Limit concurrent pending or initializing Zoekt notes

Arturo Herrerorequested to merge
503542-limit-concurrent-pending-or-initializing-nodes into master

Description

This is a corrective action after an incident #503433 (comment 2202507463). During the incident, we saw 65 initializing namespaces on one node. Here, we want to limit the concurrent pending/initializing namespaces for one node.

Related to #503542 (closed).

Merge request reports