Re: [oe] [meta-oe 3/3] systemd: enable logging to disk instead of tmpfs

2012-03-05 Thread Otavio Salvador
On Mon, Mar 5, 2012 at 14:37, Koen Kooi k...@dominion.thruhere.net wrote:
 +       # create dir for journal
 +       install -d ${D}${localstatedir}/log/journal

I'd prefer if journal could default to use a buffer or something
similar instead of writting to disk as we ought to be careful about
space in embedded devices, in general.

-- 
Otavio Salvador                             O.S. Systems
E-mail: ota...@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br

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Re: [oe] [meta-oe 3/3] systemd: enable logging to disk instead of tmpfs

2012-03-05 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Op 05-03-12 19:12, Otavio Salvador schreef:
 On Mon, Mar 5, 2012 at 14:37, Koen Kooi k...@dominion.thruhere.net
 wrote:
 +   # create dir for journal +   install -d
 ${D}${localstatedir}/log/journal
 
 I'd prefer if journal could default to use a buffer or something similar
 instead of writting to disk as we ought to be careful about space in
 embedded devices, in general.

And that's why patch 1/3 enables xz compression :)

regards,

Koen

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Re: [oe] [meta-oe 3/3] systemd: enable logging to disk instead of tmpfs

2012-03-05 Thread Otavio Salvador
On Mon, Mar 5, 2012 at 17:29, Koen Kooi k...@dominion.thruhere.net wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 Op 05-03-12 19:12, Otavio Salvador schreef:
 On Mon, Mar 5, 2012 at 14:37, Koen Kooi k...@dominion.thruhere.net
 wrote:
 +       # create dir for journal +       install -d
 ${D}${localstatedir}/log/journal

 I'd prefer if journal could default to use a buffer or something similar
 instead of writting to disk as we ought to be careful about space in
 embedded devices, in general.

 And that's why patch 1/3 enables xz compression :)

I understand however I think that write the log to the disk by default
is wrong. We can do it by machine basis or other type of override by
by default we ought to avoid writting to disk.

-- 
Otavio Salvador                             O.S. Systems
E-mail: ota...@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br

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Re: [oe] [meta-oe 3/3] systemd: enable logging to disk instead of tmpfs

2012-03-05 Thread Koen Kooi
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Op 05-03-12 21:55, Otavio Salvador schreef:
 On Mon, Mar 5, 2012 at 17:29, Koen Kooi k...@dominion.thruhere.net
 wrote:
 -BEGIN PGP SIGNED MESSAGE- Hash: SHA1
 
 Op 05-03-12 19:12, Otavio Salvador schreef:
 On Mon, Mar 5, 2012 at 14:37, Koen Kooi k...@dominion.thruhere.net 
 wrote:
 +   # create dir for journal +   install -d 
 ${D}${localstatedir}/log/journal
 
 I'd prefer if journal could default to use a buffer or something
 similar instead of writting to disk as we ought to be careful about
 space in embedded devices, in general.
 
 And that's why patch 1/3 enables xz compression :)
 
 I understand however I think that write the log to the disk by default is
 wrong. We can do it by machine basis or other type of override by by
 default we ought to avoid writting to disk.

Right now it's logging to tmpfs, which takes up ram, which more scarce than
disk. You can easily remove /var/log/journal in ROOTFS_POSTPROCESS_CMD to
make it log to tmpfs again.

regards,

Koen
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Re: [oe] [meta-oe 3/3] systemd: enable logging to disk instead of tmpfs

2012-03-05 Thread Otavio Salvador
On Mon, Mar 5, 2012 at 18:32, Koen Kooi k...@dominion.thruhere.net wrote:
 Right now it's logging to tmpfs, which takes up ram, which more scarce than
 disk. You can easily remove /var/log/journal in ROOTFS_POSTPROCESS_CMD to
 make it log to tmpfs again.

In both cases it is doing the wrong thing IMO; a circular buffer would
be the right thing for a default.

-- 
Otavio Salvador                             O.S. Systems
E-mail: ota...@ossystems.com.br  http://www.ossystems.com.br
Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br

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