It takes three or more seconds to copy a file when collecting sosreport.
Issue
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It takes about 5 or 6 hours to collect sosreport.
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Checking the sos.log in sosreport, it will take 3 or more seconds to copy a single file. But it only takes milliseconds to copy a file with
cp
command.2014-10-25 15:11:24,592 verbose3: copying file /etc/udev/udev.conf 2014-10-25 15:11:27,586 verbose3: copying file /etc/udev/rules.d/40-multipath.rules 2014-10-25 15:11:30,572 verbose3: copying file /etc/udev/rules.d/95-dataeng-udev.rules 2014-10-25 15:11:33,562 verbose3: copying file /etc/udev/rules.d/60-pcmcia.rules 2014-10-25 15:11:36,549 verbose3: copying file /etc/udev/rules.d/99-fuse.rules 2014-10-25 15:11:39,549 verbose3: copying file /etc/udev/rules.d/90-hal.rules 2014-10-25 15:11:42,540 verbose3: copying file /etc/udev/rules.d/60-net.rules 2014-10-25 15:11:45,521 verbose3: copying file /etc/udev/rules.d/05-udev-early.rules 2014-10-25 15:11:48,511 verbose3: copying file /etc/udev/rules.d/85-pcscd_ccid.rules 2014-10-25 15:11:51,503 verbose3: copying file /etc/udev/rules.d/60-wacom.rules 2014-10-25 15:11:54,493 verbose3: copying file /etc/udev/rules.d/95-pam-console.rules 2014-10-25 15:11:57,480 verbose3: copying file /etc/udev/rules.d/61-uinput-wacom.rules 2014-10-25 15:12:00,471 verbose3: copying file /etc/udev/rules.d/51-hotplug.rules 2014-10-25 15:12:03,466 verbose3: copying file /etc/udev/rules.d/bluetooth.rules 2014-10-25 15:12:06,467 verbose3: copying file /etc/udev/rules.d/61-uinput-stddev.rules 2014-10-25 15:12:09,449 verbose3: copying file /etc/udev/rules.d/60-raw.rules 2014-10-25 15:12:12,431 verbose3: copying file /etc/udev/rules.d/90-alsa.rules 2014-10-25 15:12:15,421 verbose3: copying file /etc/udev/rules.d/98-kexec.rules 2014-10-25 15:12:18,434 verbose3: copying file /etc/udev/rules.d/90-dm.rules 2014-10-25 15:12:21,427 verbose3: copying file /etc/udev/rules.d/50-udev.rules
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When collecting sosreport, the cpu usage will jump to 100%:
# ps auxwwwf |grep sosreport
Environment
- Red Hat Enterprise Linux 5 update 8
- python-2.4.3-46.el5.x86_64
- sos-1.7-9.62.el5.noarch
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