changmao wang | 5 Aug 03:00 2015
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Fwd: riak-users post from wang.changmao <at> gmail.com requires approval


---------- Forwarded message ----------
From: changmao wang <wang.changmao <at> gmail.com>
Date: Tue, Aug 4, 2015 at 6:37 PM
Subject: Re: riak-users post from wang.changmao <at> gmail.com requires approval
To: Matthew Brender <mbrender <at> basho.com>


Hi riak-users,

Thanks for your reply. However, I have some problems with my riak cluster. It's pending on leaving status for 7 days after I removed 4 new added nodes.

root <at> cluster-s3-hd1:~# riak-admin member-status
================================= Membership ==================================
Status     Ring    Pending    Node
-------------------------------------------------------------------------------
leaving    10.9%     10.9%    'riak <at> 10.21.136.91'
leaving     9.4%     10.9%    'riak <at> 10.21.136.92'
leaving     7.8%     10.9%    'riak <at> 10.21.136.93'
leaving     7.8%     10.9%    'riak <at> 10.21.136.94'
valid      10.9%     10.9%    'riak <at> 10.21.136.66'
valid      10.9%     10.9%    'riak <at> 10.21.136.71'
valid      14.1%     10.9%    'riak <at> 10.21.136.76'
valid      17.2%     12.5%    'riak <at> 10.21.136.81'
valid      10.9%     10.9%    'riak <at> 10.21.136.86'

below is error log from riak <at> 10.21.136.81
2015-08-04 01:04:03.883 [error] <0.27021.262> <at> riak_core_handoff_sender:start_fold:262 ownership_transfer transfer of riak_kv_vnode from 'riak <at> 10.21.136.81' 296867520082839655260123481645494988367611297792 to 'riak <at> 10.21.136.92' 296867520082839655260123481645494988367611297792 failed because of enotconn
2015-08-04 01:04:03.883 [error] <0.195.0> <at> riak_core_handoff_manager:handle_info:289 An outbound handoff of partition riak_kv_vnode 296867520082839655260123481645494988367611297792 was terminated for reason: {shutdown,{error,enotconn}}
2015-08-04 04:38:39.512 [error] <0.15702.1> Trailing data, discarding (2753 bytes)
2015-08-04 08:06:39.080 [error] <0.26581.272> <at> riak_core_handoff_sender:start_fold:262 ownership_transfer transfer of riak_kv_vnode from 'riak <at> 10.21.136.81' 411047335499316445744786359201454599278231027712 to 'riak <at> 10.21.136.93' 411047335499316445744786359201454599278231027712 failed because of enotconn
2015-08-04 08:06:39.081 [error] <0.195.0> <at> riak_core_handoff_manager:handle_info:289 An outbound handoff of partition riak_kv_vnode 411047335499316445744786359201454599278231027712 was terminated for reason: {shutdown,{error,enotconn}}
2015-08-04 18:07:53.040 [error] <0.6973.342> <at> riak_api_pb_server:handle_info:141 Unrecognized message {63685090,{error,timeout}}

Today I detached the network bond(we used the bond mode 6/0) in several nodes of the riak cluster. After that, "ifconfig" command show decreased "dropped" packages,
There're only 1~2 dropped network packages during the last four hours.

However, I want to know what's the status of the Riak cluster?  
Currently I started riak-cs service on four new nodes. That's ok, they can service.
how many hours those four node will take to leave the cluster?






On Tue, Aug 4, 2015 at 4:54 AM, Matthew Brender <mbrender <at> basho.com> wrote:
Hey Amao, 

Excuse the delay on this message being posted. You hit our upper limit on size (see below). When possible, please link to a gist or another external service to prevent this from being filtered. 

Thanks for your patience! 
Matt

Matt Brender | Developer Advocacy Lead
Basho Technologies


On Thu, Jul 30, 2015 at 5:35 AM, <riak-users-owner <at> lists.basho.com> wrote:
As list administrator, your authorization is requested for the
following mailing list posting:

    List:    riak-users <at> lists.basho.com
    From:    wang.changmao <at> gmail.com
    Subject: riak handoff of partition error
    Reason:  Message body is too big: 3105110 bytes with a limit of 40 KB

At your convenience, visit:

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---------- Forwarded message ----------
From: changmao wang <wang.changmao <at> gmail.com>
To: riak-users <at> lists.basho.com
Cc: 
Date: Thu, 30 Jul 2015 17:35:13 +0800
Subject: riak handoff of partition error
Hi Riak-users group,

I have found some errors related to handoff of partition in /etc/riak/log/errors.
Details are as below:

2015-07-30 16:04:33.643 [error] <0.12872.15> <at> riak_core_handoff_sender:start_fold:262 ownership_transfer transfer of riak_kv_vnode from 'riak <at> 10.21.136.76' 45671926166590716193865151022383844364247891968 to 'riak <at> 10.21.136.93' 45671926166590716193865151022383844364247891968 failed because of enotconn
2015-07-30 16:04:33.643 [error] <0.197.0> <at> riak_core_handoff_manager:handle_info:289 An outbound handoff of partition riak_kv_vnode 45671926166590716193865151022383844364247891968 was terminated for reason: {shutdown,{error,enotconn}}
                                                                                       

I have searched it with google and found related articles. However, there's no solution.

Attached is my riak-diag command log.

Could you take a look at it?
--
Amao Wang
Best & Regards


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Date: Thu, 30 Jul 2015 05:35:17 -0400
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--
Amao Wang
Best & Regards



--
Amao Wang
Best & Regards
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Picon

Issues with spark

Hi, I want to save in riak doing
some calculus with ALS,
and query for give some suggestions,

How can I do that?
thanks in advanced


--
JCesar
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Humberto Rodriguez Avila | 4 Aug 18:35 2015
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riak_erlang_client issue with riak_pb extension

 Hello, I have been working in a extension to riak_pb, but every time that I try to use my new message in my
extension of riak_erlang_client I obtain this message "Socket error while sending riakc request:
einval. Bad value on output port 'tcp_inet’".

 Any suggestion?

Thanks in advance,
Humberto
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Henrik Lund Kramshøj | 4 Aug 12:14 2015
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status of signature version 4 requests

Hi There

I am researching self-hosted alternatives to S3, and found Riak CS.
Setup was OK, and I currently can access the server fine with s3cmd

Unfortunately I cannot make it work with AWS SDK PHP version 3, since it
uses signature version 4.

I have done lots of trial and error, using PHP
define('AWS_KEY', 'xxx');
define('AWS_SECRET_KEY', 'xxx');
$client = new S3Client([
    'credentials' => [
        'key'    => AWS_KEY,
        'secret' => AWS_SECRET_KEY
    ],
    'region' => 'local',
    'version' => '2006-03-01',
    'endpoint' => '172.xx.x.xx:8080',
//    'signature_version' => 'v4'
]);

signature_version can only be v4 or anonymous.

What is the expectation with v4 requests?

I did find the option, auth_v4_enabled:
root <at> riaks2:/etc/riak-cs# cat advanced.config
[
 {riak_cs, [
%%    {auth_v4_enabled, true}
  ]}
].

but it ends up in error 500
""<h1>Internal Server Error</h1>""

Do I need more configuration, or is it not ready.

root <at> riaks2:/etc/riak-cs# lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.2 LTS
Release:	14.04
Codename:	trusty
root <at> riaks2:/etc/riak-cs# dpkg -l | egrep "riak|stanchion"
ii  riak                                2.0.5-1
 amd64        Riak is a distributed data store
ii  riak-cs                             2.0.1-1
 amd64        Riak CS
ii  stanchion                           2.0.0-1
 amd64        Request Serialization Application

Best regards

Henrik
--

-- 
Henrik Lund Kramshøj, Follower of the Great Way of Unix
internet samurai cand.scient CISSP
hlk <at> krugercorp.dk +45 2678 1919
changmao wang | 30 Jul 11:35 2015
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riak handoff of partition error

Hi Riak-users group,

I have found some errors related to handoff of partition in /etc/riak/log/errors.
Details are as below:

2015-07-30 16:04:33.643 [error] <0.12872.15> <at> riak_core_handoff_sender:start_fold:262 ownership_transfer transfer of riak_kv_vnode from 'riak <at> 10.21.136.76' 45671926166590716193865151022383844364247891968 to 'riak <at> 10.21.136.93' 45671926166590716193865151022383844364247891968 failed because of enotconn
2015-07-30 16:04:33.643 [error] <0.197.0> <at> riak_core_handoff_manager:handle_info:289 An outbound handoff of partition riak_kv_vnode 45671926166590716193865151022383844364247891968 was terminated for reason: {shutdown,{error,enotconn}}
                                                                                       

I have searched it with google and found related articles. However, there's no solution.

Attached is my riak-diag command log.

Could you take a look at it?
--
Amao Wang
Best & Regards
_______________________________________________
riak-users mailing list
riak-users <at> lists.basho.com
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
Justin Plock | 28 Jul 02:29 2015

ANN: Notification Service using Riak

I've been working on a Notification Service based on Dropwizard (http://dropwizard.io) that uses Riak (very much like Yammer's Streamie service [1]) that I decided to open source under an Apache 2.0 license if it would be useful to anyone.  I'm still adding functionality (like roll-ups) and trying to make it a decent example implementation of a solid Java service written on top of Riak.


