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fix(replication): collect site status without holding topology locks

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Snapshot peers before concurrent status collection and release the state lock before local metadata and IAM reads. Keep result indexing, peer credentials and errors tied to that snapshot; return a copied current peer state with cached IAM data.

Cover storage, remote requests, configuration changes, cancellation and cached peer state. Confirm the healing entry and all five helpers with deterministic writer probes under the race detector. Refs #341.

Signed-off-by: Feng Ruohang <rh@vonng.com>
This commit is contained in:
Feng Ruohang
2026-11-11 14:43:42 +08:00
parent e36ea51d9c
commit 2f228284f3
3 changed files with 255 additions and 44 deletions
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cmd/iam-revision.go
+1 -1
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@@ -724,7 +724,7 @@ func (c *SiteReplicationSys) healIAMDeletions(ctx context.Context) (err error) {
}
}
var progressMu sync.Mutex
cerr := c.concDo(nil, func(id string, p madmin.PeerInfo) error {
cerr := c.state.concDo(nil, func(id string, p madmin.PeerInfo) error {
// Bound each pass, but retain acknowledgements independently of the
// pass deadline or unrelated changes at either site.
peerCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)