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stream: make _read() be called indefinitely if the user wants so #26135

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stream: make _read() be called indefinitely if the user wants so #26135

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mcollina
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Fixes: #26097

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • commit message follows commit guidelines

@mcollina mcollina requested review from mafintosh and lpinca February 15, 2019 16:21
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@mcollina build started: https://ci.nodejs.org/blue/organizations/jenkins/node-test-pull-request-lite-pipeline/detail/node-test-pull-request-lite-pipeline/2623/pipeline

@nodejs-github-bot nodejs-github-bot added the stream Issues and PRs related to the stream subsystem. label Feb 15, 2019
@mcollina mcollina added dont-land-on-v6.x and removed stream Issues and PRs related to the stream subsystem. labels Feb 15, 2019
@lpinca lpinca added the stream Issues and PRs related to the stream subsystem. label Feb 15, 2019
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lpinca commented Feb 15, 2019 •
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SGTM , is it possible to add a test?

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lpinca commented Feb 15, 2019

nvm, it's there I'm blind :)

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CI: https://ci.nodejs.org/job/node-test-pull-request/20836/

@addaleax addaleax added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Feb 17, 2019
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Resumed CI: https://ci.nodejs.org/job/node-test-pull-request/20860/

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mcollina commented Feb 18, 2019 •
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Benchmark CI (streams): https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/290/
Benchmark CI (http): https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/291/

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CI: https://ci.nodejs.org/job/node-test-pull-request/20874/

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@nodejs/build can you take a look why the benchmarking jobs are broken?

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@nodejs/build can you take a look why the benchmarking jobs are broken?

Issue was reported: nodejs/build#1690

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Trott commented Feb 18, 2019

@nodejs/build can you take a look why the benchmarking jobs are broken?

I've been running benchmarks locally and pasting the results into issues as necessary. It is onerous for sure and I would not blame you at all for waiting until the benchmarking job is fixed. But if you're eager to move forward....

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Here is the one on streams:

$ cat stream-infinite-loop.csv | Rscript benchmark/compare.R
                                                       confidence improvement accuracy (*)   (**)  (***)
 streams/creation.js kind='duplex' n=50000000                         -0.04 %       ±0.89% ±1.18% ±1.54%
 streams/creation.js kind='readable' n=50000000                       -0.16 %       ±0.39% ±0.51% ±0.67%
 streams/creation.js kind='transform' n=50000000                      -0.50 %       ±1.39% ±1.85% ±2.41%
 streams/creation.js kind='writable' n=50000000                       -0.18 %       ±0.86% ±1.14% ±1.49%
 streams/pipe-object-mode.js n=5000000                                 0.08 %       ±0.69% ±0.92% ±1.20%
 streams/pipe.js n=5000000                                             0.32 %       ±0.62% ±0.83% ±1.08%
 streams/readable-bigread.js n=1000                             *     -1.38 %       ±1.30% ±1.74% ±2.30%
 streams/readable-bigunevenread.js n=1000                             -0.29 %       ±0.57% ±0.76% ±1.00%
 streams/readable-boundaryread.js type='buffer' n=2000                 0.14 %       ±1.57% ±2.09% ±2.73%
 streams/readable-boundaryread.js type='string' n=2000                 0.34 %       ±1.87% ±2.49% ±3.24%
 streams/readable-readall.js n=5000                                   -1.00 %       ±1.56% ±2.08% ±2.71%
 streams/readable-unevenread.js n=1000                                -0.07 %       ±0.50% ±0.67% ±0.88%
 streams/writable-manywrites.js n=2000000                              0.10 %       ±0.70% ±0.93% ±1.21%

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CITGM: https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker/1746/

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LGTM

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This can land when CI gets back online.

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Landed in cd302d7

@mcollina mcollina closed this Feb 28, 2019
@mcollina mcollina deleted the fix-read-infinite-loop branch February 28, 2019 15:12
addaleax pushed a commit that referenced this pull request Mar 1, 2019
@mcollina @addaleax
stream: make _read() be called indefinitely if the user wants so
7612574 
Fixes: #26097

PR-URL: #26135
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
@BridgeAR BridgeAR mentioned this pull request Mar 4, 2019
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fjsousa commented Apr 9, 2019

Issue #26097 affects node >=10.0.0. Are there any plans of releasing this fix in the next node 10 release?

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mcollina commented Apr 9, 2019

@nodejs/lts would you mind including this in the next semver-patch of v10.x?

BethGriggs pushed a commit that referenced this pull request Jul 9, 2019
@mcollina @BethGriggs
stream: make _read() be called indefinitely if the user wants so
afba5b5 
Fixes: #26097

PR-URL: #26135
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
BethGriggs pushed a commit that referenced this pull request Jul 17, 2019
@mcollina @BethGriggs
stream: make _read() be called indefinitely if the user wants so
044e753 
Fixes: #26097

PR-URL: #26135
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
@BethGriggs BethGriggs mentioned this pull request Jul 17, 2019
Merged
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@BridgeAR BridgeAR BridgeAR approved these changes

@lpinca lpinca lpinca approved these changes

@addaleax addaleax addaleax approved these changes

@jasnell jasnell jasnell approved these changes

@mafintosh mafintosh mafintosh approved these changes

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