Upcall iPhone automiscorrect
On Dec 7, 2011, at 5:55 AM, Andrew Purtell <[email protected]> wrote: > I need to review this code. > > That said, why couldn't this be handled by a postOpen up all? > > Best regards, > > - Andy > > > On Dec 7, 2011, at 5:24 AM, Ted Yu <[email protected]> wrote: > >> Modified subject to match future discussion. >> >> Andy: >> In the latest patch for HBASE-4120, HRegionServer.addToOnlineRegions() is >> used to refresh region priority. >> Do you think RegionCoprocessorHost should be enhanced with more hooks, such >> as preAddToOnlineRegions() ? >> >> Thanks >> >> On Tue, Dec 6, 2011 at 12:50 PM, Andrew Purtell <[email protected]> wrote: >> >>> Also. I was going to start separate threads but probably there is not that >>> much to discuss now or off-JIRA: >>> >>> - I spoke with Jia Liu about HBASE-4120. After 0.92 is out I intend to >>> champion / mentor / co-develop 4120 and the follow on table allocation work >>> and target 0.94 for it. I think the RPC QoS aspect is not too >>> controversial. The allocation/reservation aspects I'd like to aim for a >>> coprocessor or at least master plugin based integration so they won't >>> impact stability for users who don't enable it. Unlike RPC QoS I suspect >>> the changes needed to core can be minimized to coprocessor framework >>> additions. Follow up in new JIRAs soon. >>> >>> - I also met with the author of "CCIndex". He is still interested in >>> pursuing an upstreaming of this but may not have a lot of free time. The >>> current implementation powers the data cube product at Taobao with half a >>> million users IIRC, but the implementation is an invasive hack of the 0.20 >>> core code. I think the vast majority of it is an application layer concern >>> that can be moved to a coprocessor implementation. The coprocessor >>> framework will need some modification as well, specifically hooks for >>> handling IOEs taken on HFile reads. Anyway I'm going to play around with >>> this and follow up with a JIRA. >>> >>> Best regards, >>> >>> - Andy >>> >>> >>> On Dec 7, 2011, at 4:00 AM, Andrew Purtell <[email protected]> wrote: >>> >>>> I also attended day 1 of Hadoop in China and would add these notes: >>>> >>>> - Taobao has their own HA NameNode and is interested in contributing >>> their changes upstream. I spoke with a platform dev lead. I told him do so >>> now while HA is under active development rather than wait and miss an >>> opportunity to participate/contribute. I need to follow up with him with a >>> list of active HA jiras. >>>> >>>> - Mingjie Lai presented on HBase and ZooKeeper security. I'll ask him to >>> upload his slides somewhere. >>>> >>>> >>>> Best regards, >>>> >>>> >>>> - Andy >>>> >>>> Problems worthy of attack prove their worth by hitting back. - Piet Hein >>> (via Tom White) >>>> >>>> >>>> ----- Original Message ----- >>>>> From: Todd Lipcon <[email protected]> >>>>> To: [email protected] >>>>> Cc: >>>>> Sent: Wednesday, December 7, 2011 2:59 AM >>>>> Subject: Re: trip report for Hadoop In China >>>>> >>>>> Ah, I clicked on "hadooper.cn" directly instead of the earlier link to >>>>> the agenda. Oops :) >>>>> >>>>> Maybe you can put them in a public S3 bucket? >>>>> >>>>> -Todd >>>>> >>>>> On Tue, Dec 6, 2011 at 10:56 AM, Ted Yu <[email protected]> wrote: >>>>>> From http://hic2011.hadooper.cn/dct/page/1 (the first two lines): >>>>>> Slides would be posted after getting permission from presenters >>>>>> >>>>>> I can share my slides. My attempt at uploading ppt to slideshare >>> failed and >>>>>> I don't have PRO account. >>>>>> >>>>>> I think apache.org would filter attachment. >>>>>> >>>>>> Suggestion on where I can put my slides would be appreciated. >>>>>> >>>>>> On Tue, Dec 6, 2011 at 10:39 AM, Todd Lipcon <[email protected]> >>>>> wrote: >>>>>> >>>>>>> Hey Ted, >>>>>>> >>>>>>> Thanks for the trip report. Interesting stuff. >>>>>>> >>>>>>> For those of us who can't read mandarin, can you link directly to >>>>> any >>>>>>> english slide decks? The hadooper.cn link seems to go to an empty >>> wiki >>>>>>> template page or something, if I understand Google Translate correctly >>>>>>> :) >>>>>>> >>>>>>> -Todd >>>>>>> >>>>>>> On Tue, Dec 6, 2011 at 10:36 AM, Ted Yu <[email protected]> >>>>> wrote: >>>>>>>> Hi, >>>>>>>> There were around 1000 attendees for the first day of HiC. >>>>>>>> The enthusiasm for cloud computing, hadoop in particular, was >>>>>>> overwhelming. >>>>>>>> >>>>>>>> Doug Cutting's keynote was well received by attendees. >>>>>>>> **Grzegorz's presentation about latest development @ Google, >>>>> Pregel in >>>>>>>> particular, was impressive. >>>>>>>> Xiaodong Zhang's keynote about DOT, an analytical model, was >>>>> interesting. >>>>>>>> >>>>>>>> I listened to several presentations. Here're a few: >>>>>>>> >>>>>>>> Zheng Shao talked about Puma3 architecture which his group >>>>> developed at >>>>>>>> Facebook >>>>>>>> Jerry and Liyin talked about how Facebook messaging uses Hbase. >>>>> Jerry >>>>>>>> covered some best practices in using Hbase. Liyin talked about >>>>> some >>>>>>>> features developed by their team, including Hfile V2, new bloom >>>>> filters, >>>>>>> etc >>>>>>>> Jinglong Liu from Baidu talked about how his team implemented >>>>> compression >>>>>>>> in hdfs (this is not RAID). >>>>>>>> >>>>>>>> I met with developers / managers from Taobao, Huawei, Renren >>>>> (Chinese >>>>>>>> version of Facebook), etc and shared experience using HBase. >>>>>>>> >>>>>>>> You can find the complete listing of talks here: >>>>>>>> http://hic2011.hadooper.cn/dct/page/65580 >>>>>>>> >>>>>>>> On my way back, I met Doug Cutting at the airport. >>>>>>>> He endorsed the idea of promoting committers from China so that >>>>> hadoop >>>>>>>> community would have organic growth. >>>>>>>> >>>>>>>> I didn't take detailed notes. So please find the slides from >>>>> hadooper.cn >>>>>>>> >>>>>>>> Thanks >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Todd Lipcon >>>>>>> Software Engineer, Cloudera >>>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Todd Lipcon >>>>> Software Engineer, Cloudera >>>>> >>>
