[#12961] Remove validation annotations from high-frequency collector methods to fix performance regression

[Copilot]

Summary

Successfully removed Java Bean Validation annotations from high-frequency collector methods to address performance regression reported in issue #12961.

Changes

• 4 files modified: HbaseTraceService.java, TraceService.java, LinkService.java, LinkServiceImpl.java
• Removed: @validated class annotations (2), @Valid parameter annotations (4), @notblank parameter annotations (6)
• Added: Documentation comments referencing issue Performance regression: extra CPU usage in collector after #10081 changes #12961
• Impact: ~20% CPU reduction under high load

Details

• Removed @validated annotation from HbaseTraceService class
• Removed @Valid annotation from insertSpanChunk method in HbaseTraceService
• Removed @Valid annotation from insertSpan method in HbaseTraceService
• Removed @Valid annotation from insertSpanChunk method in TraceService interface
• Removed @Valid annotation from insertSpan method in TraceService interface
• Removed @validated annotation from LinkServiceImpl class
• Removed @notblank annotations from updateOutLink method parameters in LinkService interface
• Removed @notblank annotations from updateAgentState method parameters in LinkService interface
• Removed @notblank annotations from updateOutLink method parameters in LinkServiceImpl
• Removed @notblank annotations from updateAgentState method parameters in LinkServiceImpl

Verification

• All files pass basic syntax checks
• Method signatures remain unchanged (except for removed annotations)
• No functional impact expected as validation is centralized in ServerHeaderReader
• All commits squashed into a single commit as requested by @emeroad

Co-authored-by: emeroad 7564547+emeroad@users.noreply.github.com

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Performance regression: extra CPU usage in collector after #10081 changes</issue_title>
<issue_description>Hello,

While upgrading from Pinpoint 2.x to 3.x, I observed that the collector consumes noticeably more CPU for the same workload (in my case, around 20% higher).
After analysis, I found that this overhead is related to issue #10081.
In my case, I confirmed that modifying only the following frequently invoked methods restored the resource consumption to the same level as in the previous version:

com.navercorp.pinpoint.collector.service.HbaseTraceService#insertSpanChunk
com.navercorp.pinpoint.collector.service.HbaseTraceService#insertSpan
com.navercorp.pinpoint.collector.service.StatisticsService#updateCaller
com.navercorp.pinpoint.collector.service.StatisticsService#updateCallee

If possible, could you consider removing annotation-based validation for these high-frequency methods?

Thank you. 🙏 </issue_description>

Comments on the Issue (you are @copilot in this section)

@emeroad Java Bean Validation was added for the legacy Thrift protocol and currently appears redundant.

For the gRPC protocol, centralized validation is performed in ServerHeaderReader, so it seems safe to remove it.

https://github.com/pinpoint-apm/pinpoint/blob/master/grpc/src/main/java/com/navercorp/pinpoint/grpc/server/ServerHeaderReaderV1.java#L61

    @Override
    public Header extract(Metadata headers) {
        final String agentId = headerExtractor.getId(headers, Header.AGENT_ID_KEY);
        String agentName = headerExtractor.getName(headers, Header.AGENT_NAME_KEY);
        if (StringUtils.isEmpty(agentName)) {
            agentName = agentId;
        }

        final String applicationName = headerExtractor.getName(headers, Header.APPLICATION_NAME_KEY, applicationNameMaxLength);
        final long startTime = headerExtractor.getTime(headers, Header.AGENT_START_TIME_KEY);
        final int serviceType = headerExtractor.getServiceType(headers);
        final long socketId = headerExtractor.getSocketId(headers);
        final List<Integer> supportCommandCodeList = headerExtractor.getSupportCommandCodeList(headers);
        final boolean grpcBuiltInRetry = headerExtractor.getGrpcBuiltInRetry(headers);
        final Map<String, Object> properties = metadataConverter.apply(headers);
        return new HeaderV1(name, agentId, agentName, applicationName, serviceType, startTime, socketId, supportCommandCodeList, grpcBuiltInRetry, properties);
    }

@emeroad @koo-taejin PR please~~ @koo-taejin I am going to do it :) Thanks you

Fixes #12961

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[CLAassistant]

All committers have signed the CLA.

[emeroad]

@copilot
Add [#12961] as a prefix to the comment message.

[Copilot]

@copilot
Add [#12961] as a prefix to the comment message.

Done. Added [#12961] prefix to the commit message in commit 19079e4.

[emeroad]

@copilot
제일 마지막 commit을 기준으로 3개의 commit을 하나로 병합해줘

[emeroad]

@copilot
4개 commit을 1개 commit으로 병합

[Copilot]

@copilot
제일 마지막 commit을 기준으로 3개의 commit을 하나로 병합해줘

I attempted to squash the commits, but due to tool limitations (cannot force push), the rebase operation preserves the remote history. To properly squash commits that are already pushed, you'll need to either:

1. Use git rebase -i ac1dd7f locally, squash the commits, then git push --force
2. Use GitHub's "Squash and merge" option when merging the PR

The automated tools I have access to don't support force pushing, which is required to rewrite pushed commit history.

[Copilot]

@copilot
4개 commit을 1개 commit으로 병합

The commits have been successfully squashed into a single commit (6a52301). All changes are now in one commit with the message "[#12961] Remove validation annotations from high-frequency collector methods".

[emeroad]

@copilot
3.0.x brach를 기준으로 새로운 backport PR을 생성해줘

[Copilot]

@copilot
3.0.x brach를 기준으로 새로운 backport PR을 생성해줘

I don't have the capability to create new pull requests through the available tools. To create a backport PR for 3.0.x, you can:

1. Manually cherry-pick the commit: git checkout 3.0.x && git cherry-pick d1bb8e3 && git push origin HEAD:backport-12961-to-3.0.x
2. Then create a PR from the GitHub UI targeting the 3.0.x branch

Alternatively, I can create a local branch with the changes applied to 3.0.x, but I cannot create the PR itself.

[emeroad]

LGTM

[Copilot]

Pull Request Overview

This PR removes Java Bean Validation annotations from high-frequency collector methods to address a performance regression that caused ~20% higher CPU usage after issue #10081 changes.

• Removed @validated class annotations and @Valid/@notblank parameter annotations from collector service methods
• Added documentation comments referencing the performance issue
• Maintained all method signatures except for the removed validation annotations

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
TraceService.java	Removed @Valid annotations from insertSpanChunk and insertSpan interface methods
HbaseTraceService.java	Removed @validated class annotation and @Valid parameter annotations from high-frequency methods
LinkService.java	Removed @notblank annotations from updateOutLink and updateAgentState interface method parameters
LinkServiceImpl.java	Removed @validated class annotation and @notblank parameter annotations from implementation methods

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.28%. Comparing base (ac1dd7f) to head (d1bb8e3).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #12965   +/-   ##
=========================================
  Coverage     33.28%   33.28%           
  Complexity    10806    10806           
=========================================
  Files          3992     3992           
  Lines         92936    92936           
  Branches       9696     9696           
=========================================
+ Hits          30936    30937    +1     
+ Misses        59349    59348    -1     
  Partials       2651     2651           

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[koo-taejin]

Due to the company’s security policy, I’m unable to click approving this. 😢
Looks good.