Reduce ProcessCommitWorker memory allocation
In https://gitlab.com/gitlab-com/gl-infra/capacity-planning/-/issues/3#note_969399559 we've noticed that the urgent-other
shard in Sidekiq is suffering from a lot of OOM kills.
In the logs, we could see that the ProcessCommitWorker
is having some instances where it allocates more than 1 GB of memory:
There's even some cases where it allocated more than 30GB of memory: Source
We should reduce this to avoid the containers getting killed when we're close to running out of memory.