Any feedback is welcome!

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Changmao.Wang | 29 Jul 05:03 2015

why leaving riak cluster so slowly and how to accelerate the speed

Hi Raik user group,

 I'm using riak and riak-cs 1.4.2. Last weekend, I added four nodes to cluster with 5 nodes. However, it's
failed with one of disks 100% full.
As you know bitcask storage engine can not support multifolders.

After that, I restarted the "riak" and leave the cluster with the command "riak-admin cluster leave" and
"riak-admin cluster plan", and the commit.
However, riak is always doing KV balance after my submit leaving command. I guess that it's doing join
cluster progress. 

Could you show us how to accelerate the leaving progress? I have tuned the "transfer-limit" parameters on 9 nodes.

below is some commands output:
riak-admin member-status
================================= Membership ==================================
Status     Ring    Pending    Node
-------------------------------------------------------------------------------
leaving     6.3%     10.9%    'riak <at> 10.21.136.91'
leaving     9.4%     10.9%    'riak <at> 10.21.136.92'
leaving     6.3%     10.9%    'riak <at> 10.21.136.93'
leaving     6.3%     10.9%    'riak <at> 10.21.136.94'
valid      10.9%     10.9%    'riak <at> 10.21.136.66'
valid      12.5%     10.9%    'riak <at> 10.21.136.71'
valid      18.8%     10.9%    'riak <at> 10.21.136.76'
valid      18.8%     12.5%    'riak <at> 10.21.136.81'
valid      10.9%     10.9%    'riak <at> 10.21.136.86'

 riak-admin transfer_limit
=============================== Transfer Limit ================================
Limit        Node
-------------------------------------------------------------------------------
  200        'riak <at> 10.21.136.66'
  200        'riak <at> 10.21.136.71'
  100        'riak <at> 10.21.136.76'
  100        'riak <at> 10.21.136.81'
  200        'riak <at> 10.21.136.86'
  500        'riak <at> 10.21.136.91'
  500        'riak <at> 10.21.136.92'
  500        'riak <at> 10.21.136.93'
  500        'riak <at> 10.21.136.94'

Any more details for your diagnosing the problem?

Amao
Aravind Kumar | 13 Jul 14:22 2015
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Question on Riakc support for rebar3 erlang application

Hi,

I am trying to develop an erlang application which uses Riakc, using rebar3 build tool. when i am trying to compile using "rebar3 compile" command am getting errors. But the same is compiling without any errors when i used "rebar get-deps & rebar compile".  so my question is, rebar3 isn't supported by riakc ?

could anyone comment on this.

Thanks in advance,
Aravind.

Below are further details:

Version i used in rebar.config file:
   {riakc, {git, "git://github.com/basho/riak-erlang-client.git", {branch, "master"}}}

Error am getting:

MacBook-Pro:myapp lakku1989$ rebar3 compile
===> Verifying dependencies...
===> Fetching jsx ({git,"git://github.com/talentdeficit/jsx.git",
                               {branch,"master"}})
===> Fetching riakc ({git,"git://github.com/basho/riak-erlang-client.git",
                                 {branch,"master"}})
===> Fetching riak_pb ({git,"git://github.com/basho/riak_pb",
                                   {tag,"2.1.0.2"}})
===> Missing registry entry for package riak_pb_msgcodegen
===> Plugin riak_pb_msgcodegen not available. It will not be used.
===> Fetching protobuffs ({git,"git://github.com/basho/erlang_protobuffs.git",
                                      {tag,"0.8.1p5"}})
===> Fetching meck ({git,"git://github.com/basho/meck.git",
                                {tag,"0.8.2"}})
===> Compiling meck
===> Compiling protobuffs
===> Getting rev-list of git depedency failed in /Users/lakku1989/Work/erlapps/myapp
MacBook-Pro:myapp lakku1989$ 
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Paulo Almeida | 2 Aug 23:15 2015
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yz_index_hashtree error every 1 hour

Hi,

I'm getting the error below on all 5 nodes of a cluster, exactly once every hour. I'm running Riak 2.1.1 and have search enabled on all nodes.

[error] emulator Error in process <0.10379.177> on node 'riak <at> 192.168.100.20' with exit value:
{function_clause,[{proplists,get_value,[n_val,{error,no_type},undefined],[{file,"proplists.erl"},{line,225}]},{riak_kv_util,get_index_n,1,[{file,"src/riak_kv_util.erl"},{line,190}]},{yz_index_hashtree,'-fold_keys/2-fun-0-'...

