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From James Sirota <jsir...@apache.org>
Subject Re: [DISCUSS] Deprecate split-join enrichment topology in favor of unified enrichment topology
Date Thu, 15 Nov 2018 16:39:48 GMT
This is excellent work, Mike and long overdue.  Thanks for doing this

05.11.2018, 16:46, "Michael Miklavcic" <michael.miklavcic@gmail.com>:
> The PR has now been merged into master and closed.
>
> https://issues.apache.org/jira/browse/METRON-1855
>
> On Sat, Nov 3, 2018 at 6:47 PM Michael Miklavcic <
> michael.miklavcic@gmail.com> wrote:
>
>>  PR is out here - https://github.com/apache/metron/pull/1252
>>
>>  I made the unified enrichment topology the new default and marked the
>>  split-join topology as deprecated in various parts of the documentation. I
>>  think we should have a release with the deprecation notes and new default
>>  and then move to remove split-join entirely shortly thereafter.
>>
>>  Best,
>>  Mike
>>
>>  On Fri, Nov 2, 2018 at 5:47 AM Mohan Venkateshaiah <
>>  mvenkateshaiah@hortonworks.com> wrote:
>>
>>>  +1 (non-binding)
>>>
>>>  Thanks
>>>  Mohan DV
>>>
>>>  On 11/2/18, 3:29 PM, "Zeolla@GMail.com" <zeolla@gmail.com> wrote:
>>>
>>>      +1 totally agree.
>>>
>>>      Jon
>>>
>>>      On Fri, Nov 2, 2018, 1:31 AM Anand Subramanian <
>>>  asubramanian@hortonworks.com>
>>>      wrote:
>>>
>>>      > Piling on my +1 (non-binding) as well.
>>>      >
>>>      > On 11/2/18, 4:41 AM, "Ryan Merriman" <merrimanr@gmail.com>
wrote:
>>>      >
>>>      > +1
>>>      >
>>>      > On Thu, Nov 1, 2018 at 5:38 PM Casey Stella <cestella@gmail.com
>>>  >
>>>      > wrote:
>>>      >
>>>      > > +1
>>>      > > On Thu, Nov 1, 2018 at 18:34 Nick Allen <nick@nickallen.org>
>>>  wrote:
>>>      > >
>>>      > > > +1
>>>      > > >
>>>      > > > On Thu, Nov 1, 2018, 6:27 PM Justin Leet <
>>>  justinjleet@gmail.com>
>>>      > wrote:
>>>      > > >
>>>      > > > > +1, I haven't seen any case where the split-join
topology
>>>  isn't
>>>      > made
>>>      > > > > obsolete by the unified topology.
>>>      > > > >
>>>      > > > > On Thu, Nov 1, 2018 at 6:17 PM Michael Miklavcic
<
>>>      > > > > michael.miklavcic@gmail.com> wrote:
>>>      > > > >
>>>      > > > > > Fellow Metronians,
>>>      > > > > >
>>>      > > > > > We've had the unified enrichment topology
around for a
>>>  number
>>>      > of
>>>      > > months
>>>      > > > > > now, it has proved itself stable, and there
is yet to
>>>  be a
>>>      > time that
>>>      > > I
>>>      > > > > have
>>>      > > > > > seen the split-join topology outperform the
unified
>>>  one. Here
>>>      > are
>>>      > > some
>>>      > > > > > simple reasons to deprecate the split-join
topology.
>>>      > > > > >
>>>      > > > > > 1. Unified topology performs better.
>>>      > > > > > 2. The configuration, especially for performance
>>>  tuning is
>>>      > much,
>>>      > > > much
>>>      > > > > > simpler in the unified model.
>>>      > > > > > 3. The footprint within the cluster is smaller.
>>>      > > > > > 4. One of the first activities for any install
is
>>>  that we
>>>      > spend
>>>      > > time
>>>      > > > > > instructing users to switch to the unified
topology.
>>>      > > > > > 5. One less moving part to maintain.
>>>      > > > > >
>>>      > > > > > I'd like to recommend that we deprecate the
split-join
>>>      > topology and
>>>      > > > make
>>>      > > > > > the unified enrichment topology the new default.
>>>      > > > > >
>>>      > > > > > Best,
>>>      > > > > > Mike
>>>      > > > > >
>>>      > > > >
>>>      > > >
>>>      > >
>>>      >
>>>      >
>>>      > --
>>>
>>>      Jon Zeolla

------------------- 
Thank you,

James Sirota
PMC- Apache Metron
jsirota AT apache DOT org


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