# Interval node per flow vs. single "driver" interval node

**URL:** <https://discourse.nodered.org/t/interval-node-per-flow-vs-single-driver-interval-node/50190>\
**Category:** General\
**Created:** [25 August 2021 23:35 UTC](https://discourse.nodered.org/t/interval-node-per-flow-vs-single-driver-interval-node/50190 "2021-08-25T23:35:08Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dennishvo](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dennishvo/32/2896_2.png) [@dennishvo](https://discourse.nodered.org/u/dennishvo)\
**Post date:** [25 August 2021 23:35 UTC](https://discourse.nodered.org/t/interval-node-per-flow-vs-single-driver-interval-node/50190/1 "2021-08-25T23:35:08Z")

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I have an application with multiple flows, each driven by it's own interval node that is set to fire every second. Is there a difference between that approach vs linking out from a single interval node to each of the other flows?

I've tried it both ways, and I don't see any obvious differences in behavior or efficiency. From a style perspective, giving each flow its own interval node makes the application easier to understand. But is one approach preferable to the other?

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**Author:** ![Gunner](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/gunner/32/43582_2.png) [@Gunner](https://discourse.nodered.org/u/Gunner)\
**Post date:** [26 August 2021 00:37 UTC](https://discourse.nodered.org/t/interval-node-per-flow-vs-single-driver-interval-node/50190/2 "2021-08-26T00:37:49Z")

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Entirely depends on whether you need discreet triggering for some things or not.

Else 1 `inject` with 10 wires to 10 `nodes` is the same as 10 `inject`s (assuming all set the same way)

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [25 October 2021 00:38 UTC](https://discourse.nodered.org/t/interval-node-per-flow-vs-single-driver-interval-node/50190/3 "2021-10-25T00:38:39Z")

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