Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E41F31871C for ; Wed, 12 Aug 2015 19:29:44 +0000 (UTC) Received: (qmail 19780 invoked by uid 500); 12 Aug 2015 19:29:44 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 19698 invoked by uid 500); 12 Aug 2015 19:29:44 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 19682 invoked by uid 99); 12 Aug 2015 19:29:43 -0000 Received: from Unknown (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Aug 2015 19:29:43 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 20CB31A9E83 for ; Wed, 12 Aug 2015 19:29:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 3.001 X-Spam-Level: *** X-Spam-Status: No, score=3.001 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.001, HTML_MESSAGE=3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=disabled Authentication-Results: spamd2-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-eu-west.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id n3GnS5SowjEx for ; Wed, 12 Aug 2015 19:29:13 +0000 (UTC) Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [209.85.212.180]) by mx1-eu-west.apache.org (ASF Mail Server at mx1-eu-west.apache.org) with ESMTPS id 519A637316 for ; Wed, 12 Aug 2015 19:29:12 +0000 (UTC) Received: by wicne3 with SMTP id ne3so113049972wic.0 for ; Wed, 12 Aug 2015 12:29:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=L9ylNnkxhFG3+vnh8t5irmsxAwyEeKSoHWZGGoOntgw=; b=ls8Ay4Mt7z5iPsWpzdXsRqnq7ILYBStXHoYQHMZz+8kGstSNzJ863puITwqmlbn7SX 8uEo10LDktEbcyNrnbWT/POr9WAP1bT7ijNxSUCP8zsyFm2vDbPWt2vz/OmlMoWUQ7j7 3rgexMrpnRnkNFu1HRojcYSB2pXw+8UswczEv2oB5g1Rw6nVaT53sf1iov1GTAOjIfpt q4qx9KFlmw/I+LARSEDEApAGzkdxnsDve5k+d0aApvYK3bms3B1sFCIgsXJG+StXKEZF MWJOZ+A58rzi6Qf6MnlHogw31eU7Mf4fnsiCRMxwmXVp36YNglzOXbLM2x0cjyaJ6Skj bfFg== MIME-Version: 1.0 X-Received: by 10.180.24.40 with SMTP id r8mr52401402wif.13.1439407752041; Wed, 12 Aug 2015 12:29:12 -0700 (PDT) Sender: saint.ack@gmail.com Received: by 10.28.58.73 with HTTP; Wed, 12 Aug 2015 12:29:11 -0700 (PDT) In-Reply-To: References: Date: Wed, 12 Aug 2015 12:29:11 -0700 X-Google-Sender-Auth: STmlpSytuO3eQpXuSW_i5X0bNeo Message-ID: Subject: Re: DISCUSSION: lets do a developer workshop on near-term work From: Stack To: HBase Dev List Cc: Stephen Jiang Content-Type: multipart/alternative; boundary=f46d043c805abf590a051d223b39 --f46d043c805abf590a051d223b39 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I posted this meetup notice: http://www.meetup.com/hackathon/events/224589819/ St.Ack On Wed, Aug 12, 2015 at 1:34 AM, Enis S=C3=B6ztutar wrote= : > Agreed, too many fat topics, but all important. I guess we can spend firs= t > 10-20 mins on the agenda based on who is in the room and come up with a > shorter list and go from there. > > Enis > > On Tue, Aug 11, 2015 at 9:23 PM, Stack wrote: > > > On Mon, Jul 20, 2015 at 1:04 PM, Stephen Jiang > > wrote: > > > > > [Let us move back to the main topic - a meeting to talk about the nex= t > > > direction on HBASE development] > > > > > > Are we firm on the *August 26th* meeting date? > > > > > > Given the long list of topics from St.Ack, even a one day meeting mig= ht > > > not cover all of them (in depth). We need to either trim the topic > list > > or > > > limit the time to discuss a single topic (30 min for one topic > enough?). > > > > > > > > Thanks for bringing us back to topic Stephen. > > > > Yes, lets do 26th. Speak up if this does not suit. I will file a meetup > > page in an hour or so. Where should we do it? Enis offered his nice > place. > > Could try and get space at ours too... in Palo Alto (less 'deep south',= a > > little easier for the SFers). > > > > As to too many topics, in my