I've seen the error mentioned in this post (http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-June/017303.html) but related to a version prior to 2.1.1.

Any idea what's going on and how this could be fixed?

Thanks!

Paulo
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Hiren Shah | 1 Aug 18:10 2015
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http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com unscubscribe

http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com

On Sat, Aug 1, 2015 at 12:00 PM, <riak-users-request <at> lists.basho.com> wrote:
Send riak-users mailing list submissions to
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To subscribe or unsubscribe via the World Wide Web, visit
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Today's Topics:

   1. Riak CS Node Shutdown Because it Ran Out Data Space -
      Unbalanced With   Other Nodes in Cluster (Valenti, Anthony)
   2. Riak Recap - July 31, 2015 (Matthew Brender)


----------------------------------------------------------------------

Message: 1
Date: Fri, 31 Jul 2015 17:51:26 +0000
From: "Valenti, Anthony" <Anthony.Valenti <at> inmar.com>
To: "riak-users <at> lists.basho.com" <riak-users <at> lists.basho.com>
Subject: Riak CS Node Shutdown Because it Ran Out Data Space -
        Unbalanced With Other Nodes in Cluster
Message-ID:
        <D4BD4F58047B47459F5E4A5039269ADCAC6C11E5 <at> CORP-MBX2.inmar.com>
Content-Type: text/plain; charset="iso-8859-1"

We have a Riak CS node that ran out of space on the data mount and the service shutdown.  This is strange since the other nodes in the cluster seem to be about 76%-78% full.  Why is it so out of balance and how can it be fixed?

Node - Riak07 (failed)
Filesystem                1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgroot-lvroot  21103116   3553252  16480772  18% /
udev                       16464744         4  16464740   1% /dev
tmpfs                       3294768       284   3294484   1% /run
none                           5120         0      5120   0% /run/lock
none                       16473828         0  16473828   0% /run/shm
/dev/mapper/vgroot-lvdata 642647464 642580056     67408 100% /data
/dev/sda1                    472036     60968    386697  14% /boot
/dev/mapper/vgroot-lvhome   7688360    266548   7031260   4% /home

All other nodes
Node - Riak01
Filesystem                1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgroot-lvroot  21196680   2156104  17971484  11% /
udev                       16466476         4  16466472   1% /dev
tmpfs                       6590228       288   6589940   1% /run
none                           5120         0      5120   0% /run/lock
none                       16475564         0  16475564   0% /run/shm
/dev/mapper/vgroot-lvdata 628271104 486828480 141442624  78% /data
/dev/sda1                    484068     49921    409776  11% /boot
/dev/mapper/vgroot-lvhome   7785688    446688   6948448   7% /home

Node - Riak02
Filesystem                1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgroot-lvroot  21200776   2401784  17729696  12% /
udev                       16466476         4  16466472   1% /dev
tmpfs                       6590228       280   6589948   1% /run
none                           5120         0      5120   0% /run/lock
none                       16475564         0  16475564   0% /run/shm
/dev/mapper/vgroot-lvdata 628275200 489217444 139057756  78% /data
/dev/sda1                    484068     49921    409776  11% /boot
/dev/mapper/vgroot-lvhome   7785688    410856   6984280   6% /home

Node - Riak03
Filesystem                1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgroot-lvroot  21200776   2304152  17827328  12% /
udev                       16466476         4  16466472   1% /dev
tmpfs                       6590228       272   6589956   1% /run
none                           5120         0      5120   0% /run/lock
none                       16475564         0  16475564   0% /run/shm
/dev/mapper/vgroot-lvdata 628275200 490374972 137900228  79% /data
/dev/sda1                    484068     49921    409776  11% /boot
/dev/mapper/vgroot-lvhome   7785688    410912   6984224   6% /home

Node - Riak08
Filesystem                1K-blocks      Used Available Use% Mounted on
/dev/mapper/vgroot-lvroot  22135340   2838828  18175004  14% /
udev                       16464744         4  16464740   1% /dev
tmpfs                       3294768       280   3294488   1% /run
none                           5120         0      5120   0% /run/lock
none                       16473828         0  16473828   0% /run/shm
/dev/mapper/vgroot-lvdata 642647464 487758140 154889324  76% /data
/dev/sda1                    472036     60968    386697  14% /boot
/dev/mapper/vgroot-lvhome   7688360    266484   7031324   4% /home

Thanks,
Anthony

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Message: 2
Date: Fri, 31 Jul 2015 19:57:00 -0400
From: Matthew Brender <mbrender <at> basho.com>
To: riak-users <riak-users <at> lists.basho.com>
Subject: Riak Recap - July 31, 2015
Message-ID:
        <CAKrbaM2ywShy_c2HEow+031LxH2giXxDtEBKTXR_T8S4KHV=8Q <at> mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hey everyone! As always, there's been some great knowledge sharing over the
user lists. Here is your biweekly Recap!

