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rustfs/docs
唐小鸭 116a5299b2 fix(replication): replay the MRF journal periodically (#9139)
* fix(replication): replay the MRF journal periodically

The persisted MRF journal was replayed only at startup. Delete-marker
purges whose watch window drained with targets unreachable, and
replications that overflowed the worker queues, reach the journal while
the server runs, so they waited for a restart to converge.

Move the startup pass into replay_mrf_journal and rerun it every five
minutes from a background loop. The existing recovery leader lock keeps
one pass at a time across the cluster, including the startup pass.

* fix(replication): space periodic MRF replay across nodes

Every node runs the MRF replay loop and the recovery leader lock only
serializes passes, so an N-node cluster replayed the same retained
backlog N times per interval while a target stayed down.

Record the start time of a pass that finds entries in a shared replay
stamp and skip a periodic pass when any node started one within the
interval. The startup pass still always runs.
2026-11-03 17:06:14 +00:00
..

Documentation

Use the focused indexes rather than treating this directory as an unordered collection:

Operations

For PUT cleanup admission, blocking-pool isolation, and optional CPU affinity, see PUT cleanup isolation.

For the logical per-operation io_uring read cap, see io_uring read chunk size.

For bounded local read-backend startup and cancellation, see io_uring backend initialization.

For legacy protection assessment and bounded protected copies, see Object integrity inventory, audit, and migration.

For encrypted listing compatibility and older stored fingerprints, see Encrypted object ETags.

For durable hard quota accounting, node-outage behavior, and fence protocol upgrades, see Durable hard quotas.

Operational runbooks live under operations/. Replication operators should start with:

Runbook Use it for
Site replication operations Health fields, pending operations, outage recovery, re-pair admission, IAM/SSE boundaries, and upgrades.
Replication target check Validating an S3 destination and version fidelity before enabling replication.
Replication object size limits Multipart routing, large-object limits, and retry characteristics.
Replication outbound transport Integrity headers, generic target behavior, and transport knobs.

For the erasure-coded cluster lifecycle (planning, parity and EC:0, expansion, rebalance, decommission, heal, drive replacement, restart recovery, and the rc CLI mapping), start with Cluster and erasure-coding lifecycle operations.

For concurrent bucket creation and deletion, see Bucket operation admission.

For persisted administrator bucket tasks and bucket recreation, see Bucket heal recovery.

For interrupted object deletions and returning drives, see Delete transaction recovery.

For disk replacement across VM restarts and schema 5/6 maintenance migration, see Replacement generation recovery.

For historical GET timeouts during PUT or Heal, see Object lock contention diagnostics.

Other runbooks remain grouped by filename in operations/; architecture pages link to the relevant runbook where a cross-boundary procedure is required.

For storage dashboards, see Storage metrics and observer selection: drive ownership, snapshot freshness, counter queries, and rolling upgrades.

For per-bucket capacity and object counts, see Bucket usage metrics: OTLP export, cluster deduplication, accounting semantics, and scanner freshness.

For optional shard commitments, see Independent shard integrity rollout: activation, legacy repair results, multipart mode changes, and rollback limits.

For crates.io publication of workspace crates, see Workspace Cargo Publish: dependency ordering, dry-run, publish, and failure handling.