ibessonov commented on code in PR #1331:
URL: https://github.com/apache/ignite-3/pull/1331#discussion_r1021384428
##########
modules/table/src/main/java/org/apache/ignite/internal/table/distributed/raft/snapshot/outgoing/OutgoingSnapshot.java:
##########
@@ -143,24 +141,36 @@ public PartitionKey partitionKey() {
/**
* Freezes the scope of this snapshot. This includes taking snapshot
metadata and opening TX data cursor.
- *
- * <p>Must be called under snapshot lock.
*/
- void freezeScope() {
- assert mvOperationsLock.isLocked() : "MV operations lock must be
acquired!";
+ void freezeScopeUnderMvLock() {
+ acquireMvLock();
- frozenMeta = takeSnapshotMeta();
+ try {
+ frozenMeta = takeSnapshotMeta();
- txDataCursor = partition.txStatePartitionStorage().scan();
+ txDataCursor = partition.txStatePartitionStorage().scan();
+ } finally {
+ releaseMvLock();
+ }
}
private SnapshotMeta takeSnapshotMeta() {
- long lastAppliedIndex = Math.max(
- partition.mvPartitionStorage().lastAppliedIndex(),
- partition.txStatePartitionStorage().lastAppliedIndex()
- );
+ long lastAppliedIndex;
+ long lastAppliedTerm;
- return SnapshotMetaUtils.snapshotMetaAt(lastAppliedIndex, logManager);
+ if (partition.mvPartitionStorage().lastAppliedIndex() >=
partition.txStatePartitionStorage().lastAppliedIndex()) {
+ lastAppliedIndex =
partition.mvPartitionStorage().lastAppliedIndex();
+ lastAppliedTerm = partition.mvPartitionStorage().lastAppliedTerm();
+ } else {
+ lastAppliedIndex =
partition.txStatePartitionStorage().lastAppliedIndex();
+ lastAppliedTerm =
partition.txStatePartitionStorage().lastAppliedTerm();
+ }
+
+ return SnapshotMetaUtils.snapshotMetaAt(
+ lastAppliedIndex,
+ lastAppliedTerm,
+
requireNonNull(partition.mvPartitionStorage().committedGroupConfiguration())
Review Comment:
Assertion fits better, I agree
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