feat(xo-server): limit VM migration concurrency

Fixes #6065
vatesfr · Jan 4, 2022 · 0bd17e8 · 0bd17e8
1 parent d307134
commit 0bd17e8
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diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
@@ -7,6 +7,9 @@
 
 > Users must be able to say: “Nice enhancement, I'm eager to test it”
 
+- Limit number of concurrent VM migrations per pool to `3` [#6065](https://github.com/vatesfr/xen-orchestra/issues/6065) (PR [#6076](https://github.com/vatesfr/xen-orchestra/pull/6076))
+  Can be changed in `xo-server`'s configuration file: `xapiOptions.vmMigrationConcurrency`
+
 ### Bug fixes
 
 > Users must be able to say: “I had this issue, happy to know it's fixed”

diff --git a/packages/xo-server/src/xapi/index.mjs b/packages/xo-server/src/xapi/index.mjs
@@ -82,6 +82,7 @@ export default class Xapi extends XapiBase {
     restartHostTimeout,
     vdiExportConcurrency,
     vmExportConcurrency,
+    vmMigrationConcurrency = 3,
     vmSnapshotConcurrency,
     ...opts
   }) {
@@ -96,6 +97,7 @@ export default class Xapi extends XapiBase {
     this._exportVdi = limitConcurrency(vdiExportConcurrency, waitStreamEnd)(this._exportVdi)
     this.exportVm = limitConcurrency(vmExportConcurrency, waitStreamEnd)(this.exportVm)
 
+    this._migrateVmWithStorageMotion = limitConcurrency(vmMigrationConcurrency)(this._migrateVmWithStorageMotion)
     this._snapshotVm = limitConcurrency(vmSnapshotConcurrency)(this._snapshotVm)
 
     // Patch getObject to resolve _xapiId property.