nielm commented on PR #32694: URL: https://github.com/apache/beam/pull/32694#issuecomment-2400237332
> did [efee92b](https://github.com/apache/beam/commit/efee92bf02b55bee86848a9d0d291de58cb8412a) introduce a regression? If so is this fix needed a cherry-pick into upcoming 2.60.0 release? In some situations, yes, so yes please. can you cherry-pick (want a regression bug?) Specific cause: Spanner has a max number of 400 sessions in a session pool, where a session is used for a read or a write operation. When using streaming pipelines on Dataflow with a high degree of parallelisation, where each work item can be reading from and writing to spanner, Dataflow will have up to 300 threads per worker, which potentially means 300 simultaneous read sessions, and 300 simultaneous downstream writes. In some scenarios, this can lead to session pool exhaustion, followed by a worker failing due to this flag. -- 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]
