State topic fields

Each topic writes its readings under sparklogs.data.<topic>. The topic page lists every field and its meaning.

Topic	What it carries
Agent overhead	Agent CPU, working set, and handle measurements.
Agent pipeline	Agent queue and delivery measurements.
Collector health	Per-collector health and activity.
Crash dump configuration	Crash dump readiness and recent dump activity.
Disk volumes	Capacity, trend, protection, and filesystem readings for fixed volumes.
Device drivers	Installed driver packages and their changes.
Feed health	Per-feed input and shipping health.
Installed products	Installed product inventory rows.
Installed product summary	Installed-product counts and protection coverage.
Host performance	Whole-host CPU and memory measurements.
Processes	Per-process resource use and growth.
Windows services	Service configuration and run state.
Storage device IO	Per-device IO activity and response measurements.
Storage devices	Physical and virtual storage device inventory.
Storage IO	Storage throughput, queue, and latency measurements.
System information	Machine identity and operating-system posture.
Top processes	The busiest processes by CPU, plus a remainder row for the rest.
Volume map	Mappings between volumes, partitions, and devices.
VSS shadow storage	Shadow-copy storage allocation and use.
VSS writers	VSS writer identity and state.
Windows Update agent state	Update scan activity and freshness.