oracle / oracle/visualvm

Save heap dumps as compressed .hprof.gz

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#177 1 comment 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
Java
Stars
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Forks
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PR merge metrics
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Description

Is your feature request related to a problem? Please describe.
Heap dumps are often huge.

Describe the solution you'd like
So let's offer saving them in a compressed way, such as .hprof.gz using GZIPOutputStream.

Describe alternatives you've considered

Additional context

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points. Start by locating the existing heap-dump save flow and its HPROF output handling; then trace where the requested GZIPOutputStream support would fit. Done means offering compressed .hprof.gz output for heap dumps and verifying that the saved result is compressed.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
devtools, performance
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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