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Re: HBase tunning - HBase - [mail # user]
...Depends.  What sort of system are you tuning?   Sorry, but we have to start somewhere and if we don't know what you have  in terms of hardware, we don't have a good starting p...
   Author: Michael Segel, 2012-10-06, 00:54
Re: Lucene instead of HFiles? - HBase - [mail # user]
...Actually I think you'd want to do the reverse.  Store your Lucene index in HBase. Which is what we did a while back.   This could be extended to SOLR, but we never had time to do i...
   Author: Michael Segel, 2012-10-05, 11:14
[expand - 2 more] - Re: ways to make orders when it puts - HBase - [mail # user]
...You need to be a bit more specific.  Your design doesn't make any sense and you're now starting a separate  thread on this topic...  On Oct 4, 2012, at 8:58 PM, Henry JunYoung...
   Author: Michael Segel, 2012-10-05, 10:58
Re: long garbage collecting pause - HBase - [mail # user]
...You really don't want to go to 20GB.  Without knowing the number of regions... going beyond 1-2 GB may cause  more headaches than its worth.   Sorry, but I tend to be very cau...
   Author: Michael Segel, 2012-10-02, 14:23
Re: HAcid: multi-row transactions in HBase - HBase - [mail # user]
...Interesting.  So how do you manage the transaction?  On the client or on the cluster?  On Oct 1, 2012, at 6:12 PM, de Souza Medeiros Andre   wrote:  on. ACID transac...
   Author: Michael Segel, 2012-10-01, 23:16
[expand - 1 more] - Re: Regarding rowkey - HBase - [mail # user]
...MD5 should work, SHA-1 while theoretically may have a collision, it  hasn't been found.  Then there's SHA-2...  I don't disagree with your assertion, however... it causes the ...
   Author: Michael Segel, 2012-09-12, 16:49
Re: Optimizing table scans - HBase - [mail # user]
...How much memory do you have?  What's the size of the underlying row?  What does your network look like? 1GBe or 10GBe?  There's more to it, and I think that you'll find that Y...
   Author: Michael Segel, 2012-09-12, 13:04
Re: Doubt in performance tuning - HBase - [mail # user]
...Well,   Lets actually skip a few rounds of questions... and start from the  beginning.   What does your physical cluster look like?   On Sep 10, 2012, at 12:40 PM, Ramasu...
   Author: Michael Segel, 2012-09-10, 19:13
Re: Tracking down coprocessor pauses - HBase - [mail # user]
...On Sep 10, 2012, at 12:32 PM, Tom Brown  wrote:   Could you expand on this? On the surface, this doesn't sound like a very  good idea.  ...
   Author: Michael Segel, 2012-09-10, 18:45
[expand - 2 more] - Re: Key formats and very low cardinality leading fields - HBase - [mail # user]
...Uhm...   This isn't very good.  In terms of inserting, you will hit a single or small subset of regions.    This may not be that bad if you have enough data and the rows ...
   Author: Michael Segel, 2012-09-05, 03:04
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB