If you are using our Java Command Line Interface (CLI) please check the Java version you are using,
SR6 and SR7 of Java 1.6 have a very high CPU usage which is decreasing the load speed.
Informix 11.70.xC2 has Java 1.6 SR7 in $INFORMIXDIR/extend/krakatoa/jre/bin
You can fix this issue by setting the following environment variable before calling java.
or upgrade to Java SR8 or higher. To check the Java version please enter :
java version "1.6.0"
Java(TM) SE Runtime Environment (build pxi3260sr7-20091215_02(SR7))
IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Linux x86-32 jvmxi3260sr7-20091214_49398 (JIT enabled, AOT enabled)