I forgot to mention that I'm monitoring the linux server where Firebird is installed and this is what I see: - no high CPU load - no swapping - no io waiting
What seems very strange to me is that firebird process is taking very few CPU (0.7%)...I think it should be much higer as I'm asking for a very demanding query so I expected it to take much more CPU...it's like I have some contention for firebird process but I cannot see the reason. 2015-09-05 9:00 GMT+02:00 Hector Sánchez <hec...@planatec.es>: > I'm doing some basic tests with Firebird and I'm facing something I > cannot understand (I'm a newbie to Firebird which has worked with > IB7.5 for years, so I apologize if I ask something obvious): > > - I have a linux server with firebird 2.5.4 Superserver: multi-core (4), 3GB > RAM > - I placed a "huge" database: 1000 tables, 9GB > - When I issue a query like this "select count(*) from TABLE1" it > takes very long time to complete (>30 min). > - TABLE 1 has 3 million records > > As I told you, I'm quite used to IB7.5, but I guess this is not normal > at all...probably I'm missing something but I couldn't find any > document which gives me an idea of what I'm doing wrong. > > With same hardware an IB7.5 same query took 40 sec to complete (first > time issued, no cache). > > Could anyone help? -- -- Planatec Software S.L. ** <http://www.planatec.es> telf: +34 964 340 560 ** fax: +34 961 130 921
