Skip to content

Navigation Menu

Appearance settings

View all features
- BY COMPANY SIZE
  Enterprises
  Small and medium teams
  Startups
  Nonprofits
- BY USE CASE
  App Modernization
  DevSecOps
  DevOps
  CI/CD
  View all use cases
- BY INDUSTRY
  Healthcare
  Financial services
  Manufacturing
  Government
  View all industries
View all solutions
- EXPLORE BY TOPIC
  AI
  Software Development
  DevOps
  Security
  View all topics
- EXPLORE BY TYPE
  Customer stories
  Events & webinars
  Ebooks & reports
  Business insights
  GitHub Skills
- SUPPORT & SERVICES
  Documentation
  Customer support
  Community forum
  Trust center
  Partners
View all resources
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  GitHub Stars
  Archive Program
- REPOSITORIES
  Topics
  Trending
  Collections
- ENTERPRISE SOLUTIONS
  Enterprise platformAI-powered developer platform
- AVAILABLE ADD-ONS
  GitHub Advanced SecurityEnterprise-grade security features
  Copilot for BusinessEnterprise-grade AI features
  Premium SupportEnterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

DataDog / java-profiler Public

Notifications You must be signed in to change notification settings
Fork 11
Star 30

Code
Issues 14
Pull requests 15
Actions
Security and quality
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Security and quality
Insights

Add OTEP #4947 OTEL-compatible context storage#347

Merged

jbachorik merged 62 commits intomainDataDog/java-profiler:mainfrom

jb/otel_ctxDataDog/java-profiler:jb/otel_ctxCopy head branch name to clipboard

Apr 8, 2026

Conversation Commits62 (62)Checks Files changed

Merged

Add OTEP #4947 OTEL-compatible context storage#347
jbachorik merged 62 commits intomainfrom
jb/otel_ctx

Commits

Commits on Apr 8, 2026

Add OTEP #4947 OTEL-compatible context storage with custom attributes

jbachorik
and
claude
committed
Add JFR tag encoding sidecar to ProfiledThread

jbachorik
and
claude
committed
Address review feedback: simplify APIs, fix sidecar clearing, capture OTEL context in liveness tracker

jbachorik
and
claude
committed
Inline ContextApi::getMode() for cross-TU inlining

jbachorik
and
claude
committed
Expose OTEL sidecar tag encodings as DirectByteBuffer

jbachorik
and
claude
committed
Add bounds check to setContextSlot0 profiler path, add getContext() to avoid double JNI

jbachorik
and
claude
committed
Fix signal handler ordering, release safety, and skip sidecar alloc in profiler mode

jbachorik
and
claude
committed
Remove ContextStorageMode, unify to OTEL-only context storage

jbachorik
and
claude
committed
Remove JNI write path, use ByteBuffer for all context writes

jbachorik
and
claude
committed
Simplify tests for OTEL-only context storage

jbachorik
and
claude
committed
Update ThreadContextBenchmark and wire jmhInclude property

jbachorik
and
claude
committed
Add multi-threaded @Threads variants for false sharing detection

jbachorik
and
claude
committed
Add ThreadContext performance report with JNI vs ByteBuffer analysis

jbachorik
and
claude
committed
Rewrite TLSContext.md for OTEP #4947 ByteBuffer-only architecture

jbachorik
and
claude
committed
Merge _root_span_id into _otel_local_root_span_id in ProfiledThread

jbachorik
and
claude
committed
Fix attrs_data overflow, stale sidecar encodings, and JfrMetadata reinit

jbachorik
and
claude
committed
Address review feedback: fix races, remove dead code, clean up tests

jbachorik
and
claude
committed
Remove stale architecture docs, keep TLSContext.md as single source

jbachorik
and
claude
committed
Remove Context checksum, redundant with OTEP valid flag

jbachorik
and
claude
committed
Fix TLSContext doc accuracy and two signal-handler bugs

jbachorik
and
claude
committed
Replace dead ProfiledThread::current() null checks with asserts

