Copying the entire database for each thread is about 500MB of space per thread, but it seems to be working. There is definitely some kind of block, after seeing this.

However, I don't think it is a system block because I was able to put 4 blast queries into a loop in the bash shell and fork them, and top showed all four running at the same time.

In reply to Re^3: Multithreads with an executable in the worker subroutine by lskatz
in thread Multithreads with an executable in the worker subroutine by lskatz

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