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Re: Scan performance on a big table as combination of multiple logic tables - HBase - [mail # dev]
...Hi Thomas,  The issue with combining multiple tables into different CFs of one table is that the tables will get tied together for flush/compact operations. If the workload between them...
   Author: Todd Lipcon, 2012-02-15, 22:02
Re: Improving HBase read performance (based on YCSB) - HBase - [mail # user]
...Yep, definitely bound on seeks - see the 100% util, and the r/s >100. The bandwidth provided by random IO from a disk is going to be much smaller than the sequential IO you see from hdpar...
   Author: Todd Lipcon, 2012-02-15, 03:39
Re: loading Hadoop native libraries in HBase unit tests - HBase - [mail # dev]
...On Mon, Feb 13, 2012 at 11:21 AM, Mikhail Bautin  wrote: JVM  Sort of, except the compilation process differs based on the version - eg newer versions use Maven to build instead. &...
   Author: Todd Lipcon, 2012-02-13, 19:41
Re: On 'routs' and traackr - HBase - [mail # user]
...Regardless of Traackr or whatever mud/fud the Hypertable folks want to sling, let's not lose focus on what we're doing: building the most scalable, solid, data storage system out there. &nbs...
   Author: Todd Lipcon, 2012-02-09, 00:16
Re: ANN: 0.90.6 RC3 available for download - HBase - [mail # dev]
...On Mon, Feb 6, 2012 at 8:37 PM, Jonathan Hsieh  wrote:  Regarding signatures: if another committer reviews the release and is willing to stand by it, that committer can sign the ar...
   Author: Todd Lipcon, 2012-02-07, 05:11
Re: "89-fb" patches and HBase development workflow at Facebook - HBase - [mail # dev]
...Hi Mikhail,  What you ask makes sense from your perspective but is difficult from the community perspective. We're not familiar with your code base, so it can be difficult to do a quali...
   Author: Todd Lipcon, 2012-02-06, 19:52
Re: hbase 0.94.0 - HBase - [mail # dev]
...On Sun, Jan 29, 2012 at 7:30 AM, Ted Yu  wrote: sh  If it's a time-based release, then there's nothing to discuss. Either it's done in time, in which case it's part of 94, or it's ...
   Author: Todd Lipcon, 2012-01-30, 18:44
Re: rethinking zookeeper version - HBase - [mail # dev]
...At one point I had proposed making the ZK dependency switch only for the security profile in the pom. The ZK 3.4.x series has been buggy so far  - I'm sure it will stabilize within mont...
   Author: Todd Lipcon, 2012-01-27, 15:23
Re: ANN: The fifth hbase 0.92.0 release candidate is available for download - HBase - [mail # dev]
...+1. I have been running a small 0.92.0 on top of a build off of the HA HDFS branch (HDFS-1623 from tip of SVN and a bit ahead of that). Seems to work pretty well, though I have only tested a...
   Author: Todd Lipcon, 2012-01-21, 09:59
Re: code review: HBASE-5231 Backport HBASE-3373 (per-table load balancing) to 0.92 - HBase - [mail # dev]
...On Fri, Jan 20, 2012 at 10:04 AM, Ted Yu  wrote:  IMO we should push it to 0.94.0. Point releases should be for minor improvements and bug fixes. The fact that we divert so much en...
   Author: Todd Lipcon, 2012-01-20, 18:07
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