jbachorik
and
claude
committed
Fix local_root_span_id attribute key name and use LOCAL_ROOT_SPAN_ATTR_INDEX constant

jbachorik
and
claude
committed
Set custom_labels_current_set_v2 permanently; remove tlsPtrBuffer

jbachorik
and
claude
committed
Update TLSContext.md for permanent TLS pointer simplification

jbachorik
and
claude
committed
Replace dead null check in OtelContexts::getSpanId with assert

jbachorik
and
claude
committed
Fix registerAttributeKeys skipping LRS registration on empty keys

jbachorik
and
claude
committed
Fix lookupWallclockCallTraceId missing root_span_id assignment

jbachorik
and
claude
committed
Retire putCustom; route ContextSetter through setContextAttribute

jbachorik
and
claude
committed
Consolidate ContextSanityTest into OtelContextStorageModeTest

jbachorik
and
claude
committed
doc: update TLSContext.md test section after ContextSanityTest removal

jbachorik
and
claude
committed
Simplify lookupLrs cache miss path

jbachorik
and
claude
committed
Fix stray brace in wallClock.h breaking all CI builds

jbachorik
and
claude
committed
fix: memfd_create compat for glibc < 2.27 (CentOS 7)

jbachorik
and
claude
committed
LRS: use fixed 16-byte hex encoding; drop cache; add attr round-trip test

jbachorik
and
claude
committed
Fix attr cache load ordering and dead sidecar LRS write

jbachorik
and
claude
committed
Fix keyIndex bound and reserved byte comment

jbachorik
and
claude
committed
Fix OTEP/sidecar inconsistency on dict-full and attr key count cap

jbachorik
and
claude
committed
Remove dead code; fix attr key registration; simplify context API

jbachorik
and
claude
committed
Fix stale attrs on span transition; add readTraceId test; fix doc

jbachorik
and
claude
committed
Fix TLSContext.md doc inaccuracies

jbachorik
and
claude
committed
writeOrderedLong/writeAndReleaseLong: drop wasteful read-back; fix test comment

jbachorik
and
claude
committed
Fix testOtelStorageModeContext: stop profiler before readTraceId in debug

jbachorik
and
claude
committed
Fix readTraceId: cast byte to char before StringBuilder.append

jbachorik
and
claude
committed
Address ivoanjo PR review comments

jbachorik
and
claude
committed
Fix sidecar race, remove dead code, minor doc/comment fixes

jbachorik
and
claude
committed
Drop redundant attrsDataSize reset in clearContext path

jbachorik
and
claude
committed
Make attr cache per-thread to eliminate cross-thread race

jbachorik
and
claude
committed
Add cache isolation test for per-thread attr cache

jbachorik
and
claude
committed
Warn against high-cardinality values in setContextAttribute javadoc

jbachorik
and
claude
committed
refactor(otel-ctx): address PR review feedback
jbachorik
committed
refactor(otel-ctx): rename TLS symbol to otel_thread_ctx_v1, drop fullFence
jbachorik
committed
refactor(otel-ctx): drop OtelContexts class, fix memory ordering docs
jbachorik
committed
docs(otel-ctx): fix stale references and inaccuracies in TLSContext.md
jbachorik
committed
fix: remove duplicate destructor in ProfiledThread (rebase artifact)
jbachorik
committed
fix: remove stale fullFence javadoc reference in BufferWriter
jbachorik
committed
fix(test): remove deleted writeVolatile* calls from BufferWriterTest

jbachorik
and
claude
committed
fix: address dead code, stale test refs, and doc imprecisions from review

jbachorik
and
claude
committed
fix: doc and readability fixes from review loop

jbachorik
and
claude
committed
fix: address code review findings from review loop
jbachorik
committed
fix: address ivoanjo-ghost review findings
jbachorik
committed
docs: update benchmark report with 2026-04-07 results
jbachorik
committed
test: add process context preservation test for registerAttributeKeys

jbachorik
and
claude
committed

Footer

© 2026 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.