
We had an issue today on a server with a high load because of ADODB’s session mechanism using MySQL as session storage engine with MyISAM table engine as advised by the manual of ADODB-session. Our server’s load is: 2500 new session creation every minute with about 17000 concurrent user sessions. A separate dedicated server (Amazon 2.3Ghz dualcore Xeon) was for he sole purpose of storing session data but the machine was not catching up.
So what basically happens here is that the default MyISAM table blows up in a matter of 10-20 minutes because of the tremendous amount of inserts/updates done on the table. Read more…
Recently we’ve spent several days trying to decide which UI JavaScript framework/library to use. Our company is developing a media website with funky design which has a very complex admin panel with lots of crammed together pages. We were going to rewrite the admin CP’s UI from scratch because of it’s slowness and were searching for a solution that would require as small as possible effort to build a functional/comfortable admin panel and require only minor UI customizations. Also the library we use should have made our life easier when doing stuff on the main funky site. Well we couldn’t find a solution which will satisfy both this requirements instead we decided to use ExtJS for the admin CP and JQuery for the main site. The reasons behind this choice are listed bellow:
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