Answer / disney

For parallel jobs there is also a force compile option. The
compilation of parallel jobs is by default optimized such
that transformer stages only get recompiled if they have
changed since the last compilation. The force compile
option overrides this and causes all transformer stages in
the job to be compiled. To select this option:

Choose File > Force Compile

Answer / veeresh

When re-compiling a job, the optimizer will not compile code it detects was not changed. A Force Compile re-compiles all the code in the job.

Answer / vijaya

when ever u compile the job for first time it is know as
force compile when ever u do some changes to the job and
compile the job this compilation is known as ordinary compile

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