[syslog-ng] syslog-ng with sqlite 100% cpu

hi i am running syslog-ng with sqlite i am sending 50 logs per second and i am getting 80% cpu usage. could someone tell me how i can fix this or is it normal thanks Ran syslog-ng 3.2.5 Installer-Version: 3.2.5 Revision: ssh+git://bazsi@git.balabit //var/scm/git/syslog-ng/syslog-ng-ose--mainline--3.2#master#9d4bea28198bd731df1a61e980a2af5b88d81116 Compile-Date: Jul 25 2014 15:20:50 Enable-Threads: on Enable-Debug: off Enable-GProf: off Enable-Memtrace: off Enable-Sun-STREAMS: off Enable-IPv6: on Enable-Spoof-Source: on Enable-TCP-Wrapper: on Enable-SSL: off Enable-SQL: on Enable-Linux-Caps: off Enable-Pcre: on Enable-Pacct: off