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https://issues.apache.org/jira/browse/HDDS-17203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18130511#comment-18130511
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Siyao Meng commented on HDDS-17203:
-----------------------------------
[Jira cleanup 2026-10-22] Resolving as Implemented. The regex split was
replaced by comma splitting and per-part trimming.
Evidence:
* https://github.com/apache/ozone/pull/11654
*
https://github.com/apache/ozone/commit/d5c21a3dd8d2b1028aead5dfa6f15fb08081ba9e
*
https://github.com/apache/ozone/blob/bf3829e6c8ac69ae17585585703f91426dcdf6b3/hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/signature/AuthorizationV4HeaderParser.java#L81
Feel free to reopen if further work is needed.
> Avoid regex String.split when parsing SigV4 Authorization headers
> -----------------------------------------------------------------
>
> Key: HDDS-17203
> URL: https://issues.apache.org/jira/browse/HDDS-17203
> Project: Apache Ozone
> Issue Type: Improvement
> Components: S3
> Reporter: Prithvi S
> Assignee: Prithvi S
> Priority: Major
> Labels: pull-request-available
>
> AuthorizationV4HeaderParser.parseSignature splits the header with
> String.split(", *") on every signed S3 request. That compiles a regex each
> time.
> Split on ',' and trim the parts instead, same idea as HDDS-16749. Behavior
> stays the same.
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