rkhachatryan commented on code in PR #19441:
URL: https://github.com/apache/flink/pull/19441#discussion_r852664044
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flink-dstl/flink-dstl-dfs/src/test/java/org/apache/flink/changelog/fs/ChangelogStorageMetricsTest.java:
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@@ -295,6 +349,39 @@ public void close() {
}
}
+ private static class FixedLatencyUploader implements StateChangeUploader {
+ private final long latency;
+
+ public FixedLatencyUploader(long latency) {
+ this.latency = latency;
+ }
+
+ @Override
+ public UploadTasksResult upload(Collection<UploadTask> tasks) throws
IOException {
+ Map<UploadTask, Map<StateChangeSet, Long>> map = new HashMap<>();
+
+ try {
+ TimeUnit.MILLISECONDS.sleep(latency);
Review Comment:
Could you explain why `sleep` is needed here and why an existing
`MaxAttemptUploader` can not be used?
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