diff options
Diffstat (limited to 'docs/measurements.md')
| -rw-r--r-- | docs/measurements.md | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/docs/measurements.md b/docs/measurements.md index a444862..9036031 100644 --- a/docs/measurements.md +++ b/docs/measurements.md @@ -2,8 +2,7 @@ What a node measures about itself and its peers, where to read it, and what the numbers mean. Everything here comes from traffic and work the node has anyway; it -sends no probes of its own and nothing is measured by anyone else, but for the -dashboard's map (LINKS, only while someone looks at it). +sends no probes of its own and nothing is measured by anyone else. Four places to read: @@ -179,7 +178,7 @@ clocks"); setting them is the operating system's job (NTP). Messages and payload bytes by direction (`sent`, `received`, `refused`) and kind (`hello`, `helloReply`, `sync`, `status`, `statusReply`, `blob`, `identity` for WHO and -ME, `paths` for PING and PONG, `links` for LINKS and their replies, `probe` for PROBE +ME, `paths` for PING and PONG, `probe` for PROBE and PROBE_REPLY, `plumtree` for PRUNE and GRAFT, `hyparview` for NEIGHBOUR, NEIGHBOUR_REPLY and DISCONNECT). The layers below the node count WHO and ME, and the paths layer's own PINGs and PONGs, under the address they went to or came from; a peer @@ -302,13 +301,13 @@ outgrowing the full save (busy swarm, or a `--document-rewrite` set low). In builds with the `dashboard` cargo feature, `GET /admin/dashboard` is a page showing `/admin/stats`, `/peers` and a map of the swarm, live: [`dashboard.md`](dashboard.md), and how it works -underneath (events, LINKS) at its end. Its LINKS are the one thing a node sends only to -measure: the links every member reports, while someone looks. +underneath (events, subscriptions) at its end. Other members' links it reads from +them, over HTTP, from the nodes the page subscribes to: no messages in the swarm. ## What is not measured -* Nothing about other nodes but what they send us: no probes, no remote figures (but - the dashboard's LINKS). +* Nothing about other nodes but what they send us: no probes, no remote figures (the + dashboard's page reads those of the nodes it subscribes to from them). * Clock skew between nodes that aren't each other's peers: only peers' clocks are compared (`clock`, per peer). * Remake durations and outcomes: the remake reports (`GET /admin/remakes`) hold them. |