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Re: Code review request for hbase-4120 table priority - HBase - [mail # dev]
...I think we should be really careful here because a laissez-fare attitude will keep the project from reaching a new level of maturity.  There are a number of committers from various comp...
   Author: Nicolas Spiegelberg, 2011-12-13, 03:12
Re: major compaction and regionserver failure... - HBase - [mail # user]
...Andy,  Some detail on the current compaction algorithm.  Major compactions can be triggered in 3 ways:  1) User requested : e.g. From the shell 2) Size based : compact when fi...
   Author: Nicolas Spiegelberg, 2011-12-11, 20:46
Re: Rename "book" to "manual", redux - HBase - [mail # dev]
...+1  On 12/5/11 4:28 PM, "Doug Meil"  wrote:  ...
   Author: Nicolas Spiegelberg, 2011-12-06, 02:29
Re: SequenceFileLogReader uses a reflection hack resulting in runtime failures - HBase - [mail # dev]
...I think it's good to remove the reflection when we can, more because it's easier to catch compile-time errors than run-time.  The perf is negligible when you cache.  As I recall, t...
   Author: Nicolas Spiegelberg, 2011-12-02, 16:39
Re: Region Splits - HBase - [mail # user]
...The downside of hashing is not that it's unpredictable, but that it's non-reversible (which is why you need to append the original key). Reversing should be fine, just make sure that you per...
   Author: Nicolas Spiegelberg, 2011-11-23, 17:18
Re: on HBase 1.0 - HBase - [mail # dev]
...-User : this is really a core dev technical treatise :)  Some things to think about before we collaborate next Tuesday.  I think some questions need to be really clearly understood...
   Author: Nicolas Spiegelberg, 2011-11-21, 16:31
Re: region size/count per regionserver - HBase - [mail # user]
...Region Scalability is definitely an investigation item that has not been covered yet.  We solved the problem with horizontal sharding into multiple clusters instead of tackling that sub...
   Author: Nicolas Spiegelberg, 2011-11-03, 02:55
Re: patch maturity and HBase release Was: HBASE-4120 table level priority - HBase - [mail # dev]
...I agree with Todd's sentiments on unnecessarily coupling feature priority with the availability of a patch.  There's patches that we've developed internally, then threw away because we ...
   Author: Nicolas Spiegelberg, 2011-11-03, 00:12
Re: Commit Log format - HBase - [mail # dev]
...To kick a dead horse, coupling the code diff with the CHANGES.txt alteration is also a massive PITA because its much harder to run 'git cherry-pick' across branches with it.  It's far e...
   Author: Nicolas Spiegelberg, 2011-11-01, 23:13
Re: pre splitting tables - HBase - [mail # user]
...Basically, the default table create is 1 region per table that can only go to 1 RS.  Splits happen on that region when it gets large enough, but balancing the new region to another serv...
   Author: Nicolas Spiegelberg, 2011-10-25, 20:02
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