diff --git a/docs/Cluster-VictoriaMetrics.md b/docs/Cluster-VictoriaMetrics.md index bbed2daf6..1bb069b04 100644 --- a/docs/Cluster-VictoriaMetrics.md +++ b/docs/Cluster-VictoriaMetrics.md @@ -291,7 +291,8 @@ This guarantees that all the data remains available for querying if up to `N-1` For example, when `-replicationFactor=3` is passed to `vminsert`, then it replicates all the ingested data to 3 distinct `vmstorage` nodes. When the replication is enabled, `-dedup.minScrapeInterval=1ms` command-line flag must be passed to `vmselect` -in order to de-duplicate replicated data during queries. It is OK if `-dedup.minScrapeInterval` exceeds 1ms. +in order to de-duplicate replicated data during queries. It is OK if `-dedup.minScrapeInterval` exceeds 1ms +when [deduplication](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#deduplication) is used additionally to replication. Note that [replication doesn't save from disaster](https://medium.com/@valyala/speeding-up-backups-for-big-time-series-databases-533c1a927883), so it is recommended performing regular backups. See [these docs](#backups) for details.