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Posted to issues@ozone.apache.org by "ivandika3 (via GitHub)" <gi...@apache.org> on 2026/06/22 09:02:05 UTC
[PR] HDDS-15602. PipelineId randomId does not need to use secure random [ozone]
ivandika3 opened a new pull request, #10571:
URL: https://github.com/apache/ozone/pull/10571
## What changes were proposed in this pull request?
We found that the CPU time of createPipelineForRead during high read traffic is mostly spent waiting on the SecureRandom monitor lock during the UUID random generation. SecureRandom is static and requires therefore lock should be static. Since the SecureRandom is static, it also contends with all other UUID generation and can affect performance (as per Amdahl's law). I don't think it is required to use SecureRandom for read pipeline ID since the read pipeline ID is not sensitive (AFAIK it's throwaway ID) and predicting the next read pipeline ID should not have any security implication
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-15602
## How was this patch tested?
CI
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Re: [PR] HDDS-15602. Read pipeline ID does not need to use secure random [ozone]
Posted by "ivandika3 (via GitHub)" <gi...@apache.org>.
ivandika3 commented on PR #10571:
URL: https://github.com/apache/ozone/pull/10571#issuecomment-4769162217
Thanks @adoroszlai for the suggestion. Applied.
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Re: [PR] HDDS-15602. Read pipeline ID does not need to use secure random [ozone]
Posted by "adoroszlai (via GitHub)" <gi...@apache.org>.
adoroszlai merged PR #10571:
URL: https://github.com/apache/ozone/pull/10571
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Re: [PR] HDDS-15602. Read pipeline ID does not need to use secure random [ozone]
Posted by "ivandika3 (via GitHub)" <gi...@apache.org>.
ivandika3 commented on PR #10571:
URL: https://github.com/apache/ozone/pull/10571#issuecomment-4779751595
Thanks @adoroszlai for the review and helping with the patch.
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