Note that many of the "unanswered" are brand new and I know we'll get to
answering them. I just want you all to know we keep track of these.

## Announcements
* There's a new Java client in town! 2.0.2 was released [0]

## Recently Answered
* Roman asks about using a FQDN and is guided to use 0.0.0.0 instead [1]
* The Riak C client ran into a segfault that Chris explained [2]
* Humberto found setting ulimit on OS X is a little tricky [3]
* I gave Sevilha some resources to spin up Riak locally [4]
* Zeeshan makes sense of indexing Riak Data Types for Marius [5]

## New and Unanswered
* Damien needs some help thinking through ring-resizing on a live cluster
[6]
* Sean gets an error while deleting an object through the Erlang client [7]
* Humberto could still use help with ulimit settings on OS X [8]
* Nick is helping Johan with a known Erlang bug in need of a patch [9]
* Damien sees 2i writes when he isn't using 2i. Any idea why? [10]
* Amao sees an outbound handoff error and still needs some help [11]

## All the Meetups!
We've been busy on the meetup scene, hosting events in Portland, Austin and
Chicago. If you'd like to see where groups are, we have a new URL to do so
[12]. Let me know if you'd like to run one in your city!

## What'd we miss?
Have you brought Riak into production at a new place? Did you find a blog
or presentation helpful? Good! Share it in our release notes:
https://github.com/basho-labs/the-riak-community/tree/master/release-notes

Have a great weekend,
Matt Brender
Developer Advocate <at> Basho
<at> mjbrender

[0]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017374.html
[1]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017370.html
[2]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017366.html
[3]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017379.html
[4]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017385.html
[5]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017390.html
[6]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017364.html
[7]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017368.html
[8]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017383.html
[9]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017377.html
[10]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017386.html
[11]
http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017387.html
[12] http://www.meetup.com/pro/basho/
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------------------------------

End of riak-users Digest, Vol 73, Issue 1
*****************************************

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Matthew Brender | 1 Aug 01:57 2015

Riak Recap - July 31, 2015

Hey everyone! As always, there's been some great knowledge sharing over the user lists. Here is your biweekly Recap! 

Note that many of the "unanswered" are brand new and I know we'll get to answering them. I just want you all to know we keep track of these.

## Announcements
* There's a new Java client in town! 2.0.2 was released [0]

## Recently Answered
* Roman asks about using a FQDN and is guided to use 0.0.0.0 instead [1]
* The Riak C client ran into a segfault that Chris explained [2]
* Humberto found setting ulimit on OS X is a little tricky [3]
* I gave Sevilha some resources to spin up Riak locally [4]
* Zeeshan makes sense of indexing Riak Data Types for Marius [5]

## New and Unanswered
* Damien needs some help thinking through ring-resizing on a live cluster [6]
* Sean gets an error while deleting an object through the Erlang client [7]
* Humberto could still use help with ulimit settings on OS X [8]
* Nick is helping Johan with a known Erlang bug in need of a patch [9]
* Damien sees 2i writes when he isn't using 2i. Any idea why? [10]
* Amao sees an outbound handoff error and still needs some help [11]

## All the Meetups!
We've been busy on the meetup scene, hosting events in Portland, Austin and Chicago. If you'd like to see where groups are, we have a new URL to do so [12]. Let me know if you'd like to run one in your city!

## What'd we miss?
Have you brought Riak into production at a new place? Did you find a blog or presentation helpful? Good! Share it in our release notes: https://github.com/basho-labs/the-riak-community/tree/master/release-notes

Have a great weekend,
Matt Brender
Developer Advocate <at> Basho
<at> mjbrender

[0] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017374.html
[1] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017370.html
[2] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017366.html
[3] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017379.html
[4] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017385.html
[5] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017390.html
[6] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017364.html
[7] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017368.html
[8] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017383.html
[9] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017377.html
[10] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017386.html
[11] http://lists.basho.com/pipermail/riak-users_lists.basho.com/2015-July/017387.html
[12] http://www.meetup.com/pro/basho/
_______________________________________________
riak-users mailing list
riak-users <at> lists.basho.com
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com

Gmane