experience, a bunch of smelly engineers al= l > in > > a room starts to fall apart after a couple of hours especially when > ranging > > discussion. Suggest we cut the time-per-topic and list of topics so can > do > > in an afternoon. If some topics are too fat, can do break out or put-of= f > to > > another day and smaller, interested group. > > > > St.Ack > > > > > > > > > > > Thanks > > > Stephen > > > > > > > > > On Mon, Jul 20, 2015 at 9:50 AM, Anoop John > > wrote: > > > > > >> We will be doing some more large data tests in coming week Andy.. > Will > > >> report back more. Also will do a write up , in what all ways the wo= rk > > >> might help us. As Sean said, we will continue in another thread if > any > > >> thing further.. Will soon write back on the test result. Thanks. > > >> > > >> -Anoop- > > >> > > >> On Mon, Jul 20, 2015 at 9:59 PM, Andrew Purtell < > > andrew.purtell@gmail.com > > >> > > > >> wrote: > > >> > > >> > Cool, thanks. > > >> > > > >> > Is a 20% latency reduction the most we can expect or do you think > > there > > >> is > > >> > room for more improvement? Just curious. > > >> > > > >> > Is latency reduction the only goal? Anything here about supporting > > >> larger > > >> > heaps? Is there something we can measure in that regard? > > >> > > > >> > Hope you see my point and there's enough here to prime a goals and > > >> metrics > > >> > discussion at the pow wow or on the relevant JIRAs. > > >> > > > >> > > On Jul 20, 2015, at 4:43 AM, ramkrishna vasudevan < > > >> > ramkrishna.s.vasudevan@gmail.com> wrote: > > >> > > > > >> > > Hi Andy > > >> > > > > >> > > Based on our POCs done, we expect around 20% improvement in > latency. > > >> For > > >> > > scans it will be little lesser than 20%. > > >> > > > > >> > > Regards > > >> > > Ram > > >> > > > > >> > > > > >> > > On Sun, Jul 19, 2015 at 10:20 AM, Andrew Purtell < > > >> > andrew.purtell@gmail.com> > > >> > > wrote: > > >> > > > > >> > >> Hi Ram, > > >> > >> > > >> > >> Do you have any targets for what you are measuring? What are th= e > > >> goals > > >> > you > > >> > >> guys are working toward with the off heaping changes? > > >> > >> > > >> > >> > > >> > >>>> On Jul 18, 2015, at 9:16 PM, ramkrishna vasudevan < > > >> > >>> ramkrishna.s.vasudevan@gmail.com> wrote: > > >> > >>> > > >> > >>> Thanks Vladimir. > > >> > >>> Yeah, the reports that were attached specifically captured the > > >> 95/99th > > >> > >>> percentile. > > >> > >>> The reason for checking the server side perf was to specifical= ly > > see > > >> > the > > >> > >>> improvement in the server side and also the client was sending > > large > > >> > >>> results in multiple threads. So wanted to avoid the n/w > > >> interference. I > > >> > >>> think it was a general practice that we were following. > > >> > >>> We Wil do some more tests and get some latest readings with > bigger > > >> data > > >> > >>> sets. > > >> > >>> Sent from mobile. > > >> > >>>> On Jul 19, 2015 1:05 AM, "Andrew Purtell" < > > >> andrew.purtell@gmail.com> > > >> > >> wrote: > > >> > >>>> > > >> > >>>> +1 > > >> > >>>> > > >> > >>>> Yeah, something like that, with aspirational targets for > > >> improvement > > >> > >> from > > >> > >>>> current releases. Then what to measure, the tests to run, and > > >> criteria > > >> > >> for > > >> > >>>> evaluation are clear and organized and we're able to better > > assess > > >> how > > >> > >> the > > >> > >>>> work in progress is meeting its goals (or not) > > >> > >>>> > > >> > >>>> > > >> > >>>> > > >> > >>>> On Jul 18, 2015, at 12:05 PM, Vladimir Rodionov < > > >> > vladrodionov@gmail.com > > >> > >>> > > >> > >>>> wrote: > > >> > >>>> > > >> > >>>>>>> Umbrella jira to make sure we can have blocks cached in > > offheap > > >> > >> backed > > >> > >>>>> cache. In the entire read path, we can refer to this offheap > > >> buffer > > >> > and > > >> > >>>>> avoid onheap copying. > > >> > >>>>> > > >> > >>>>> I think, on a read path, the most important improvement we > could > > >> > >> imagine > > >> > >>>> is > > >> > >>>>> elimination or reducing of object creations (KVs, iterators > > etc). > > >> > >>>>> object reuse, byte buffers reuse or offheap buffers reuse, A= PI > > >> change > > >> > >>>> etc. > > >> > >>>>> If this is a part of this JIRA, then I would easily define a > > goal: > > >> > >>>>> improving 95/99% latency of a read operations. Not > performance, > > >> but > > >> > >>>> latency > > >> > >>>>> matters > > >> > >>>>> > > >> > >>>>> -Vlad > > >> > >>>>> > > >> > >>>>> > > >> > >>>>> > > >> > >>>>> On Sat, Jul 18, 2015 at 11:24 AM, Andrew Purtell < > > >> > >>>> andrew.purtell@gmail.com> > > >> > >>>>> wrote: > > >> > >>>>> > > >> > >>>>>> That's not a realistic or useful test scenario, unless the > goal > > >> is > > >> > to > > >> > >>>>>> accelerate queries where all cells are filtered at the > server. > > >> > >>>>>> > > >> > >>>>>> > > >> > >>>>>> > > >> > >>>>>>> On Jul 18, 2015, at 11:02 AM, Anoop John < > > anoop.hbase@gmail.com > > >> > > > >> > >>>> wrote: > > >> > >>>>>>> > > >> > >>>>>>> No Andy. 11425 having doc attached to it. At the end of it= , > we > > >> have > > >> > >>>> added > > >> > >>>>>>> perf numbers in a cluster testing. This was done using PE > get > > >> and > > >> > >> scan > > >> > >>>>>>> tests with filtering all cells at server (to not consider > n/w > > >> > >> bandwidth > > >> > >>>>>>> constraints) > > >> > >>>>>>> > > >> > >>>>>>> -Anoop- > > >> > >>>>>>> > > >> > >>>>>>> On Sat, Jul 18, 2015 at 9:30 PM, Andrew Purtell < > > >> > >>>>>> andrew.purtell@gmail.com> > > >> > >>>>>>> wrote: > > >> > >>>>>>> > > >> > >>>>>>>> We have some microbenchmarks, not evidence of differences > > seen > > >> > from > > >> > >> a > > >> > >>>>>>>> client application. I'm not saying that microbenchmarks a= re > > not > > >> > >>>> totally > > >> > >>>>>>>> necessary and a great start - they are - but that they > don't > > >> > measure > > >> > >>>> an > > >> > >>>>>> end > > >> > >>>>>>>> goal. Furthermore unless I've missed one somewhere we don= 't > > >> have a > > >> > >>>> JIRA > > >> > >>>>>> or > > >> > >>>>>>>> design doc that states a clear end goal metric like the > > >> strawman I > > >> > >>>> threw > > >> > >>>>>>>> together in my previous mail. A measurable system level > goal > > >> and > > >> > >> some > > >> > >>>>>> data > > >> > >>>>>>>> from full cluster testing would go a lot further toward > > letting > > >> > all > > >> > >> of > > >> > >>>>>> us > > >> > >>>>>>>> evaluate the potential and payoff of the work. In the > > meantime > > >> we > > >> > >>>> should > > >> > >>>>>>>> probably be assembling these changes on a branch instead = of > > in > > >> > >> trunk, > > >> > >>>>>> for > > >> > >>>>>>>> as long as the goal is not clearly defined and the payoff > and > > >> > >>>> potential > > >> > >>>>>> for > > >> > >>>>>>>> perf regressions is untested and unknown. > > >> > >>>>>>>> > > >> > >>>>>>>> > > >> > >>>>>>>>> On Jul 18, 2015, at 8:05 AM, Anoop John < > > >> anoop.hbase@gmail.com> > > >> > >>>> wrote: > > >> > >>>>>>>>> > > >> > >>>>>>>>> Thanks Andy and Lars. The parent jira has doc attached > > which > > >> > >>>> contains > > >> > >>>>>>>> some > > >> > >>>>>>>>> perf gain numbers.. We will be doing more tests in next= 2 > > >> weeks > > >> > >>>>>> (before > > >> > >>>>>>>>> end