congbobo184 commented on issue #6697: Fix filesystem offload oom URL: https://github.com/apache/pulsar/pull/6697#issuecomment-612358562 > @congbobo184 thanks for your pull request. I have applied the modification. However, the OOM still occurs. > <img alt="Screen Shot 2020-04-10 at 3 10 44 PM" width="1429" src="https://user-images.githubusercontent.com/8122303/78971203-a2a27a00-7b3d-11ea-8722-c5be2c7ff64c.png";> I think when one entry be written and then release it, if > @congbobo184 thanks for your pull request. I have applied the modification. However, the OOM still occurs. > <img alt="Screen Shot 2020-04-10 at 3 10 44 PM" width="1429" src="https://user-images.githubusercontent.com/8122303/78971203-a2a27a00-7b3d-11ea-8722-c5be2c7ff64c.png";> I think you offload to hdfs is to slowly, and then you produce message is too fast. and then many ledger will offload int the same time. so we maybe should control the read-ahead number or the whole fileSystem offload task number
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