[GitHub] [arrow-ballista] Ted-Jiang opened a new issue, #736: [Shuffle] Support cache remote shuffle reader client in executor.

["Ted-Jiang (via GitHub)" <gi...@apache.org>]

Ted-Jiang opened a new issue, #736:
URL: https://github.com/apache/arrow-ballista/issues/736

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   In our env, when executor grows to 100+, when running sql (shuffle 100G) with 10 parallel.  Got 
   ```
   Caused by: java.lang.RuntimeException: Query with job id wXHGdKf failed due to Job failed due to stage 3 failed: Task failed due to runtime execution error: DataFusionError(ArrowError(ExternalError("Arrow error: External error: Shuffle fetch partition error from Executor 10.69.147.148 : 7115d88d-1212-4a4d-95b7-58f5a68600be, map_stage 2, map_partition 3, error desc: Error connecting to Ballista scheduler or executor at http://10.69.147.148:50051/: tonic::transport::Error(Transport, hyper::Error(Connect, Custom { kind: TimedOut, error: Elapsed(()) })) @ GrpcConnectionError")))
   ```
   Seems cache the client is a solution, All cut-edge systems like `iox` and `tikv` did this.
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