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Overview
| Comment: | Added paragraph on feedback loops, control theory, and OODA to the fossil-v-git doc, distilling a recent discussion on the forum. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
b0f2a48f98e0bf0eeabdee4d3b2fdffa |
| User & Date: | wyoung 2019-09-13 12:00:34.679 |
Context
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2019-09-13
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| 12:40 | Enhance the title for the /finfo page when the ubg query parameter is present. Use the ubg query parameter for the document history link on the rebaseharm.md page. ... (check-in: 80f98251 user: drh tags: trunk) | |
| 12:00 | Added paragraph on feedback loops, control theory, and OODA to the fossil-v-git doc, distilling a recent discussion on the forum. ... (check-in: b0f2a48f user: wyoung tags: trunk) | |
| 11:33 | Reworked the final paragraph of the new section 2.8 in fossil-v-git.wiki, adding in a mention of www/branching.wiki to the comparison, to make it fairer. ... (check-in: 8f7576b0 user: wyoung tags: trunk) | |
Changes
Changes to www/fossil-v-git.wiki.
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<li><p><b>Private branches are rare:</b>
[/doc/trunk/www/private.wiki|Private branches exist in Fossil], but
they're normally used to handle rare exception cases, whereas in
many Git projects, they're part of the straight-line development
process.</p></li>
<li><p><b>Identical clones:</b> Fossil's autosync system tries to
| | > > > > > > > > > > > > > > > > | 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 |
<li><p><b>Private branches are rare:</b>
[/doc/trunk/www/private.wiki|Private branches exist in Fossil], but
they're normally used to handle rare exception cases, whereas in
many Git projects, they're part of the straight-line development
process.</p></li>
<li><p><b>Identical clones:</b> Fossil's autosync system tries to
keep each local clone identical to the repository it cloned
from.</p></li>
</ul>
Where Git encourages siloed development, Fossil fights against it.
Fossil places a lot of emphasis on synchronizing everyone's work and on
reporting on the state of the project and the work of its developers, so
that everyone — especially the project leader — can maintain a better
mental picture of what is happening, leading to better situational
awareness.
You can think about this difference in terms of
[https://en.wikipedia.org/wiki/Feedback | feedback loop size], which we
know from the mathematics of
[https://en.wikipedia.org/wiki/Control_theory | control theory] to
directly affect the speed at which any system can safely make changes.
The larger the feedback loop, the slower the whole system must run in
order to avoid loss of control. The same concept shows up in other
contexts, such as in the [https://en.wikipedia.org/wiki/OODA_loop | OODA
loop] concept originally developed to explain the success of the US F-86
Sabre fighter aircraft over the on-paper superior MiG-15, then later
applied in other contexts, such as business process management.
Committing your changes to private branches in order to delay a public
push to the parent repo increases the size of your collaborators'
control loops, either causing them to slow their work in order to safely
react to your work, or to overcorrect in response to each change.
Each DVCS can be used in the opposite style, but doing so works against
their low-friction paths.
<h4 id="scale">2.5.2 Scale</h4>
The Linux kernel has a far bigger developer community than that of
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