azagrebin commented on a change in pull request #6777: [FLINK-10461] [State Backends, Checkpointing] Speed up download files when restore from DFS URL: https://github.com/apache/flink/pull/6777#discussion_r242903778
########## File path: flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBStateBackend.java ########## @@ -686,6 +697,17 @@ public RocksDBNativeMetricOptions getMemoryWatcherOptions() { return options; } + /** + * Gets the thread number will used for downloading files from DFS when restore. + */ + public int getNumberOfRestoringThreads() { + return numberOfRestoringThreads == -1 ? RocksDBOptions.CHECKPOINT_RESTORE_THREAD_NUM.defaultValue() : numberOfRestoringThreads; Review comment: Let's keep it in sync with the logic for `enableIncrementalCheckpointing` for now. Later, we can revisit/refactor the backend configuration. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services