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Percona Server on the Nexus 7: Your own MySQL Database Server on an Android Tablet

 | February 28, 2013 |  Posted In: MySQL, Percona Software

Percona Server on the Nexus 7: Your own MySQL Database Server on an Android Tablet
Percona Server on the Nexus 7: Your own MySQL Database Server on an Android Tablet

Following Roel’s post, Percona Server on the Raspberry Pi: Your own MySQL Database Server , I thought what other crazy gadget can I run Percona Server on? And having an Asus Nexus 7 Android tablet I decided to give it a try.

Anything below contains a risk that you break your tablet if you do not know what you are doing, so be advised.

First, we need rooted tablet, most likely with custom ROM. I personally use SmoothROM which already comes with root and a proper kernel.

Next, we install Linux environment, I used Linux Deploy App to deploy Ubuntu 12.04 LTS. It does not remove current ROM and works pretty must as a regular Android App. The process is easy, but time consuming. It took about 30 mins to download and install all needed packages. When installation is done and Linux started we are able to SSH to the tablet and get familiar Linux shell.

From now it looks totally like a regular Linux installation, with a difference that this is an ARMv7 architecture, so we won’t be able to download regular 32 or 64bit binaries built for Intel architecture. And we do not have ARM binaries of Percona Server, so we will need to build from sources.

So we install build environment

download Percona Server MySQL source code

unpack and build. Not, not so simple, unfortunately there is a bug Non-portable code in client plugin (fails on ARM) which will not allow to build from plain sources.
We need to apply a small patch to source, which is available here.

After that to build binaries:

and if everything goes as expect we will have binaries in /usr/local/mysql, which we start

And a quick useless CPU benchmark just to understand some level of performance of tablet CPUs:

to compare with Cisco UCS server:

The next steps is to combine two tablets and run Percona XtraDB Cluster for MySQL but there is another bug Can’t build galera on ARM architecture which should be fixed before.

Now I have a hard time thinking about a practical application of running a MySQL database on a tablet, but it was more to check capabilities of mobile gadgets, which are quite impressive I may say.

Vadim Tkachenko

Vadim Tkachenko co-founded Percona in 2006 and serves as its Chief Technology Officer. Vadim leads Percona Labs, which focuses on technology research and performance evaluations of Percona’s and third-party products. Percona Labs designs no-gimmick tests of hardware, filesystems, storage engines, and databases that surpass the standard performance and functionality scenario benchmarks. Vadim’s expertise in LAMP performance and multi-threaded programming help optimize MySQL and InnoDB internals to take full advantage of modern hardware. Oracle Corporation and its predecessors have incorporated Vadim’s source code patches into the mainstream MySQL and InnoDB products. He also co-authored the book High Performance MySQL: Optimization, Backups, and Replication 3rd Edition.


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