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@@ -1,5 +1,12 @@
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= Linux Metrics Exporter for OpenShift Nodes =
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+:author: Grega Bremec
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+:email: gregab-at-p0f-dot-net
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+:revnumber: 1.0
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+:revdate: 6th November 2022
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+
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+:toc:
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+
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== Components ==
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. Container Image for SAR
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@@ -87,7 +94,7 @@ Configure prometheus with a data source from the `exporter` container.
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[subs=+quotes]
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------
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-$ *podman inspect -f '{{.NetworkSettings.IPAddress}}' exporter
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+$ *podman inspect -f '{{.NetworkSettings.IPAddress}}' exporter*
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10.88.0.8
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$ *tail -n15 tmp-test/prometheus.yml*
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@@ -137,13 +144,14 @@ image::pics/sysstat-sample-sched.png[scaledwidth="95%" width="95%"]
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.Sysstat I/O Information, Single Host
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image::pics/sysstat-sample-io.png[scaledwidth="95%" width="95%"]
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-== Images ==
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+== Container Images ==
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This set of images requires a valid entitlement for RHEL (and consequently
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either a RHEL system to build on or a RHEL system to create an entitlement
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secret from).
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-IMPORTANT: You do not have to build the images, I have built them for `x86_64` and made them available on `quay.io/benko/`.
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+IMPORTANT: You do not have to build the images, I have already built them (for
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+ `x86_64` architecture only) and made them available on `quay.io/benko/`.
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=== SAR ===
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@@ -211,8 +219,7 @@ rootless container), it also *requires* the `CAP_SYS_PACCT` capability
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`PERIOD`::
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Sampling period in seconds. Defaults to `10`. Increase this to something
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- like `30` (or more) for hosts with many network interfaces, block devices,
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- and/or CPUs.
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+ like `30` (or more) for hosts with many thousands of processes.
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`CUMULATIVE`::
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Tells the collection process to never reset the `pacct` file and just keep
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@@ -253,6 +260,8 @@ In `application.properties` or as Java system properties:
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Defaults to `/metrics` but obviously can't be that for testing outside of a
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container.
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+You can use the same settings https://quarkus.io/guides/config-reference[as environment variables].
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+
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==== Debugging ====
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There are a couple of logger categories that might help you see what's going on.
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