Problems when saving multiple errors in a short interval of time

[hyperionel]

There are some problems when we send multiple errors at once probably caused by the limited number of connections to the db.

2016-06-23T12:42:37.627449+00:00 app[sidekiq.1]: 3 TID-owjgz5hac WARN: ActiveRecord::ConnectionTimeoutError: could not obtain a database connection within 5.000 seconds (waited 5.004 seconds)

Every error it tries to add after that will throw something like this:

2016-06-23T12:06:30.119582+00:00 app[sidekiq.1]: 3 TID-owj4c1gh0 WARN: {"class":"ErrorStore::Error::ErrorWorker","args":["issue:5:1aa8ec938bce626487c886bc1a436336"],"retry":3,"queue":"default","jid":"9606836e14bc9e5afb160274","created_at":1466683583.2348309,"enqueued_at":1466683583.234889,"error_message":"PG::TRSerializationFailure: ERROR: could not serialize access due to read/write dependencies among transactions\nDETAIL: Reason code: Canceled on identification as a pivot, during commit attempt.\nHINT: The transaction might succeed if retried.\n: