ActionaryThings to do to your workAll operations

Stitch

Record one part at a time without pausing the rest; note what crosses from recorded to unrecorded; one pass, then assemble.

A panorama stitched from frames shot in sequence.

Seen in James Joyce, Ulysses, episode 10, "Wandering Rocks", Paris, 1922

Try it on your work

With your hands

You cannot watch the whole of the thing you're working on at once. Record one part at a time, fully, without pausing the rest. Each time you move to a new part, note anything that passed from a recorded part to an unrecorded one. Stop when every part has been recorded once. Assemble; the crossings are what make the pieces one picture.

In words

Interview each contributor to a project separately about its state, without stopping the work. Ask each only what has come to them from someone already interviewed. Stop when all have been heard once. The account you assemble never existed at one instant, and is still true.

In the process

Audit a running process one stage at a time. At each stage, log what has arrived from stages already audited. Stop after one pass. The audit is consistent even though the process never stood still for it.

How it has been used

Chandy and Lamport devised a way to record a consistent global state of a distributed system without stopping all its processes at once. Each process records its local state, while marker messages identify communications that were in transit across the moving boundary. The assembled snapshot preserves causal sense even though its parts were not captured at one universal instant.

Where it leads

Grouped under Protect what still needs to work

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