Update readme and add some deps

This commit is contained in:
Hugh Kaznowski
2026-09-05 12:12:28 +01:00
parent cbdb145f68
commit 818f8d09ea
3 changed files with 530 additions and 1 deletions
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edition = "2024" edition = "2024"
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@@ -20,7 +20,7 @@ ottyl reads the logs via stdin and indexes it in-memory in a BTreeMap for proper
This is the main program, hosting the webapp over axum. This is the main program, hosting the webapp over axum.
The engine reads stdin and sends line-split messages to a log ingester. The engine reads stdin and sends line-split messages to a log ingester.
The log ingester holds a mutex over a BTreeMap<IndexKey, DataValue>. The log ingester holds a BTreeMap<IndexKey, DataValue>.
The BTreeMap may be a custom variation of the std library one, because we need to be able to scan specific ranges and jump to keys. The BTreeMap may be a custom variation of the std library one, because we need to be able to scan specific ranges and jump to keys.
``` ```
@@ -90,6 +90,19 @@ enum MetricPrimitive {
} }
``` ```
## Tasks
The ingestion tasks reads stdin, sequences the logs, timestamps them and sends over a channel to the engine task.
The engine task processes incoming logs and incoming requests.
It should be lock-free and the sole-owner of the btreemap.
Axum is not a specific task, but exists and serves the API and frontend.
API requests get validated (like, correct syntax etc etc) and then requests are sent over a channel to the engine.
The request includes a byte buffer, for response serialisation to go into it.
The engine does the serialisation, because it is the sole owner of the btreemap and should not be copying memory simply to serialise it later.
A callback is given, so the API knows the request is processed and response is ready to send back from the byte buffer.
Rkyv can be used if that helps, otherwise sending raw bytes is fine as well.
# WebApp # WebApp
@@ -174,4 +187,22 @@ There should be support for promql queries to derive the visualisation.
Supported charts should be bar chart, line chart, and pie chart. Supported charts should be bar chart, line chart, and pie chart.
# Ideas
This part describes ideas that can be implemented in the future, but not now.
## Ntfy.sh alerts
Have matchers you are interested in.
Configure the ntfy.sh channel.
Send to the channel when an event triggers.
## Sequence diagram of events
It would be awesome if it were possible to declare participants of a sequence diagram using parameters or matchers.
Example `node_id` for a cluster test or something.
Then it may be possible to capture specific events of interest.
There wouldn't be a relation between nodes, only the sequence of events determines relations in the sequence diagram.