Re: Re: INSERT INTO will work faster in Flink than in regular database?

2022-09-22 Thread Martijn Visser
Hi, What is your use case? Flink doesn't have an UPDATE statement, because Flink relies on Dynamic Tables and Continuous Queries. [1] Best regards, Martijn [1] https://nightlies.apache.org/flink/flink-docs-stable/docs/dev/table/concepts/dynamic_tables/ On Wed, Sep 21, 2022 at 5:40 PM Xuyang w

Re: Difference between Checkpoint and Savepoint

2022-09-22 Thread Martijn Visser
Hi, There's a specific page on the Flink documentation which explains the difference between checkpoints and savepoints at https://nightlies.apache.org/flink/flink-docs-stable/docs/ops/state/checkpoints_vs_savepoints/ - Have you read this? If so, what's missing so that we can improve the page? Be

Re: How to read flink state data without setting uid?

2022-09-22 Thread Chesnay Schepler
You will need to reload the savepoint with the original job and add uids to all operators (while also setting the uid hashes on all operators to properly restore the state). On 22/09/2022 11:06, Chesnay Schepler wrote: Currently the state processor API does not support that. On 22/09/2022 11:

Re: How to read flink state data without setting uid?

2022-09-22 Thread Chesnay Schepler
Currently the state processor API does not support that. On 22/09/2022 11:02, BIGO wrote: I didn't set the uid for my flink operator, is there any way to read the flink state data? State Processor API requires uid. Thanks.

How to read flink state data without setting uid?

2022-09-22 Thread BIGO
I didn't set the uid for my flink operator, is there any way to read the flink state data? State Processor API requires uid. Thanks.

Difference between Checkpoint and Savepoint

2022-09-22 Thread Muzzammil Ameen (muameen)
Hi folks, I would like to know the difference between externalized checkpoint and savepoint. Regarding externalized checkpoint, is the checkpoint written to persistent storage only if the job is failed or suspended? What about cancelled or killed by the user? What information is written to persi