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net: set default highwatermark at socket creation time #48882

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net: set default highwatermark at socket creation time #48882

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@lukiano lukiano commented Jul 22, 2023

This PR is to make a recent code changes backwards compatible with previous releases of Node.JS, as depicted in #47405 (comment)

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@nodejs-github-bot nodejs-github-bot added needs-ci PRs that need a full CI run. net Issues and PRs related to the net subsystem. labels Jul 22, 2023
lukiano
lukiano commented Jul 22, 2023
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lib/net.js Outdated
if (typeof options.highWaterMark !== 'undefined') {
validateNumber(
options.highWaterMark, 'options.highWaterMark',
0
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@lukiano lukiano Jul 22, 2023

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I'm throwing an error if options.highWaterMark is less than zero. Alternatively, we can fallback to a default value of undefined.

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I'm okay with being more strict and forbid negative values.

lukiano
lukiano commented Jul 22, 2023
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lib/net.js Outdated
this.keepAlive = Boolean(options.keepAlive);
this.keepAliveInitialDelay = ~~(options.keepAliveInitialDelay / 1000);
this.highWaterMark = options.highWaterMark ?? getDefaultHighWaterMark();
this.highWaterMark = options.highWaterMark ?? undefined;
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@lukiano lukiano Jul 22, 2023

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Theoretically this.highWaterMark = options.highWaterMark; should suffice if we are happy with falsy values.

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Yes, let's accept falsy values.

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ShogunPanda commented Jul 22, 2023

Can you also please fix linter issues?

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from a6dc57b to d6e7851 Compare July 22, 2023 12:37
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ShogunPanda commented Jul 22, 2023

LGTM now.
Can you also update docs?

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mcollina commented Jul 24, 2023

Tests are failing

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from d6e7851 to 624f697 Compare July 24, 2023 11:45
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lukiano commented Jul 24, 2023

I've amended the tests.

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from 624f697 to b0572e0 Compare July 24, 2023 11:49
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lukiano commented Jul 24, 2023

I've also made the procedure more evident in the documentation.

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LGTM!

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from b0572e0 to 9f859b9 Compare July 24, 2023 20:14
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lukiano commented Jul 24, 2023

Fixed some linting issues.

@lpinca lpinca added the semver-major PRs that contain breaking changes and should be released in the next major version. label Jul 27, 2023
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doc/api/http.md Outdated
`readableHighWaterMark` and `writableHighWaterMark`. This affects
`highWaterMark` property of both `IncomingMessage` and `ServerResponse`.
**Default:** See [`stream.getDefaultHighWaterMark()`][].
**Default:** `undefined`. Sockets will use the default watermark value at the time the request arrives. See [`stream.getDefaultHighWaterMark()`][].
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I would keep it consistent and add a line break after 80 characters.

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The lint job fails for this reason.

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@lukiano lukiano Jul 28, 2023

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Addressed

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from 9f859b9 to 18696df Compare July 28, 2023 10:08
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CI: https://ci.nodejs.org/job/node-test-pull-request/53127/

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aduh95 commented Sep 29, 2023

This needs a rebase to fix the git conflicts.

@lukiano lukiano force-pushed the fix/watermark-at-socket-creation branch from 18696df to 3a500ba Compare September 29, 2023 11:05
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lukiano commented Sep 29, 2023

Thanks. Rebased

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CI: https://ci.nodejs.org/job/node-test-pull-request/55778/

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CI: https://ci.nodejs.org/job/node-test-pull-request/55797/

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CI: https://ci.nodejs.org/job/node-test-pull-request/55828/

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CI: https://ci.nodejs.org/job/node-test-pull-request/56538/

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aduh95 commented Feb 23, 2025

This needs another rebase unfortunately

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@lpinca lpinca lpinca approved these changes

@ShogunPanda ShogunPanda ShogunPanda approved these changes

@jasnell jasnell jasnell approved these changes

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@lukiano @nodejs-github-bot @ShogunPanda @mcollina @aduh95 @jasnell @lpinca