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Hi folks -- My machine is a RHEL 3 with 2.4 kernel installed - with some large ext3 filesystems on drives connected internally ( >200G) Now, When this system crashed (for eg:- a CPU panic /hardware error ) - e2fsck on this filesystem seems to be taking a long time to return thereby adding to the overall downtime of this system. could there be any workarounds for my issue? say for

Hi, On Sun, 28 Feb 2016, Linus Torvalds wrote: > > So the kernel obviously is already using its own C dialect, that is > > pretty far from standard C. All these options also have a negative > > impact on the performance of the generated code. > > They really don't. They do. > Have you ever seen code that cared about signed integer overflow? > > Yeah,

Hello! I have the problem that in my function the passed variable is not used, but the variable name of the dataframe itself?- difficult to explain, but an easy example: TestFunc<-function(df, group) { ??? print(names(subset(df, select=group))) } df1<-data.frame(group="G1", visit="V1", value=0.9) TestFunc(df1, c("group", "visit")) Result: [1]

We have been struggling with our Lustre performance for some time now especially with large directories. I recently did some informal benchmarking (on a live system so I know results are not scientifically valid) and noticed a huge drop in performance of reads(stat operations) past 20k files in a single directory. I''m using bonnie++, disabling IO testing (-s 0) and just creating, reading,

On Sun, Feb 28, 2016 at 12:27 AM, Markus Trippelsdorf <markus at trippelsdorf.de> wrote: >> > >> > -fno-strict-overflow >> >> -fno-strict-aliasing. > > Do not forget -fno-delete-null-pointer-checks. > > So the kernel obviously is already using its own C dialect, that is > pretty far from standard C. > All these options also have a negative

Here are patches to do offline deduplication for Btrfs. It works well for the cases it''s expected to, I''m looking for feedback on the ioctl interface and such, I''m well aware there are missing features for the userspace app (like being able to set a different blocksize). If this interface is acceptable I will flesh out the userspace app a little more, but I believe the

Hi, I''m looking to build a virtualized web hosting server environment accessing files on a hybrid storage SAN. I was looking at using the Sun X-Fire x4540 with the following configuration: - 6 RAID-Z vdevs with one hot spare each (all 500GB 7200RPM SATA drives) - 2 Intel X-25 32GB SSD''s as a mirrored ZIL - 4 Intel X-25 64GB SSD''s as the L2ARC. -

Greetings, I got the below dmesg and the first bad commit is commit cf39c8e5352b4fb9efedfe7e9acb566a85ed847c Merge: 3398d25 23b7eaf Author: Linus Torvalds <torvalds@linux-foundation.org> Date: Wed Sep 4 17:45:39 2013 -0700 Merge tag ''stable/for-linus-3.12-rc0-tag'' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull Xen updates from Konrad