You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
157 lines
6.1 KiB
157 lines
6.1 KiB
3 years ago
|
From f293f7ac2f75c58d81da1229b484eb530b7083b5 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Sunny Kumar <sunkumar@redhat.com>
|
||
|
|
Date: Fri, 20 Sep 2019 09:39:12 +0530
|
||
|
|
Subject: [PATCH 299/302] geo-rep: performance improvement while syncing
|
||
|
|
renames with existing gfid
|
||
|
|
|
||
|
|
Problem:
|
||
|
|
The bug[1] addresses issue of data inconsistency when handling RENAME with
|
||
|
|
existing destination. This fix requires some performance tuning considering
|
||
|
|
this issue occurs in heavy rename workload.
|
||
|
|
|
||
|
|
Solution:
|
||
|
|
If distribution count for master volume is one do not verify op's on
|
||
|
|
master and go ahead with rename.
|
||
|
|
|
||
|
|
The performance improvement with this patch can only be observed if
|
||
|
|
master volume has distribution count one.
|
||
|
|
|
||
|
|
[1]. https://bugzilla.redhat.com/show_bug.cgi?id=1694820
|
||
|
|
Backport of:
|
||
|
|
|
||
|
|
>fixes: bz#1753857
|
||
|
|
>Change-Id: I8e9bcd575e7e35f40f9f78b7961c92dee642f47b
|
||
|
|
>Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
|
||
|
|
|
||
|
|
Upstream Patch:
|
||
|
|
https://review.gluster.org/#/c/glusterfs/+/23459/
|
||
|
|
|
||
|
|
BUG: 1726000
|
||
|
|
Change-Id: I8e9bcd575e7e35f40f9f78b7961c92dee642f47b
|
||
|
|
Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
|
||
|
|
Reviewed-on: https://code.engineering.redhat.com/gerrit/181893
|
||
|
|
Tested-by: RHGS Build Bot <nigelb@redhat.com>
|
||
|
|
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
|
||
|
|
---
|
||
|
|
geo-replication/gsyncd.conf.in | 5 +++++
|
||
|
|
geo-replication/syncdaemon/gsyncd.py | 2 ++
|
||
|
|
geo-replication/syncdaemon/monitor.py | 2 ++
|
||
|
|
geo-replication/syncdaemon/resource.py | 13 +++++++++++--
|
||
|
|
geo-replication/syncdaemon/syncdutils.py | 11 +++++++++++
|
||
|
|
5 files changed, 31 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/geo-replication/gsyncd.conf.in b/geo-replication/gsyncd.conf.in
|
||
|
|
index 5ebd57a..9155cd8 100644
|
||
|
|
--- a/geo-replication/gsyncd.conf.in
|
||
|
|
+++ b/geo-replication/gsyncd.conf.in
|
||
|
|
@@ -23,6 +23,11 @@ configurable=false
|
||
|
|
type=int
|
||
|
|
value=1
|
||
|
|
|
||
|
|
+[master-distribution-count]
|
||
|
|
+configurable=false
|
||
|
|
+type=int
|
||
|
|
+value=1
|
||
|
|
+
|
||
|
|
[glusterd-workdir]
|
||
|
|
value = @GLUSTERD_WORKDIR@
|
||
|
|
|
||
|
|
diff --git a/geo-replication/syncdaemon/gsyncd.py b/geo-replication/syncdaemon/gsyncd.py
|
||
|
|
index a4c6f32..6ae5269 100644
|
||
|
|
--- a/geo-replication/syncdaemon/gsyncd.py
|
||
|
|
+++ b/geo-replication/syncdaemon/gsyncd.py
|
||
|
|
@@ -134,6 +134,8 @@ def main():
|
||
|
|
help="Directory where Gluster binaries exist on slave")
|
||
|
|
p.add_argument("--slave-access-mount", action="store_true",
|
||
|
|
help="Do not lazy umount the slave volume")
|
||
|
|
+ p.add_argument("--master-dist-count", type=int,
|
||
|
|
+ help="Master Distribution count")
|
||
|
|
|
||
|
|
# Status
|
||
|
|
p = sp.add_parser("status")
|
||
|
|
diff --git a/geo-replication/syncdaemon/monitor.py b/geo-replication/syncdaemon/monitor.py
|
||
|
|
index 234f3f1..236afe7 100644
|
||
|
|
--- a/geo-replication/syncdaemon/monitor.py
|
||
|
|
+++ b/geo-replication/syncdaemon/monitor.py
|
||
|
|
@@ -37,6 +37,8 @@ def get_subvol_num(brick_idx, vol, hot):
|
||
|
|
tier = vol.is_tier()
|
||
|
|
disperse_count = vol.disperse_count(tier, hot)
|
||
|
|
replica_count = vol.replica_count(tier, hot)
|
||
|
|
+ distribute_count = vol.distribution_count(tier, hot)
|
||
|
|
+ gconf.setconfig("master-distribution-count", distribute_count)
|
||
|
|
|
||
|
|
if (tier and not hot):
|
||
|
|
brick_idx = brick_idx - vol.get_hot_bricks_count(tier)
|
||
|
|
diff --git a/geo-replication/syncdaemon/resource.py b/geo-replication/syncdaemon/resource.py
|
||
|
|
index b16db60..189d8a1 100644
|
||
|
|
--- a/geo-replication/syncdaemon/resource.py
|
||
|
|
+++ b/geo-replication/syncdaemon/resource.py
|
||
|
|
@@ -377,6 +377,7 @@ class Server(object):
|
||
|
|
def entry_ops(cls, entries):
|
||
|
|
pfx = gauxpfx()
|
||
|
|
logging.debug('entries: %s' % repr(entries))
|
||
|
|
+ dist_count = rconf.args.master_dist_count
|
||
|
|
|
||
|
|
def entry_purge(op, entry, gfid, e, uid, gid):
