Fred Blundun

Investigate how to allow event recovery without introducing duplicates

9

One possibility: we could have error JSONs for POSTs mention which specific event in the POST they concern. If this field isn't specified it means that they refer to the...

Change Thrift mirror

2

http://www.eu.apache.org/dist/thrift/0.9.1/thrift-0.9.1.tar.gz isn't working any more. Maybe we should upgrade to 0.9.3? That is available here: http://www.eu.apache.org/dist/thrift/0.9.3/thrift-0.9.3.tar.gz There doesn't seem to be breaking changes in the [Thrift changelog](https://github.com/apache/thrift/blob/master/CHANGES).

Is it possible to parallelize running playbooks when initializing a VM?

1

I think they currently run serially. Changing ``` bash while read pb; do su - -c "source ${env_setup} && ${vagrant_dir}/ansible/bin/ansible-playbook ${vagrant_dir}/${pb} --connection=local --inventory-file=${hosts}" vagrant done

Investigate localStorage in multiple tabs

11

localStorage is shared between tabs, but the localStorage lock is restricted to a single tab. Can trackers operating in different tabs send duplicate events? Possible solution: save the lock in...

In 2.1.0, a form submission unstructured event contains an entry for every radio button. Unchecked buttons are also included, with value `null`. Is there a better way?

Events sent to different collectors have different event_ids

10

If you have multiple collectors active and tell all of them to send an event, that event is actually generated separately for each tracker instance, so the resulting events will...

This may differ from document.referrer for a single page app.

Should we add touch screen events to the list of events which cause page pings?

1

[Here](https://github.com/snowplow/snowplow-javascript-tracker/blob/4e52a258dba248d824c360941caadd338f9e4490/src/js/tracker.js#L1179-L1191) are our current listeners.

Make it possible to use the empty string as the custom referer

2

At the moment this fails due to the falsiness of `''`.

So if a user disables cookies partway through their session, cookies will still show up as enabled in all events for that page view. This was presumably originally done to...