WingsGo opened a new issue #3132: [Alter]AlterJobs in big table will use to much memory, which may cause FullGC URL: https://github.com/apache/incubator-doris/issues/3132 The old alterJob has clear logic to avoid consume too much memory, but I found that alterJobV2 don't, In our scenario, This problem may cause FullGC frequently. In the screenshot, schemaChangeJob consume more than half memory.
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