Slow access to folders with Caja

Slow access to folders with Caja

Postby lucamax on Sat Mar 09, 2013 2:18 am

I use Caja with Mint 14 Nadia 64 bit, the access to folders is quite slow , about 4-5 seconds to any folder, even if this contains just one file

My pc: Dell Precision M4400, P8600, 4 gb ram, Intel SSD 250gb
- Ext4 partition
- no previews in file manager (Caja)
- no thumbnails
- swap present but disable
- noatime,nodiratime in fstab
- trim enable
- Samba not installed
- system cache stored in ram : in fstab --> tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0

While opening a folder cpu cores jump from 15%+13% to 52%+53% of usage
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Re: Slow access to folders with Caja

Postby caf4926 on Sat Mar 09, 2013 3:37 am

Test it from the live session install DVD/USB (whatever you used)
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Re: Slow access to folders with Caja

Postby catweazel on Sat Mar 09, 2013 5:42 am

lucamax wrote:- trim enable

Hmmmm... Do this in a terminal:

Code: Select all
fstrim -v /


Tell me the result and how long it took to come back to the console prompt.
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Re: Slow access to folders with Caja

Postby lucamax on Sat Mar 09, 2013 12:08 pm

Hi,
this is the result of
Code: Select all
 sudo fstrim -v /
:
119068770304 bytes were trimmed , it took about 20 seconds
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Re: Slow access to folders with Caja

Postby lucamax on Sat Mar 09, 2013 12:21 pm

caf4926 wrote:Test it from the live session install DVD/USB (whatever you used)

From a live USB session it takes about 1 second to open the folders on the SSD drive, much faster.

I already experience that Mint 13 64 bit was slower when transferred on a Samsung 840 SSD drive but now it is a fresh install of Mint 14 on a different SSD drive .
I suppose it might be some tweak I have applied to reduce unnecessary disk writes.
I have followed these suggestions:
http://apcmag.com/how-to-maximise-ssd-p ... -linux.htm
http://www.howtogeek.com/62761/how-to-t ... rformance/
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Re: Slow access to folders with Caja

Postby caf4926 on Sat Mar 09, 2013 12:31 pm

lucamax wrote:
caf4926 wrote:Test it from the live session install DVD/USB (whatever you used)

From a live USB session it takes about 1 second to open the folders on the SSD drive, much faster.

I already experience that Mint 13 64 bit was slower when transferred on a Samsung 840 SSD drive but now it is a fresh install of Mint 14 on a different SSD drive .
I suppose it might be some tweak I have applied to reduce unnecessary disk writes.
I have followed these suggestions:
http://apcmag.com/how-to-maximise-ssd-p ... -linux.htm
http://www.howtogeek.com/62761/how-to-t ... rformance/


I tend to leave things be
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Re: Slow access to folders with Caja

Postby catweazel on Sat Mar 09, 2013 5:19 pm

lucamax wrote:
caf4926 wrote:I suppose it might be some tweak I have applied to reduce unnecessary disk writes.

I want you to to test again in your OS after issuing the command I gave you above. Is there any difference now?
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Re: Slow access to folders with Caja

Postby lucamax on Sun Mar 10, 2013 1:40 pm

Hi,
no, no differences after the fstrim -v / command.
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Re: Slow access to folders with Caja

Postby lucamax on Sat Jun 15, 2013 2:22 am

Hello guys,
still have the problem, it even get worse.

Any ideas ?
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