diff options
| author | Ravishankar N <ravishankar@redhat.com> | 2016-01-10 09:19:34 +0530 |
|---|---|---|
| committer | Pranith Kumar Karampuri <pkarampu@redhat.com> | 2016-03-01 03:23:20 -0800 |
| commit | 8210ca1a5c0e78e91c6fab7df7e002e39660b706 (patch) | |
| tree | 432a6836cc685760ee441f4b8e46221947247211 /xlators/mgmt/glusterd/src/glusterd-volume-set.c | |
| parent | ea00992d3d52a51b7c8311ad9565bbbb6e395f9d (diff) | |
afr: Add throttled background client-side heals
If a heal is needed after inode refresh (lookup, read_txn), launch it in
the background instead of blocking the fop (that triggered refresh) until the
heal happens.
afr_replies_interpret() is modified such that the heal is
launched only if atleast one sink brick is up.
Max. no of heals that can happen in parallel is configurable via the
'background-self-heal-count' volume option. Any number greater than that
is put in a wait queue whose length is configurable via
'heal-wait-queue-leng' volume option. If the wait queue is also full,
further heals will be ignored.
Default values: background-self-heal-count=8, heal-wait-queue-leng=128
Change-Id: I1d4a52814cdfd43d90591b6d2ad7b6219937ce70
BUG: 1297172
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/13207
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-volume-set.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-volume-set.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c index dd9d159f0ca..96026a98d95 100644 --- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c +++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c @@ -1119,6 +1119,14 @@ struct volopt_map_entry glusterd_volopt_map[] = { .op_version = GD_OP_VERSION_3_7_0, .flags = OPT_FLAG_CLIENT_OPT }, + { .key = "cluster.heal-wait-queue-length", + .voltype = "cluster/replicate", + .type = DOC, + .op_version = GD_OP_VERSION_3_7_9, + .flags = OPT_FLAG_CLIENT_OPT + }, + + /* stripe xlator options */ { .key = "cluster.stripe-block-size", .voltype = "cluster/stripe", .option = "block-size", |