| Commit message (Collapse) | Author | Age | Files | Lines |
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This allows to make libmount not mandatory but depending on nfsrahead
since it only requires it. This is useful when cross-compiling because
in that case we need rpcgen only built for host but not nfsrahead that
also require libmount. So this reduces the dependencies for host
building.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Kernel commit c128e575514c ("NFS: Optimise the default readahead size")
changed the calculation for NFS readahead from a multiple of rsize to
the system default, 128 kiB. This setting has been causing read heavy
workloads to underperform by at least 30%, as show below.
$ cat /sys/class/bdi/0\:55/read_ahead_kb
128
$ for i in {0..3} ; do dd if=/mnt/testfile.bin of=/dev/null bs=1M 2>&1 \
| grep copied ; echo 3 > /proc/sys/vm/drop_caches ; done
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 17.056 s, 252 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 17.1258 s, 251 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 16.5981 s, 259 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 16.5487 s, 260 MB/s
$ echo 15360 > /sys/class/bdi/0\:55/read_ahead_kb
$ for i in {0..3} ; do dd if=/mnt/testfile.bin of=/dev/null bs=1M 2>&1 \
| grep copied ; echo 3 > /proc/sys/vm/drop_caches ; done
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 12.3855 s, 347 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 11.2528 s, 382 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 11.9849 s, 358 MB/s
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 11.2953 s, 380 MB/s
This patch and the following create a tool for automatically setting NFS
readahead during the mount, nfsrahead. The tool is invoked from udev
when the NFS backing device is created in kernel, and sets the readahead
using the sysfs interface.
Signed-off-by: Thiago Becker <tbecker@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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And create a shell script that launches the python program from the $(libdir)
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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This tool parses the output from the following files
/proc/fs/nfsd/clients/*/{states,info}
Signed-off-by: Achilles Gaikwad <agaikwad@redhat.com>
Signed-off-by: Kenneth D'souza <kdsouza@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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To try to maintain some type of name convention
rename clddb-tool to nfsdclddb
Signed-off-by: Steve Dickson <steved@redhat.com>
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The "clddb-tool" is mainly for downgrading the nfsdcld sqlite database
schema in the event that an admin wants to downgrade nfsdcld. It also
provides options for fixing corrupt table names (note newer versions of
nfsdcld take care of this automatically) and for printing the contents
of the database.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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This tool uses the conffile facilities to allow commandline
querying of configuration settings and to dump the current
config for diagnosis and testing
Signed-off-by: Justin Mitchell <jumitche@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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Ultimately it makes sense to remove remove rpcgen from the nfs-utils
release as it is already in the glibc release. With this patch
you can use the system rpcgen to make sure it works.
It is not default yet, but it might be in a future release.
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We don't need it (any more).
Also add AM_PROG_CC_C_O as we seem to need it..
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This is not used, does not seem useful, and causes compile
problems on some distgributions.
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