# If i use Prometheus remote write integration in a high-availability (HA) configuration, how can i make sure my Prometheus servers not send multiple copies of the same metrics

**URL:** <https://discuss.prometheus.io/t/if-i-use-prometheus-remote-write-integration-in-a-high-availability-ha-configuration-how-can-i-make-sure-my-prometheus-servers-not-send-multiple-copies-of-the-same-metrics/341>\
**Category:** General Help/Support\
**Created:** [June 28, 2021, 10:46am UTC](https://discuss.prometheus.io/t/if-i-use-prometheus-remote-write-integration-in-a-high-availability-ha-configuration-how-can-i-make-sure-my-prometheus-servers-not-send-multiple-copies-of-the-same-metrics/341 "2021-06-28T10:46:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![foreverlove](https://avatars.discourse-cdn.com/v4/letter/f/48db29/32.png) [@foreverlove](https://discuss.prometheus.io/u/foreverlove)\
**Post date:** [June 28, 2021, 10:46am UTC](https://discuss.prometheus.io/t/if-i-use-prometheus-remote-write-integration-in-a-high-availability-ha-configuration-how-can-i-make-sure-my-prometheus-servers-not-send-multiple-copies-of-the-same-metrics/341/1 "2021-06-28T10:46:47Z")

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If i use Prometheus remote write integration in a high-availability (HA) configuration, how can i make sure my Prometheus servers not send multiple copies of the same metrics?

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**Author:** ![stuart](https://dub1.discourse-cdn.com/flex017/user_avatar/discuss.prometheus.io/stuart/32/18_2.png) [@stuart](https://discuss.prometheus.io/u/stuart)\
**Post date:** [June 28, 2021, 11:41am UTC](https://discuss.prometheus.io/t/if-i-use-prometheus-remote-write-integration-in-a-high-availability-ha-configuration-how-can-i-make-sure-my-prometheus-servers-not-send-multiple-copies-of-the-same-metrics/341/2 "2021-06-28T11:41:36Z")

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A recent suggestion was a tool such as [GitHub - beorn-/highlander: Reverse proxy handling HA for prometheus server groups remote\_write feature](https://github.com/beorn-/highlander)

Also some remote write endpoints (e.g. Thanos) already handle deduplication for you.