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Showing entries 1 to 6

Displaying posts with tag: Cluster 7.3 (reset)

MySQL Tech Tour @Barcelona, 7th Nov.
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We’re on the move again. Come and join us on the 7th of November at the Oracle office in Barcelona. Find out more details about what was announced at MySQL Connect, as well as what’s next…

For more information about this event please visit the link below:

http://www.oracle.com/us/dm/29173-emeafm13045970mpp010-oem-2020763-es.html


MySQL Tech Tour @Barcelona, 7th Nov.
Employee +0 Vote Up -0Vote Down

We’re on the move again. Come and join us on the 7th of November at the Oracle office in Barcelona. Find out more details about what was announced at MySQL Connect, as well as what’s next…

For more information about this event please visit the link below:

http://www.oracle.com/us/dm/29173-emeafm13045970mpp010-oem-2020763-es.html


Enterprise Monitor-ing the Raspberry Pi & MySQL Cluster
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So, now I’ve got my Raspberry Pi’s tested, and running MySQL Cluster we’ll need some form of checking it’s up and running, as with the rest of our MySQL servers.

Monitoring via a Remote Agent

First issue, of course, is that, with my existing MEM console, I have no need to re-install MEM, but rather want to deploy an agent so that I can monitor the MySQL Cluster.
This poses it’s first problem, as there isn’t an ARM-ready agent software available. Remember, it’s not a supported platform. So what can we do? Setup a remote Enterprise Monitor agent, so that, we can monitor the MySQL Cluster, albeit at the sacrifice of not having the agent local on each Raspberry Pi, and hence, not be able to capture the o.s. data.

Config change

So, on my Ubuntu server, I go to the agent install


  [Read more...]
Enterprise Monitor-ing the Raspberry Pi & MySQL Cluster
Employee +0 Vote Up -0Vote Down

So, now I’ve got my Raspberry Pi’s tested, and running MySQL Cluster we’ll need some form of checking it’s up and running, as with the rest of our MySQL servers.

Monitoring via a Remote Agent

First issue, of course, is that, with my existing MEM console, I have no need to re-install MEM, but rather want to deploy an agent so that I can monitor the MySQL Cluster.
This poses it’s first problem, as there isn’t an ARM-ready agent software available. Remember, it’s not a supported platform. So what can we do? Setup a remote Enterprise Monitor agent, so that, we can monitor the MySQL Cluster, albeit at the sacrifice of not having the agent local on each Raspberry Pi, and hence, not be able to capture the o.s. data.

Config change

So, on my Ubuntu server, I go to the agent install


  [Read more...]
From 2 Management nodes down to 1 (R.Pi, Cluster n Cream spin-off)
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From my testing MySQL Cluster on the Raspberry Pi’s I thought I’d share this little extract, just in case someone tries the same, some day.. somewhere.. why? I don’t know.

Ok, so when we pull the plug on one of the pi’s, we have of each component falling down, but because one of them is the arbitrator (node-id=2) then cluster falls over.

Before the ‘accident’:

  ndb_mgm -e show

Connected to Management Server at: localhost:1186
Cluster Configuration
———————
[ndbd(NDB)]     2 node(s)
id=3    @10.0.0.6  (mysql-5.5.25 ndb-7.3.0, Nodegroup: 0, Master)
id=4    @10.0.0.7  (mysql-5.5.25 ndb-7.3.0, Nodegroup: 0)

[ndb_mgmd(MGM)] 2 node(s)
id=1    @10.0.0.6  (mysql-5.5.25 ndb-7.3.0)







  [Read more...]
Raspberry Pi, MySQL Cluster ‘n’ Cream.
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Ok, so I’ve been playing around with the idea of setting up MySQL cluster on a couple of Raspberry Pi’s and this is how it has been going.

References

First of all, for anyone else who’s reading this, it’s not a new thing, I know, and I highly recommend reading A.Morgans blog, http://www.clusterdb.com/mysql-cluster/mysql-cluster-running-on-raspberry-pi/ as well as someone else’s blog: http://markswarbrick.wordpress.com/, cheers Mark.

So, to make it all possible, here’s what I bought:

Product Model Quantity Raspberry Pi – Model B (Made in UK, 512MB) RASPIB  [Read more...]
Showing entries 1 to 6

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