glusterfs.git -

	Commit message (Collapse)	Author	Age	Files	Lines
*	features/shard: Handle offset in appending writes	Pranith Kumar K	2017-05-27	1	-1/+0
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	When a file is opened with append, all writes are appended at the end of file irrespective of the offset given in the write syscall. This needs to be considered in shard size update function and also for choosing which shard to write to. At the moment shard piggybacks on queuing from write-behind xlator for ordering of the operations. So if write-behind is disabled and two parallel appending-writes come both of which can increase the file size beyond shard-size the file will be corrupted. BUG: 1455301 Change-Id: I9007e6a39098ab0b5d5386367bd07eb5f89cb09e Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17387 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
*	extras: Provide group set for gluster-block workloads	Pranith Kumar K	2017-05-12	1	-0/+17
	For gluster-block workloads I/O is always with o-direct so it doesn't benefit by any of the perf xlators so disabling all of them to save on memory. performance.quick-read=off performance.read-ahead=off performance.io-cache=off performance.stat-prefetch=off performance.write-behind=off performance.open-behind=off performance.readdir-ahead=off We want the I/O on the file to be with o-direct network.remote-dio=enable Options that are proven to give good performance with VM workloads which is very similar to gluster-block cluster.eager-lock=enable cluster.quorum-type=auto cluster.data-self-heal-algorithm=full cluster.locking-scheme=granular cluster.shd-max-threads=8 cluster.shd-wait-qlength=10000 features.shard=on It is better to turn off things we are not using user.cifs=off It is better to have allow-insecure to be on so that ports that are > 1024 in tcmu-runner are allowed. server.allow-insecure=on Change-Id: I9a21c824fa42242f02b57569feedd03d9b6f9439 BUG: 1450010 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17254 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us>