Re: very poor ext3 write performance on big filesystems?

2008-02-19 Thread Tomasz Chmielewski
. As most of the ideas here in this thread assume (re)creating a new filesystem from scratch - would perhaps playing with /proc/sys/vm/dirty_ratio and /proc/sys/vm/dirty_background_ratio help a bit? -- Tomasz Chmielewski http://wpkg.org - To unsubscribe from this list: send the line unsubscribe

Re: very poor ext3 write performance on big filesystems?

2008-02-19 Thread Tomasz Chmielewski
Chris Mason schrieb: On Tuesday 19 February 2008, Tomasz Chmielewski wrote: Theodore Tso schrieb: (...) The following ld_preload can help in some cases. Mutt has this hack encoded in for maildir directories, which helps. It doesn't work very reliable for me. For some reason, it hangs

Re: very poor ext3 write performance on big filesystems?

2008-02-18 Thread Tomasz Chmielewski
most of the files will have multiple hardlinks). I noticed using write back helps a tiny bit, but as dm and md don't support write barriers, I'm not very eager to use it. [1] http://backuppc.sf.net http://backuppc.sourceforge.net/faq/BackupPC.html#some_design_issues -- Tomasz Chmielewski

fsck for... tmpfs?

2008-01-10 Thread Tomasz Chmielewski
if it was some borked/disconnected network filesystem. But it's tmpfs! Other than that, the system is stable, there were no syslog or dmesg entries. All that with 2.6.23.12. Ideas? -- Tomasz Chmielewski http://wpkg.org - To unsubscribe from this list: send the line unsubscribe linux-fsdevel