mxm commented on code in PR #26640:
URL: https://github.com/apache/flink/pull/26640#discussion_r2152224322
##########
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/state/rocksdb/RocksDBStateUploader.java:
##########
@@ -39,25 +39,32 @@
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
+import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
+import java.util.Random;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
/** Help class for uploading RocksDB state files. */
public class RocksDBStateUploader implements Closeable {
private static final int READ_BUFFER_SIZE = 16 * 1024;
-
+ private final Duration uploadJitter;
+ private final Random random;
private final RocksDBStateDataTransferHelper transfer;
@VisibleForTesting
- public RocksDBStateUploader(int numberOfSnapshottingThreads) {
-
this(RocksDBStateDataTransferHelper.forThreadNum(numberOfSnapshottingThreads));
+ public RocksDBStateUploader(int numberOfSnapshottingThreads, Duration
uploadJitter) {
+ this(
+
RocksDBStateDataTransferHelper.forThreadNum(numberOfSnapshottingThreads),
+ uploadJitter);
}
- public RocksDBStateUploader(RocksDBStateDataTransferHelper transfer) {
+ public RocksDBStateUploader(RocksDBStateDataTransferHelper transfer,
Duration uploadJitter) {
this.transfer = transfer;
+ this.uploadJitter = uploadJitter;
+ this.random = new Random(uploadJitter.toMillis());
Review Comment:
What do you think?
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