Why Quarkus MDC numeric fields silently break OpenSearch queries — and how to fix it

If you're running Quarkus with JSON logging and shipping to OpenSearch, This means queries like durationMs > 1000 silently return nothing. Here's why it happens and two ways to fix it. Quarkus uses JBoss Log Manager under the hood. When you set MDC values: MDC.put("durationMs", String.valueOf(dura