Hi Markus, I definitely can, anecdotal evidence suggests to me that this issue does not occur on postgres (I use rrdtool+postgres similarly and havne't seen the issue), but I'll make some actual tests and report back.
-Adam On Jul 9, 2011, at 8:39 AM, markus.hoeni...@mhoenicka.de wrote: > Adam Jacob Muller writes: >> Hi, >> I'm developing an application that utilizes rrdtool (and the lidbdi >> interface into rrdtool) heavily and having some performance issues that seem >> to center around libdbi, >> > > Hi Adam, > > I can't see any obvious issues with your C code, so I assume the speed > differences really stem from libdbi, one way or another. Unfortunately > I currently lack the time for any deeper analysis, but I'm somewhat > surprised about your results. libdbi has originally been developed as > a wrapper for MySQL and PostgreSQL and should work fairly well with > these database engines (other engines are a *lot* harder to fit). The > only overhead that the mysql driver contains is the column type > analysis and data conversion stuff. Some other engines have to buffer > the data and thus create way more overhead. > > Did you have a chance to verify your results with any of the other > database drivers? > > regards, > Markus > > -- > Markus Hoenicka > http://www.mhoenicka.de > AQ score 38 > > ------------------------------------------------------------------------------ > All of the data generated in your IT infrastructure is seriously valuable. > Why? It contains a definitive record of application performance, security > threats, fraudulent activity, and more. Splunk takes this data and makes > sense of it. IT sense. And common sense. > http://p.sf.net/sfu/splunk-d2d-c2 > _______________________________________________ > libdbi-users mailing list > libdbi-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libdbi-users ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ libdbi-users mailing list libdbi-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libdbi-users
