microsoft / microsoft/SandDance
vscode: "Allocation failed - JavaScript heap out of memory" for large dataset
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help wanted
- Dominant language
- TypeScript
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- Merged PRs (30d)
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Description
Besides a lot of RAM available this error happens when I try to open a large CSV file (803MB).
Console shows:
FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
1: 0x562d86afdd15 [/usr/share/code/code]
2: 0x562d86afde8a [/usr/share/code/code]
3: 0x562d837914f1 [/usr/share/code/code]
4: 0x562d8383e6f2 [/usr/share/code/code]
5: 0x562d83846d04 [/usr/share/code/code]
6: 0x562d83406f4c v8::internal::Factory::NewRawOneByteString(int, v8::internal::PretenureFlag) [/usr/share/code/code]
7: 0x562d83866c64 [/usr/share/code/code]
8: 0x562d837afe89 v8::String::Utf8Length(v8::Isolate*) const [/usr/share/code/code]
9: 0x562d86b283ee [/usr/share/code/code]
10: 0x562d83155781 [/usr/share/code/code]
11: 0x562d839ffd0e [/usr/share/code/code]
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the failure while opening the linked 803MB CSV in the VS Code-based application, using the console error as the initial symptom to investigate. Done means the large dataset can be opened without the JavaScript heap out-of-memory failure.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- typescript, vscode
- Domain
- data-visualization, desktop
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100