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feat: virtual thread support - #3664

Merged

csviri merged 45 commits into

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virtual-threads-and-shared-executors

Nov 5, 2026

Merged

feat: virtual thread support#3664
csviri merged 45 commits into
nextfrom
virtual-threads-and-shared-executors

Commits on Nov 4, 2026
- feat: schedule polling and retries on managed executors instead of Timers
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  8069c09
- fix: keep DEFAULT_EXECUTOR_THREAD_NUMBER and withdraw polls scheduled after stop
  csviri
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  ff3f56c
- test: cover restarting polling event sources, including after the operator replaces its executors
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  7e9f474
- fix: close timer scheduling race on stop, guard repeated start of per resource polling, clarify executor ownership in docs
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  5b4ccec
- fix: keep EventProducerTimeTask a TimerTask and cancel a poll scheduled after stop during start
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  df3de17
- feat: virtual thread support
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  a706ff4
- wip
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  d32c23d
- wip
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  6f2e1ce
- remove unnecessary comment
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  09f88ae
- wip
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  7deda64
- feat: run default Kubernetes client tasks on virtual threads
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  f4b7e5e
- fix: correctness issues in bounded virtual thread executor, event recording and desired state aspects
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  d1cad7a
- fixes
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  c557818
- fix: address review comments on virtual thread support
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  efad7a6
- revert: move event recorder fixes to their own PR
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  7cf09e1
- refactor: move executor helpers from Utils to internal ExecutorUtilsInternal
  
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  9c61121
- fix: scheduled executor defaults, timer restart ordering and polling resilience
  
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  8414999
- fix: keep the scheduled executors of the original configuration when overriding
  
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  ef9f7d9
- feat: do not limit the scheduled tasks running on virtual threads
  
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  32725ec
- fix: address review comments on the scheduled executor and polling
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  b352758
- use virtual threads in web app
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  2575c9f
- fix: let idle threads of the scheduled thread pools time out
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  9e15697
- revert: move the desired state aspect fixes to their own branch
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  5aceb5e
- revert: move the per resource polling resilience fixes to their own branch
  
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  3324293
- fix format
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  410b32b
- revert: move the keep alive thread to its own branch
  
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  e518f65
- fix: reject polls of a previous run after a restart and drop cancelled handles from the waiting set
  
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  1e89aff
- fix: keep the scheduled executors of the original configuration unless an override changes their settings
  
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  0ad0137
- fix: hold back registrations racing stop and follow the operator's executors when started again while running
  
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  b5b8946
- docs: correct the since version of the scheduled executor API to 5.7.0
  
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  b47c719
- fix: restart polling and re-arm timers on the operator's new executors, and let in-flight work finish when stopping owned executors
  
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  claude
  committed
  aab8fe2
- update how polling event sources are handled
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  5560043
- fix: restore the deprecated scheduledExecutorService accessor and close races in the polling event sources
  
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  da582be
- fix: synchronize on the outer class method instead of exposing the lock in the fetching task
  
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  6436309
- docs: point the virtual threads note to Operator.keepAlive for keeping the JVM alive
  
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  81ed9ae
- fix: do not schedule again the timers whose handler is still running when the executor is replaced
  
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  d57d8f2
- refactor: deprecate the TimerEventSource constructor without an executor supplier
  
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  bb1fd8a
- docs: document that overriding the virtual threads flag replaces a custom retry executor
  
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  c061f09
- refactor: do not schedule again the pending timers on a replaced executor and drop the executor supplier only constructor of TimerEventSource
  
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  50381e0
- refactor: register the resources of the primary cache when the per resource polling starts instead of buffering registrations
  
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  7939ed2
- fix: let a resource be polled again when it is recreated after its poll found it gone from the cache
  
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  7624b11
- test: remove the throwaway audit test and leftovers, fix a misleading test name
  
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  565d891
- docs: fix the polling executor example and describe the executor changes in the migration guide
  
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  12907da
- fix: set the root log level of the webpage sample back to info
  
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  83d9e11
- fix: compare the deadlines of the scheduled futures instead of sampling their remaining delays
  
  csviri
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  claude
  committed
  4a597cc

Commits

Commits on Nov 4, 2026