Marcus Alves Grando wrote: > Diez B. Roggisch wrote: >> Marcus Alves Grando wrote: >> >>> Hello list, >>> >>> I have a strange problem with os.walk and threads in python script. I >>> have one script that create some threads and consume Queue. For every >>> value in Queue this script run os.walk() and printing root dir. But if i >>> increase number of threads the result are inconsistent compared with one >>> thread. >>> >>> For example, run this code plus sort with one thread and after run again >>> with ten threads and see diff(1). >> >> I don't see any difference. I ran it with 1 and 10 workers + sorted the >> output. No diff whatsoever. > > Do you test in one dir with many subdirs? like /usr or /usr/ports (in > freebsd) for example?
Yes, over 1000 subdirs/files. >> >> And I don't know what you mean by diff(1) - was that supposed to be some >> output? > > No. One thread produce one result and ten threads produce another result > with less lines. > > Se example below: > > @@ -13774,8 +13782,6 @@ > /usr/compat/linux/proc/44 > /usr/compat/linux/proc/45 > /usr/compat/linux/proc/45318 > -/usr/compat/linux/proc/45484 > -/usr/compat/linux/proc/45532 > /usr/compat/linux/proc/45857 > /usr/compat/linux/proc/45903 > /usr/compat/linux/proc/46 I'm not sure what that directory is, but to me that looks like the linux /proc dir, containing process ids. Which incidentially changes between the two runs, as more threads will have process id aliases. Try your script on another directory. Diez -- http://mail.python.org/mailman/listinfo/python-list
