perf: EOWC over window fetch cache concurrently

[st1page]

risingwave/src/stream/src/executor/over_window/eowc.rs

Lines 255 to 262 in 783442d

	Self::ensure_key_in_cache(
	this,
	&mut vars.partitions,
	&partition_key,
	&encoded_partition_key,
	)
	.await?;
	let partition: &mut Partition =

[lmatz]

Are

• q6-group-top1.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L137-L154
• q9.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L216-L246
• q18.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L386-L401

proper query candidates to be measured?

[stdrc]

Are

• q6-group-top1.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L137-L154
• q9.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L216-L246
• q18.sql: https://github.com/risingwavelabs/kube-bench/blob/main/manifests/nexmark/nexmark-eowc-sinks.template.yaml#L386-L401

proper query candidates to be measured?

We don't have a proper query to measure over window performance yet. The most related one is q6-group-top1.

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