GQL timing in graph-node ceased to function

[cryptovestor21]

Configuration -

2 index nodes
1 query node
Agents and 4x services pointing to the query node

query node startup includes GRAPH_LOG_QUERY_TIMING="gql"

This graph query node deployment with GQL timing used to work fine, I wrote all my QLOG scripting on it. I recently came back to QLog and found that there are no GQL timing logs appearing in the graph node log, and when I try to pull data into QLog I end up with no data, which is what I would expect in this scenario.

There is live query traffic hitting the services - I can see indexer_service_queries_ok above zero on a small timeframe. I am assuming this traffic should be served via the query node since that's what the services are pointing to.

The only major change made since I last used this node to get QLogs was deploying multiple service nodes behind a load balancer. Below is a snippet of the node log with debugging. I have not seen this threadpool contention message before.

queryNodeDebug.log