Messages in this thread | | | Date | Sat, 20 Nov 2004 18:41:10 -0800 | From | Hans Reiser <> | Subject | Re: performance of filesystem xattrs with Samba4 |
| |
tridge@samba.org wrote:
>Hans, > >A bit more information about the slowdown between runs (and eventual >lockup) with reiser4 that I reported in my last email. > >I found that a umount/mount between runs solved the problem, leading >to a fairly consistent result and no lockup. I also found that running >a simple /bin/sync between runs solved the problem. > >This implies to me that it is some in-memory structure that is the >culprit. I can't see anything obvious in /proc/slabinfo, but its been >a while since I've done any serious kernel development so maybe I just >don't know what to look for. > >I also tried enabling the "strict sync" option in Samba4. This makes >the 1% flush operations in the load file map to fsync() instead of a >noop. This caused reiser4 to lockup almost immediately, with the same >symptoms as the previous lockups I reported (all smbd processes stuck >in D state). No oops messages or anything unusual in dmesg. > >Cheers, Tridge >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > > > Thanks much tridge. vs, please respond in detail. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |