[Phpmyadmin-devel] GSoC - Server Stats

Philip Frank ich at philipfrank.de
Thu Apr 1 23:18:33 CEST 2010

2010/4/1 Marc Delisle <marc at infomarc.info>:
> Philip Frank a écrit :
>> 2010/4/1 Marc Delisle <marc at infomarc.info>:
>>> Philip Frank a écrit :
>>>> Hello everyone,
>>>> I'm a student from Munich, Germany and stumbled across the GSoC Idea
>>>> of collecting the data that is shown on the server status page and
>>>> rendering them as graphs over time. I will apply in the next days,
>>>> here is what I thought of implementing when I'm accepted:
>>>> Data collection: In the past, I used rrdtool to collect stats on a
>>>> server. Its datastore has a limited size - over time old entries get
>>>> merged together and the data gets thinner, but is never completely
>>>> deleted. Unfortunately, it is not very portable. Therefor, I would
>>>> implement a similarily behaving datastore ontop of a mysql table. I
>>>> think of storing each set of measures as a row and limit the number of
>>>> total rows, making room for new entries by combining one pair of
>>>> neighbouring old entries together.
>>> Hi Philip,
>>> so you plan that an external process will collect data? Please have a
>>> look on this list archives, this was discussed a few days ago.
>> Hi Marc,
>> i thought the process could be triggered by a cron, but if that is not
>> an option, historic data can not be collected, i guess. How about a
>> live monitoring tool? I could create a visualisation of the ratios of
>> the different query types. Constantly updating that with ajax would be
>> nice, and maybe even collecting the data in the browser and plotting
>> graphes.
> As discussed on the list, asking users to setup cron is out of
> phpMyAdmin's scope. Live monitoring tool is interesting.
> --
> Marc Delisle
> http://infomarc.info

Alright, that live monitoring could be awesome, too. The user could
select what values should be measured, they would be constantly
updated via ajax and it would be graphed with processing.js.
The data could be stored as long as the browser window is open, so it
could still be displayed on a time axis. At its best, one could just
leave pma running in his browser while testing different

With the html5 client storage, even saving snapshots persistently and
comparing them could be done.

How does this sound?

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