of this month) and will publish them. Yes it will = be > > >> great > > >> > if > > >> > >>>> it > > >> > >>>>>> is > > >> > >>>>>>>>> more IST friendly time :-) > > >> > >>>>>>>>> > > >> > >>>>>>>>> -Anoop- > > >> > >>>>>>>>> > > >> > >>>>>>>>> On Fri, Jul 17, 2015 at 9:44 PM, Andrew Purtell < > > >> > >>>>>>>> andrew.purtell@gmail.com> > > >> > >>>>>>>>> wrote: > > >> > >>>>>>>>> > > >> > >>>>>>>>>>> I can represent your side Ram (and Anoop). I've been > known > > >> > always > > >> > >>>>>> argue > > >> > >>>>>>>>>> both side of a discussion and to never take sides easil= y > > >> (drives > > >> > >>>> some > > >> > >>>>>>>> folks > > >> > >>>>>>>>>> crazy). > > >> > >>>>>>>>>> > > >> > >>>>>>>>>> I can vouch for this (smile) > > >> > >>>>>>>>>> > > >> > >>>>>>>>>> I also can offer support for off heaping there. At the > same > > >> time > > >> > >> we > > >> > >>>> do > > >> > >>>>>>>>>> have a gap where we can't point to a timeline of > > improvements > > >> > >> (yet, > > >> > >>>>>>>> anyway) > > >> > >>>>>>>>>> with benchmarks showing gains where your goals need the= m. > > For > > >> > >>>> example, > > >> > >>>>>>>>>> stock HBase in one JVM can address max N GB for respons= e > > time > > >> > >>>>>>>> distribution > > >> > >>>>>>>>>> D; dev version of HBase in off heap branch can address > max > > >> N' GB > > >> > >> for > > >> > >>>>>>>>>> distribution D', where N' > N and D > D' (distribution = D' > > >> > >>>>>> statistically > > >> > >>>>>>>>>> shows better/lower response times). > > >> > >>>>>>>>>> > > >> > >>>>>>>>>> > > >> > >>>>>>>>>> > > >> > >>>>>>>>>>> On Jul 17, 2015, at 6:56 AM, lars hofhansl < > > >> larsh@apache.org> > > >> > >>>> wrote: > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> I'm in favor of anything that improves performance (an= d > > >> > >> preferably > > >> > >>>>>>>>>> doesn't set us back into a world that's worse than C du= e > to > > >> the > > >> > >> lack > > >> > >>>>>> of > > >> > >>>>>>>>>> pointers in Java).Never said "I don't like it", it's ju= st > > >> that > > >> > I'm > > >> > >>>>>>>> perhaps > > >> > >>>>>>>>>> asking for more numbers and justification in weighing t= he > > >> pros > > >> > and > > >> > >>>>>> cons. > > >> > >>>>>>>>>>> I can represent your side Ram (and Anoop). I've been > known > > >> > always > > >> > >>>>>> argue > > >> > >>>>>>>>>> both side of a discussion and to never take sides easil= y > > >> (drives > > >> > >>>> some > > >> > >>>>>>>> folks > > >> > >>>>>>>>>> crazy). And Stack's there too, he yell at me where need= ed > > :) > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> Perhaps we can do it a bit later in the evening so the= re > > is > > >> a > > >> > >>>>>> fighting > > >> > >>>>>>>>>> chance that folks on IST can participate. I know that > some > > of > > >> > our > > >> > >>>>>> folks > > >> > >>>>>>>> on > > >> > >>>>>>>>>> IST would love to participate in the backup discussion)= . > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> Like Enis, I'm also happy to host. We're in Downtown S= F. > > I'd > > >> > just > > >> > >>>>>> need > > >> > >>>>>>>>>> an approx. number of folks. > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> -- Lars > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> From: ramkrishna vasudevan < > > >> ramkrishna.s.vasudevan@gmail.com> > > >> > >>>>>>>>>>> To: "dev@hbase.apache.org" ; lar= s > > >> > >> hofhansl < > > >> > >>>>>>>>>> larsh@apache.org> > > >> > >>>>>>>>>>> Sent: Wednesday, July 15, 2015 10:10 AM > > >> > >>>>>>>>>>> Subject: Re: DISCUSSION: lets do a developer workshop = on > > >> > >> near-term > > >> > >>>>>> work > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> Hi > > >> > >>>>>>>>>>> What time will it be on August 26th? > > >> > >>>>>>>>>>> @LarsYa. I know that you are not generally in favour o= f > > this > > >> > >>>>>> offheaping > > >> > >>>>>>>>>> stuff. May be if we (from India) can attend this meeti= ng > > >> > remotely > > >> > >>>>>> your > > >> > >>>>>>>>>> thoughts can be discussed and also the current state of > > this > > >> > work. > > >> > >>>>>>>>>>> RegardsRam > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> On Wed, Jul 15, 2015 at 9:28 PM, lars hofhansl < > > >> > larsh@apache.org > > >> > >>> > > >> > >>>>>>>> wrote: > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> Works for me. I'll be back in the Bay Area the week of > > >> August > > >> > >> 9th. > > >> > >>>>>>>>>>> We have done a _lot_ of work on backups as well - ours > are > > >> more > > >> > >>>>>>>>>> complicated as we wanted fast per-tenant restores, so > data > > is > > >> > >>>>>> "grouped" > > >> > >>>>>>>> by > > >> > >>>>>>>>>> tenant. Would like to sync up on that (hopefully some o= f > > the > > >> > folks > > >> > >>>> who > > >> > >>>>>>>>>> wrote most of the code will be in town, I'll check). > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> Also interested in the "Time" and "offheap" parts > > (although > > >> you > > >> > >>>> folks > > >> > >>>>>>>>>> usually do not like what I think about the offheap > efforts > > >> :) ). > > >> > >>>>>>>>>>> Would like to add the following topics: > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> - "Timestamp Resolution". Or making space for more bit= s > in > > >> the > > >> > >>>>>>>>>> timestamps (happy to cover that, unless it's part of th= e > > >> "Time" > > >> > >>>> topic) > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> - "Replication". We found that replication cannot keep > up > > >> with > > >> > >> high > > >> > >>>>>>>>>> write loads, due to the fact that replicated is strictl= y > > >> single > > >> > >>>>>> threaded > > >> > >>>>>>>>>> per regionserver (even though we have multiple region > > >> servers on > > >> > >> the > > >> > >>>>>>>> sink > > >> > >>>>>>>>>> side) > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> - "Spark integration" (Ted Malaska?) > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> OK... Out now to make a "bullshit hat". > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> -- Lars > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> ________________________________ > > >> > >>>>>>>>>>> From: Sean Busbey > > >> > >>>>>>>>>>> To: dev > > >> > >>>>>>>>>>> Sent: Tuesday, July 14, 2015 7:11 PM > > >> > >>>>>>>>>>> Subject: Re: DISCUSSION: lets do a developer workshop = on > > >> > >> near-term > > >> > >>>>>> work > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> I'm planning to be in the Bay area the week of the 24t= h > of > > >> > >> August. > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> -- > > >> > >>>>>>>>>>> Sean > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>> > > >> > >>>>>>>>>>>> On Jul 14, 2015 7:53 PM, "Andrew Purtell" < > > >> > apurtell@apache.org> > > >> > >>>>>>>> wrote: > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> I can be up in your area in August. > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> On Tue, Jul 14, 2015 at 5:31 PM, Stack < > > stack@duboce.net > > >> > > > >> > >>>> wrote: > > >> > >>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> On Tue, Jul 14, 2015 at 3:39 PM, Enis S=C3=B6ztutar= < > > >> > >>>>>> enis.soz@gmail.com> > > >> > >>>>>>>>>>>>> wrote: > > >> > >>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> Sounds good. It has