Bug 1894038
| Summary: | pybind/mgr/volumes: Make number of cloner threads configurable | ||
|---|---|---|---|
| Product: | [Red Hat Storage] Red Hat Ceph Storage | Reporter: | Kotresh HR <khiremat> |
| Component: | CephFS | Assignee: | Kotresh HR <khiremat> |
| Status: | CLOSED ERRATA | QA Contact: | Amarnath <amk> |
| Severity: | low | Docs Contact: | Ranjini M N <rmandyam> |
| Priority: | medium | ||
| Version: | 4.1 | CC: | ceph-eng-bugs, rmandyam, tserlin, vereddy |
| Target Milestone: | --- | ||
| Target Release: | 4.3 | ||
| Hardware: | All | ||
| OS: | All | ||
| Whiteboard: | |||
| Fixed In Version: | ceph-14.2.22-2.el8cp, ceph-14.2.22-2.el7cp | Doc Type: | Enhancement |
| Doc Text: |
.Use `max_concurrent_clones` option to configure the number of clone threads
Previously, the number of concurrent clones was not configurable and the default was 4.
With this release, the maximum number of concurrent clones is configurable using the manager configuration option:
.Syntax
[source,subs="verbatim,quotes"]
----
ceph config set mgr mgr/volumes/max_concurrent_clones _VALUE_
----
Increasing the maximum number of concurrent clones could improve the performance of the storage cluster.
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-05-05 07:53:21 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 2031070 | ||
|
Description
Kotresh HR
2020-11-03 12:01:17 UTC
@khiremat - Are we planning to have this in 4.3 ?? Any update on this ? Functionality wise it is working as expected
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot create cephfs subvol_1 snap_1 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_1 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_1
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_2 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_3 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_4 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_5 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_1
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_2
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_3
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_4
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_5
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "pending"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph config set mgr mgr/volumes/max_concurrent_clones 2
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_6 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_7 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_8 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs subvolume snapshot clone cephfs subvol_1 snap_1 clone_9 --group_name subvolgroup_1
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_6
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_7
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "in-progress"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_8
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "pending"
}
}
[root@ceph-amk4-uafwty-node7 ~]# ceph fs clone status cephfs clone_9
{
"status": {
"source": {
"volume": "cephfs",
"group": "subvolgroup_1",
"snapshot": "snap_1",
"subvolume": "subvol_1"
},
"state": "pending"
}
}
Thanks Koteresh Command works fine n 4.3 builds [root@ceph-amk4-4idci5-node7 ~]# ceph config get mgr.ceph-amk4-4idci5-node2 mgr/volumes/max_concurrent_clones 2 [root@ceph-amk4-4idci5-node7 ~]# Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: Red Hat Ceph Storage 4.3 Security and Bug Fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:1716 |