|
||
|
|
# This is an extremely racy code and needs to be fixed ASAP.
|
||
|
|
@@ -686,9 +687,15 @@ class Server(object):
|
||
|
|
raise
|
||
|
|
else:
|
||
|
|
raise
|
||
|
|
- elif not matching_disk_gfid(gfid, en):
|
||
|
|
+ elif not matching_disk_gfid(gfid, en) and dist_count > 1:
|
||
|
|
collect_failure(e, EEXIST, uid, gid, True)
|
||
|
|
else:
|
||
|
|
+ # We are here which means matching_disk_gfid for
|
||
|
|
+ # both source and destination has returned false
|
||
|
|
+ # and distribution count for master vol is greater
|
||
|
|
+ # then one. Which basically says both the source and
|
||
|
|
+ # destination exist and not hardlinks.
|
||
|
|
+ # So we are safe to go ahead with rename here.
|
||
|
|
rename_with_disk_gfid_confirmation(gfid, entry, en,
|
||
|
|
uid, gid)
|
||
|
|
if blob:
|
||
|
|
@@ -1409,7 +1416,9 @@ class SSH(object):
|
||
|
|
'--slave-gluster-log-level',
|
||
|
|
gconf.get("slave-gluster-log-level"),
|
||
|
|
'--slave-gluster-command-dir',
|
||
|
|
- gconf.get("slave-gluster-command-dir")]
|
||
|
|
+ gconf.get("slave-gluster-command-dir"),
|
||
|
|
+ '--master-dist-count',
|
||
|
|
+ str(gconf.get("master-distribution-count"))]
|
||
|
|
|
||
|
|
if gconf.get("slave-access-mount"):
|
||
|
|
args_to_slave.append('--slave-access-mount')
|
||
|
|
diff --git a/geo-replication/syncdaemon/syncdutils.py b/geo-replication/syncdaemon/syncdutils.py
|
||
|
|
index 2ee10ac..aadaebd 100644
|
||
|
|
--- a/geo-replication/syncdaemon/syncdutils.py
|
||
|
|
+++ b/geo-replication/syncdaemon/syncdutils.py
|
||
|
|
@@ -926,6 +926,14 @@ class Volinfo(object):
|
||
|
|
else:
|
||
|
|
return int(self.get('disperseCount')[0].text)
|
||
|
|
|
||
|
|
+ def distribution_count(self, tier, hot):
|
||
|
|
+ if (tier and hot):
|
||
|
|
+ return int(self.get('hotBricks/hotdistCount')[0].text)
|
||
|
|
+ elif (tier and not hot):
|
||
|
|
+ return int(self.get('coldBricks/colddistCount')[0].text)
|
||
|
|
+ else:
|
||
|
|
+ return int(self.get('distCount')[0].text)
|
||
|
|
+
|
||
|
|
@property
|
||
|
|
@memoize
|
||
|
|
def hot_bricks(self):
|
||
|
|
@@ -994,6 +1002,9 @@ class VolinfoFromGconf(object):
|
||
|
|
def disperse_count(self, tier, hot):
|
||
|
|
return gconf.get("master-disperse-count")
|
||
|
|
|
||
|
|
+ def distribution_count(self, tier, hot):
|
||
|
|
+ return gconf.get("master-distribution-count")
|
||
|
|
+
|
||
|
|
@property
|
||
|
|
@memoize
|
||
|
|
def hot_bricks(self):
|
||
|
|
--
|
||
|
|
1.8.3.1
|
||
|
|
|