberos), you will need these configuration entries (and a...
   Author: Gary Helmling, 2011-07-18, 17:29
Re: Retry HTable.put() on client-side to handle temp connectivity problem - HBase - [mail # dev]
...I'd also be wary of changing the default to retry forever.  This might be hard to differentiate from a hang or deadlock for new users and seems to violate "least surprise".  In man...
   Author: Gary Helmling, 2011-06-28, 16:17
Re: Keytabs and secure hadoop - HBase - [mail # user]
...Hi Francis,  First a word of warning -- Hadoop 0.20.203 does not include the append support that HBase needs to avoid data loss in the case of region server failure.  I'd _strongly...
   Author: Gary Helmling, 2011-06-20, 18:18
Re: any multitenancy suggestions for HBase? - HBase - [mail # user]
...Hi Bill,  The current security code supports per-column-qualifier ACLs, though not the pattern matching approach you describe.  It's simply an exact match on column qualifier. &nbs...
   Author: Gary Helmling, 2011-06-20, 17:56
Help with 0.92 new feature list - HBase - [mail # dev]
...Hi folks,  As part of my presentation for Hadoop Summit, I'd like to include a slide highlighting new features or major improvements in 0.92.  I've admittedly had my head in coproc...
   Author: Gary Helmling, 2011-06-05, 10:23
Re: modular build and pluggable rpc - HBase - [mail # dev]
...On Tue, May 31, 2011 at 1:22 PM, Stack  wrote:  I'd be in favor of starting simply as well.  Something like:  - common - client - server - security  or even combine ...
   Author: Gary Helmling, 2011-05-31, 22:47
Re: BBUZZ Berlin Sightseeing? - HBase - [mail # dev]
...I'd be up for it as well.  I arrive Saturday the 4th, so Sunday would be good.  Any chance of a bigger bus if we wind up with more than 9 people?    On Thu, May 26, 2011 ...
   Author: Gary Helmling, 2011-05-26, 21:38
Re: Any trigger like facility for HBase tables - HBase - [mail # user]
...Yes, there's no separate insert/update distinction in HBase.  Both are simply handled as Puts.  For the hooks exposed to coprocessors during regular data operations, see: http://sv...
   Author: Gary Helmling, 2011-05-26, 18:20
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