danny0405 commented on code in PR #17610: URL: https://github.com/apache/hudi/pull/17610#discussion_r2629419669
########## rfc/rfc-102/rfc-102.md: ########## @@ -0,0 +1,116 @@ + <!-- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> +# RFC-102: RLI support for Flink streaming + +## Proposers + +- @danny0405 + +## Approvers + - @geserdugarov + - @vinothchandar + - @cshuo + +## Status + +GH Discussion: https://github.com/apache/hudi/discussions/17452 + +> Please keep the status updated in `rfc/README.md`. + +## Abstract +This RFC aims to introduce RLI support for Flink streaming: + +- Impl reliable and performant write and read support for RLI via Flink APIs; +- The RLI impl is engines compatible, for e.g, Flink can access and utilize the RLI written by Spark and vice versa; +- The RLI is global, upserts among partitions is supported; Also support partition level RLI for large fact tables; +- Async compaction for MDT when RLI is enabled; in writer pipeline or table services background job; +- Smart caching of RLI; +- Clearly set limits for the kind of write throughput supported by RLI (based on certain average response time for the RLI access, like from x0ms to x00ms) via empirical benchmarks; Review Comment: > I suppose that it should be done by Flink with backpressure mechanism. backpressure can handle the regular volumn fluctuate instead of the continupus lagging for processing, which would cause stability issues though. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
