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stream: use ByteLengthQueuingStrategy when not in object mode #48847

Merged
merged 14 commits into from
May 12, 2024
Merged

stream: use ByteLengthQueuingStrategy when not in object mode #48847

merged 14 commits into from
May 12, 2024

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CGQAQ
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@CGQAQ CGQAQ commented Jul 20, 2023 •
edited

Use ByteLengthQueuingStrategy when not in object mode

After this PR

Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
converting node stream to web stream
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
Array buffers memory usage is 0 MiB
reading the chunks
Array buffers memory usage is 2 MiB
Array buffers memory usage is 31 MiB
Array buffers memory usage is 9 MiB
Array buffers memory usage is 18 MiB
Array buffers memory usage is 9 MiB
Array buffers memory usage is 5 MiB
Array buffers memory usage is 8 MiB
Array buffers memory usage is 17 MiB
Array buffers memory usage is 13 MiB
Array buffers memory usage is 12 MiB
Array buffers memory usage is 19 MiB
Array buffers memory usage is 20 MiB
Array buffers memory usage is 31 MiB
Array buffers memory usage is 11 MiB
Array buffers memory usage is 24 MiB
Array buffers memory usage is 17 MiB

fixes: #46347

@nodejs-github-bot nodejs-github-bot added needs-ci PRs that need a full CI run. web streams labels Jul 20, 2023
@CGQAQ CGQAQ changed the title stream: don't pull for first time (fixes #46347) stream: don't pull for the first time (fixes #46347) Jul 20, 2023
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debadree25 commented Jul 20, 2023 •
edited

This would probably not be spec compliant, https://streams.spec.whatwg.org/#readable-stream-default-controller-should-call-pull I do not think we are allowed to add additional steps not mentioned in the spec

@CGQAQ CGQAQ requested a review from debadree25 July 21, 2023 02:06
@CGQAQ CGQAQ changed the title stream: don't pull for the first time (fixes #46347) stream: fix wrong stream type in adapters.js (fixes nodejs#46347) Jul 21, 2023
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@CGQAQ CGQAQ changed the title stream: fix wrong stream type in adapters.js (fixes nodejs#46347) stream: use ByteLengthQueuingStrategy when not in object mode Jul 21, 2023
@CGQAQ CGQAQ force-pushed the stream-nodestream-toweb branch 2 times, most recently from c5c66b4 to 81c3376 Compare July 21, 2023 09:52
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A previous PR had attempted the same, nonethless would cc @nodejs/whatwg-stream to take a look!

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jasnell commented Sep 14, 2023

This would probably not be spec compliant, streams.spec.whatwg.org/#readable-stream-default-controller-should-call-pull I do not think we are allowed to add additional steps not mentioned in the spec

Given that this is for our Node.js stream adapters, this change should be fine.

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debadree25
debadree25 reviewed Sep 15, 2023
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test/parallel/test-stream-readable-to-web.js

assert(currentMemoryUsage <= 256 * 1024 * 1024);
};
setInterval(reportMemoryUsage, 1000);
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I wonder if this test could be somewhat flakey? too many timeouts but nonetheless shouldn't be a blocker

mcollina
mcollina approved these changes Sep 15, 2023
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lgtm

@debadree25 debadree25 added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Sep 15, 2023
This was referenced Sep 16, 2023
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@aduh95 aduh95 merged commit 261e88e into nodejs:main May 12, 2024
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aduh95 commented May 12, 2024

Landed in 261e88e

targos pushed a commit that referenced this pull request May 12, 2024
@CGQAQ @targos
stream: use ByteLengthQueuingStrategy when not in objectMode
8d3b0b7 
Fixes: #46347
PR-URL: #48847
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
@CGQAQ CGQAQ deleted the stream-nodestream-toweb branch May 13, 2024 02:33
@targos targos mentioned this pull request May 13, 2024
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lukins-cz pushed a commit to lukins-cz/OS-Aplet-node that referenced this pull request Jun 1, 2024
@CGQAQ @lukins-cz
stream: use ByteLengthQueuingStrategy when not in objectMode
55b9cb0 
Fixes: nodejs#46347
PR-URL: nodejs#48847
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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@jasnell jasnell jasnell approved these changes

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Readable.toWeb seems to load file contents to memory
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