cassabon

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large batches, or too many for gocql?

3

Hey @jeffpierce We've started seeing an issue where we get a lot of these in our cassandra system.log: ``` WARN [Native-Transport-Requests:19140753] 2016-07-20 00:59:47,922 BatchStatement.java (line 226) Batch of prepared statements...

vijaykramesh

Improve cluster stability

9

Right now, if we lose a node, we lose the stats that node handles the buckets for until it comes back up. Let's make it more robust so that we...

jeffpierce

Split single binary into separate stats-sink and api-server binaries

4

For robustness, it's probably a good idea to make separate binaries for the separate functions performed by Cassabon: - Receive stats and write them to storage - Serve HTTP requests...

mredivo

Handle grafana queries directly

5

It'd be nice to simply handle queries from Grafana directly rather than needing graphite or graphite-API as a middleman. Let's look at how feasible this might be.

jeffpierce

Handle pickle format stats

2

Carbon handles pickled stats, we don't. We should have this functionality.

jeffpierce

Let's make sure that we have instructions for anyone that wants to submit code to this project on how to set up a Go development environment for it.

jeffpierce

We're hooked in to a CI system now -- let's make sure that we're testing everything we want to test prior to calling it green.

jeffpierce

Add stat deletion/pruning capability

6

Two use cases to address here. 1. Pruning stats older than a certain amount of time and/or pruning from them between a time frame. Possible examples: - http://cassabon.foo.com/metrics/delete/?target=foo.path.bar&until=-14d - http://cassabon.foo.com/metrics/delete/?target=foo.path.bar&from=-21d&to=-7d...

jeffpierce

Create a migration script for when rollup values change

2

Right now, we make the choice that if a rollup value changes for a path, we're basically orphaning data for the windows that changed. Let's see if we can come...

jeffpierce