Skip to content

A small correction for the ingestion documentation #13

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
tombonfert wants to merge 2 commits into
base: main
Choose a base branch
from
+2 −4
Open

A small correction for the ingestion documentation #13

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
8c51531
A small correction for the ingestion documentation
tombonfert May 13, 2026
b3d86f0
Clarify run-length encoding description in ingestion documentation to…
tombonfert May 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 2 additions & 4 deletions docs/impulse/docs/data_model/ingestion.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -55,11 +55,9 @@ ingesting your own data, four invariants matter most:
If a key is not in the tag table, no expression can find it.
- **`channels` supports two formats.** The query engine accepts either:
- **Raw** — one row per sample: `(container_id, channel_id, timestamp,
value)`. The Delta solver collapses identical consecutive values into
intervals on read.
value)`.
- **RLE** — one row per stable interval: `(container_id, channel_id,
tstart, tend, value)`. Pre-collapse during ingest if you want shorter
scan times.
tstart, tend, value)`. Run-length encoded data, where identical consecutive values are collapsed into intervals to significantly reduce processing time during analysis.

An optional boolean `is_plausible` column lets the solver drop implausible
samples when configured to (`drop_implausible_data=True` on `DeltaSolver`).
Expand Down