tkalkirill commented on code in PR #1530:
URL: https://github.com/apache/ignite-3/pull/1530#discussion_r1081133385
##########
modules/storage-rocksdb/src/main/java/org/apache/ignite/internal/storage/rocksdb/RocksDbTableStorage.java:
##########
@@ -635,19 +644,117 @@ private static ColumnFamilyDescriptor
sortedIndexCfDescriptor(String cfName, Sor
@Override
public CompletableFuture<Void> startRebalancePartition(int partitionId) {
- // TODO: IGNITE-18027 Implement
- throw new UnsupportedOperationException();
+ return inBusyLock(busyLock, () -> {
+ RocksDbMvPartitionStorage mvPartitionStorage =
getMvPartitionBusy(partitionId);
+
+ if (mvPartitionStorage == null) {
+ throw new
StorageRebalanceException(createMissingMvPartitionErrorMessage(partitionId));
+ }
+
+ assert !destroyFutureByPartitionId.containsKey(partitionId) :
mvPartitionStorage.createStorageInfo();
+
+ try (WriteBatch writeBatch = new WriteBatch()) {
+ mvPartitionStorage.startRebalance(writeBatch);
+
+ getHashIndexStorages(partitionId).forEach(index ->
index.startRebalance(writeBatch));
+ getSortedIndexStorages(partitionId).forEach(index ->
index.startRebalance(writeBatch));
+
+ db.write(writeOptions, writeBatch);
+
+ CompletableFuture<Void> rebalanceFuture =
completedFuture(null);
+
+ CompletableFuture<Void> previousRebalanceFuture =
rebalanceFutureByPartitionId.putIfAbsent(partitionId, rebalanceFuture);
+
+ assert previousRebalanceFuture == null :
mvPartitionStorage.createStorageInfo();
+
+ return rebalanceFuture;
+ } catch (RocksDBException e) {
+ throw new StorageRebalanceException(
+ "Error when trying to start rebalancing storage: " +
mvPartitionStorage.createStorageInfo(),
+ e
+ );
+ }
+ });
}
@Override
public CompletableFuture<Void> abortRebalancePartition(int partitionId) {
- // TODO: IGNITE-18027 Implement
- throw new UnsupportedOperationException();
+ return inBusyLock(busyLock, () -> {
+ RocksDbMvPartitionStorage mvPartitionStorage =
getMvPartitionBusy(partitionId);
+
+ if (mvPartitionStorage == null) {
+ throw new
StorageRebalanceException(createMissingMvPartitionErrorMessage(partitionId));
+ }
+
+ CompletableFuture<Void> rebalanceFuture =
rebalanceFutureByPartitionId.remove(partitionId);
+
+ if (rebalanceFuture == null) {
+ return completedFuture(null);
+ }
+
+ return rebalanceFuture.thenAccept(unused -> {
Review Comment:
You're right.
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