On the time topic, let's look at Enis' HLC proposal. Doc: https://docs.google.com/document/d/1LL2GAodiYi0waBz5ODGL4LDT4e_bXy8P9h6kWC05Bhw/edit# JIRA: https://issues.apache.org/jira/browse/HBASE-14070
Covers exactly making space for local bits in the timestamps, but to implement HLC not something 'user servicable' On Wed, Jul 15, 2015 at 8:58 AM, lars hofhansl <la...@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 of 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 bits in the timestamps > (happy to cover that, unless it's part of the "Time" topic) > > > - "Replication". We found that replication cannot keep up with high write > loads, due to the fact that replicated is strictly 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 <bus...@cloudera.com> > To: dev <dev@hbase.apache.org> > 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 24th of August. > > -- > Sean > > > > On Jul 14, 2015 7:53 PM, "Andrew Purtell" <apurt...@apache.org> wrote: > > > I can be up in your area in August. > > > > On Tue, Jul 14, 2015 at 5:31 PM, Stack <st...@duboce.net> wrote: > > > > > On Tue, Jul 14, 2015 at 3:39 PM, Enis Söztutar <enis....@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 <st...@duboce.net> wrote: > > > > > > > > > Matteo and I were thinking it time devs got together 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 ideas 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 regions (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 topic. 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 hitting back. - Piet Hein > > (via Tom White) > > > -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
