Grokbase Groups HBase dev April 2009
FAQ
(mostly from stack)

Pre-meeting Action Items:

+ Review the 0.20.0 list of issues. There are 50. Its too many. We need
to release soon. Hadoop 0.20.0 is out and we need to have an hbase to run
on it. Please move out all but the critical:
https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310753&fixfor=12313474

+ Review the latest HBASE-880 API proposal:
https://issues.apache.org/jira/secure/attachment/12406939/HBASE-880_Design_Doc_v5.pdf
HBASE-880 could be punted from hbase 0.20.0 after discussion but there is
strong support for keeping it in. If we keep it in, this is the proposed
API we're going to have to live with going forward. Are folks OK w/ that?


Meeting Agenda:

+ Quick status on state of TRUNK

+ Review of the issues filed against 0.20.0:
https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310753&fixfor=12313474
Lets punt all but the critical.

+ If HBASE-880/1249/1304 survive -- combined it may mean hbase 0.20.0
doesn't ship for at least a month but we'll be addressing long resident
holes in API, more efficient puts and deletes, saving on a rewrite of all
data migrating in a later version, read speed improvements, better memory
allocation patterns, etc... -- then lets figure how to divvy up the work.

+ Should we do a 0.19.2?

+ Who will represent HBase at the Non-relational DB Meetup on June 11, the
day after hadoop summit? The line-up is:

Cassandra (Avinash Lakshman)
Dynomite (Cliff Moon)
Apache Hbase (TBA)
Hypertable (Doug Judd)
Voldemort (Jay Kreps)


Jon would prefer a call-in, if we can get one set up. Otherwise we will
Skype with stack as the hub @ michaelstack. In any case, everyone just
meet in the IRC channel at 2200-UTC so there's no confusion.

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  • Stack at May 1, 2009 at 5:35 pm
    We reviewed issues slated for 0.20.0 moving out a bunch but also bringing in
    a few. Others were recast because of the understanding that comes only when
    all interested parties are in the one "room". Here is the current list:
    https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310753&fixfor=12313474

    It was *thought* that a 0.20.0 release candidate could be ready in about two
    weeks only for the HBASE-880/1249/1304 suite (new API, new deletes
    mechanism, KeyValues over the client/server divide, and a fleet of other
    server efficiencies). The "880-suite", it was thought, would push out the
    release at least another 2 to 4 weeks -- meaning hbase 0.20.0 wouldn't
    appear till early June. The implementers, Erik Holstad and JGray, argued
    that whether or not we include the 880-suite should be put off till next
    friday. At that time, they'll have a better idea of how long its actually
    going to take. All on the phone were good with that.

    We'll make a 0.19.2 release meantime.

    No decision as to who represents at the non-relational meetup. Ryan Rawson
    was proposed (Jean-Daniel Cryans and Jon Gray are representing at the Hadoop
    Summit, June 10th).

    The hadoop PMC approved two new committers to hbase; Ryan Rawson and Nitay
    Joffe. They have yet to have the Apache fairy dust sprinkled on them but
    that should happen in the next week or so (welcome aboard lads).

    St.Ack
    P.S. Sorry the connection was poor for the Skype participants. Will try to
    do better next time.


    On Thu, Apr 30, 2009 at 11:35 AM, Jonathan Gray wrote:

    (mostly from stack)

    Pre-meeting Action Items:

    + Review the 0.20.0 list of issues. There are 50. Its too many. We need
    to release soon. Hadoop 0.20.0 is out and we need to have an hbase to run
    on it. Please move out all but the critical:

    https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310753&fixfor=12313474

    + Review the latest HBASE-880 API proposal:

    https://issues.apache.org/jira/secure/attachment/12406939/HBASE-880_Design_Doc_v5.pdf
    HBASE-880 could be punted from hbase 0.20.0 after discussion but there is
    strong support for keeping it in. If we keep it in, this is the proposed
    API we're going to have to live with going forward. Are folks OK w/ that?


    Meeting Agenda:

    + Quick status on state of TRUNK

    + Review of the issues filed against 0.20.0:

    https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&mode=hide&sorter/order=DESC&sorter/field=priority&resolution=-1&pid=12310753&fixfor=12313474
    Lets punt all but the critical.

    + If HBASE-880/1249/1304 survive -- combined it may mean hbase 0.20.0
    doesn't ship for at least a month but we'll be addressing long resident
    holes in API, more efficient puts and deletes, saving on a rewrite of all
    data migrating in a later version, read speed improvements, better memory
    allocation patterns, etc... -- then lets figure how to divvy up the work.

    + Should we do a 0.19.2?

    + Who will represent HBase at the Non-relational DB Meetup on June 11, the
    day after hadoop summit? The line-up is:

    Cassandra (Avinash Lakshman)
    Dynomite (Cliff Moon)
    Apache Hbase (TBA)
    Hypertable (Doug Judd)
    Voldemort (Jay Kreps)


    Jon would prefer a call-in, if we can get one set up. Otherwise we will
    Skype with stack as the hub @ michaelstack. In any case, everyone just
    meet in the IRC channel at 2200-UTC so there's no confusion.

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postedApr 30, '09 at 6:54p
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