8000 Memory leak with sandbox.isolateModules and older mssql module · Issue #1236 · jsreport/jsreport · GitHub
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Memory leak with sandbox.isolateModules and older mssql module #1236

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pofider opened this issue May 30, 2025 · 0 comments
Open

Memory leak with sandbox.isolateModules and older mssql module #1236

pofider opened this issue May 30, 2025 · 0 comments

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@pofider
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pofider commented May 30, 2025

jsreport leaks memory with the default config, with the following script

const sql = require('mssql')

function beforeRender(req, res) {
}

This happens only with older mssql package version 7.3.5 and doesn't happen with the latest 11.0.1.
This also doesn't happen when the sandbox.isolateModules is false.

To easily replicate the issue is the best to limit workers memory

 "workers": {
    "numberOfWorkers": 1,
    "resourcesLimits": {
      "maxOldGenerationSizeMb ": "10MB"    
    }
  }
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