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Re: Does compression ever improve performance? - HBase - [mail # user]
...That works since you don’t need a region to be splittable… On Jun 14, 2014, at 4:36 PM, Kevin O'dell  wrote: ...
   Author: Michael Segel, 2014-06-16, 21:31
[expand - 4 more] - Re: Timestamp resolution - HBase - [mail # dev]
...Even then you need to sync the clocks. And that’s a trick in itself unless you have a way to jury rig a GPS and radio antenna to the nodes in the data center. ;-) On Jun 16, 2014, at 8:19 PM...
   Author: Michael Segel, 2014-06-16, 21:30
[expand - 1 more] - Re: White papers/Solution implemented to use HIVE/HBASE as OLTP - HBase - [mail # user]
...So how do you handle isolation? Dirty reads? The point is that you can have scenarios where data exists yet is missing from other queries. On Jun 11, 2014, at 4:27 AM, Tapper, Gunnar  w...
   Author: Michael Segel, 2014-06-11, 21:08
[expand - 1 more] - Re: How to make HBase survive a laptop standby - HBase - [mail # dev]
...St.Ack,"I just realized that, for years, I've been countlessly restarted hbase every time my laptop gets out of standby.I know well why I do this, but I also know I could probably not do it ...
   Author: Michael Segel, 2014-06-06, 21:20
[expand - 1 more] - Re: HBase export limit bandwith - HBase - [mail # user]
...I guess you could say snap shot as in a point in time M/R job that exports all of the rows in the table before a specified time X which could default to the start time of the job. Since you'...
   Author: Michael Segel, 2014-06-05, 22:08
Re: Gathering opinions and recommendations - HBase - [mail # dev]
...Isn’t HDP 2.1 shipping 0.98.x ?On May 27, 2014, at 8:36 PM, Vladimir Rodionov  wrote: ...
   Author: Michael Segel, 2014-05-27, 20:11
[expand - 10 more] - Re: On coprocessor API evolution - HBase - [mail # dev]
...Todd, I’m saying that you’re raising a straw man. Now correct me if I’m wrong… but coprocessor code is split in to two camps. One is System coprocessors which are defined in the hbase-site.x...
   Author: Michael Segel, 2014-05-22, 21:28
Re: Any lessons from hbase deployments on on-premise products ? - HBase - [mail # user]
...On May 20, 2014, at 3:24 PM, Venkat  wrote:Yes.Every client is different. YMMV. You need to lock down certain functions, and you need to lock down certain tunable parameters. HBase isn’...
   Author: Michael Segel, 2014-05-21, 12:14
[expand - 4 more] - Re: Prefix salting pattern - HBase - [mail # user]
...You run n scans in parallel. You want a single result set in sort order. How do you do that? (Rhetorical) That’s the extra work that you don’t have when you have a single result set. This go...
   Author: Michael Segel, 2014-05-19, 18:39
[expand - 1 more] - Re: hbase key design to efficient query on base of 2 or more column - HBase - [mail # user]
...The point is that choosing a field that has a small finite set of values is not a good candidate for indexing using an inverted table or b-tree etc … I’d say that you’re actually going to be...
   Author: Michael Segel, 2014-05-19, 09:41
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