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CDC OOM when creating 300 changefeed in a short time. #1182

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asddongmen opened this issue Mar 27, 2025 · 0 comments
Open

CDC OOM when creating 300 changefeed in a short time. #1182

asddongmen opened this issue Mar 27, 2025 · 0 comments
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severity/moderate type/bug The issue is confirmed as a bug.

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@asddongmen
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asddongmen commented Mar 27, 2025 •
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There are 10M tables upstream.
The creation of each changefeed requires loading all the tables from the upstream. This means that the creation of each changefeed takes 20 minutes to load the tables and consumes approximately 30GB of memory. Which casue OOM when creating 300 changefeeds in a short time.

CDC Version

> ./cdc version
Release Version: v9.0.0-alpha-185-gb3c5be2a
Git Commit Hash: b3c5be2a5565c111a4babfe10b5b7f3bfb87da74
Git Branch: master
UTC Build Time: 2025-03-27 03:10:59
Go Version: go version go1.23.4 darwin/arm64
Failpoint Build: false
@asddongmen asddongmen added severity/moderate type/bug The issue is confirmed as a bug. labels Mar 27, 2025
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