been a while we did the > talk-aton. > > >> > >>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> I'll be off starting 25 of July, so I prefer > something > > >> next > > >> > >> week > > >> > >>>>>> if > > >> > >>>>>>>>>>>>>> possible. > > >> > >>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> You ever coming back? If so, when? I'm back on 10th > of > > >> > August > > >> > >>>>>>>> (Mikhail > > >> > >>>>>>>>>>>> on > > >> > >>>>>>>>>>>>> the 20th). > > >> > >>>>>>>>>>>>> St.Ack > > >> > >>>>>>>>>>>>> > > >> > >>>>>>>>>>>>> > > >> > >>>>>>>>>>>>> > > >> > >>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>> Enis > > >> > >>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> On Tue, Jul 14, 2015 at 3:18 PM, Stack < > > >> stack@duboce.net> > > >> > >>>> wrote: > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> Matteo and I were thinking it time devs got togeth= er > > >> for a > > >> > >>>>>> pow-wow. > > >> > >>>>>>>>>>>>> There > > >> > >>>>>>>>>>>>>>> is a bunch of stuff in flight at the moment (see > below > > >> > list) > > >> > >>>> and > > >> > >>>>>> it > > >> > >>>>>>>>>>>>> would > > >> > >>>>>>>>>>>>>>> be good to meet and whiteboard, surface goodo idea= s > > that > > >> > have > > >> > >>>>>> gone > > >> > >>>>>>>>>>>>>> dormant > > >> > >>>>>>>>>>>>>>> in JIRA, or revisit designs/proposals out in > > >> JIRA-attached > > >> > >>>> google > > >> > >>>>>>>> doc > > >> > >>>>>>>>>>>>>> that > > >> > >>>>>>>>>>>>>>> need socializing. > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> You can only come if you are wearing your bullshit > > hat. > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> Topics we'd go over could include: > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> + Our filesystem layout will not work if 1M region= s > > >> > >>>>>> (Matteo/Stack) > > >> > >>>>>>>>>>>>>>> + Current state of the offheaping of read path and > > >> > alternate > > >> > >>>>>>>> KeyValue > > >> > >>>>>>>>>>>>>>> implementation (Anoop/Ram) > > >> > >>>>>>>>>>>>>>> + Append rejigger (Elliott) > > >> > >>>>>>>>>>>>>>> + A Pv2-based Assign (Matteo/Steven) > > >> > >>>>>>>>>>>>>>> + Splitting meta/1M regions > > >> > >>>>>>>>>>>>>>> + The revived Backup (Vladimir) > > >> > >>>>>>>>>>>>>>> + Time (Enis) > > >> > >>>>>>>>>>>>>>> + The overloaded SequenceId (Stack) > > >> > >>>>>>>>>>>>>>> + Upstreaming IT testing (Dima/Sean) > > >> > >>>>>>>>>>>>>>> + hbase-2.0.0 > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> I put names by folks I know could talk to the topi= c. > > If > > >> you > > >> > >>>> want > > >> > >>>>>> to > > >> > >>>>>>>>>>>>> take > > >> > >>>>>>>>>>>>>>> over a topic or put your name by one, just say. > > Suggest > > >> > that > > >> > >>>>>>>>>>>>> discussion > > >> > >>>>>>>>>>>>>>> lead off with a 5-10minute on current state of > > >> > >>>>>>>>>>>>>>> thought/design/implementation. > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> What do others think? > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> What date would suit folks? > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> Anyone want to host? > > >> > >>>>>>>>>>>>>>> > > >> > >>>>>>>>>>>>>>> Thanks, > > >> > >>>>>>>>>>>>>>> Matteo and St.Ack > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> -- > > >> > >>>>>>>>>>>> Best regards, > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> - Andy > > >> > >>>>>>>>>>>> > > >> > >>>>>>>>>>>> Problems worthy of attack prove their worth by hittin= g > > >> back. - > > >> > >>>> Piet > > >> > >>>>>>>> Hein > > >> > >>>>>>>>>>>> (via Tom White) > > >> > >> > > >> > > > >> > > > > > > > > > --f46d043c805abf590a051d223b39--