A quick note about #2 It is possible to set a default retention policy on the relay to fix that issue See https://github.com/influxdata/influxdb-relay/pull/22/files
On Wednesday, October 26, 2016 at 1:20:53 PM UTC-6, [email protected] wrote: > > Running Kapacitor in an HA setup requires that you figure out a few > things. Here are a few questions you should be asking yourself to get > started. > > 1. Are you already using the relay? If so I would recommend disabling > subscriptions and adding the Kapacitor hosts directly as backend to the > relay. > > 2. Are you specifying the retention policy when you write data? If not > then you will have to use subscriptions and not the relay since Kapacitor > doesn't know the default retention policy for a given database. (This may > change in the future). > > 3. What are you using Kapacitor for? Can that system handle duplicates? > Meaning if you are using Kapacitor to trigger alerts can your alerting > backend deduplicate multiple alerts from multiple Kapacitor hosts? This is > probably the most important piece to figure out. If you can dedup then > running two or more Kapacitor instances in active-active mode is best, > either via subscriptions or the relay. Most common alerting system can > dedup alerts. If you can't dedup then you will have to run two or more > Kapacitor instances in active-passive mode, meaning only one instance is > receiving data at a time. If the active one fails a passive is promoted to > active. You will have to implement the load balancer and promotions pieces > yourself in this case. > > 4. You will need a way to keep the Kapacitor instances in sync as far as > their tasks are concerned. The Kapacitor hosts will not know about each > other and so you will need to either put a proxy in front the the API and > duplicate requests to each Kapacitor instance or otherwise figure out how > to keep them in sync. > > > > On Wednesday, October 26, 2016 at 5:35:36 AM UTC-6, [email protected] > wrote: >> >> Hello, >> >> Currently I am experimenting with different HA setups for InfluxDB. >> I want to use Kapacaitor to generate alerts. I was wondering, what is the >> best setup for Kapacitor in a HA setup? >> >> Do I install multiple Kapacitor instances on all my InfluxDB databases? >> >> I also have a another question. >> >> What is the recommended amount of InfluxDB Databases in a Open Source HA >> solution? I was thinking about 2-3 databases. >> >> I hope someone can help me. >> >> Kind regards >> >> -- Remember to include the version number! --- You received this message because you are subscribed to the Google Groups "InfluxData" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/influxdb. To view this discussion on the web visit https://groups.google.com/d/msgid/influxdb/2385b9db-b642-4735-9833-8ab38ef9cd70%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
