On 03/07/2023 19:13, Nikolaos Paraskakis wrote:
Is there any way changing job vertex parallelism during runtime (downtime
included)? For example, via REST API?
At this time, no.
1.18.0 will ship with FLIP-291
<https://cwiki.apache.org/confluence/display/FLINK/FLIP-291%3A+Externalized+Declarative+Resource+Management>,
which allows you to change a jobs parallelism IF you are using the
adaptive scheduler
<https://nightlies.apache.org/flink/flink-docs-release-1.17/docs/deployment/elastic_scaling/#adaptive-scheduler>.
