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docs: document taskmanager-cpu-limit and combined size qualifiers - #2320

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@velo velo commented Aug 27, 2026

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Documents two additions to Flink cloud deployment config from DataSQRL/cloud-compilation#1274. FlinkDeploymentConfig's javadoc requires this page to move in the same change as its fields.

taskmanager-cpu-limit — a new "Task Manager CPU Limit" section covering the accepted forms ("2x", "4000m", "4"), how it relates to the existing "Max CPU Burst" column, when raising it is the right lever, and the Burstable-vs-Guaranteed QoS consequence. Also added to the deployment JSON example at the top.

Combined size qualifiers.cpu may now be paired with one memory qualifier in either order, so medium.cpu.mem is 4 CPU / 16 GB. The note explains why that is not the same as moving up to large, which has identical CPU and memory but twice the task slots and so spreads the extra CPU across twice as many subtasks.

Docs only — no code in this repo changes.

Signed-off-by: Marvin Froeder <marvin@datasqrl.com>
@velo velo changed the title Document taskmanager-cpu-limit and combined size qualifiers docs: document taskmanager-cpu-limit and combined size qualifiers Aug 27, 2026
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Signed-off-by: Marvin Froeder <marvin@datasqrl.com>
@velo velo closed this Aug 31, 2026
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velo deleted the docs/flink-cpu-limit branch August 31, 2026 14:41
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