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fix: Remove RpcOverloadMonitor race condition - #26827

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abies merged 1 commit into
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26762-overload-monitor-thread-safety
Aug 17, 2026
Merged

fix: Remove RpcOverloadMonitor race condition#26827
abies merged 1 commit into
mainfrom
26762-overload-monitor-thread-safety

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@abies

@abies abies commented Aug 13, 2026

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Description:
Given that RpcOverloadMonitor was updated from two different threads, even in the presence of volatiles, there could be a strange ordering of updates, which would lead to a delayed reaction to overload or going out of overload.

This change simplifies handling, as everything will be done from the same (dispatch) thread.

Related issue(s):

Fixes #26762

Checklist

  • Documented (Code comments, README, etc.)
  • Tested (unit, integration, etc.)

Signed-off-by: Artur Biesiadowski <artur.biesiadowski@swirldslabs.com>
@abies abies added this to the v0.79 milestone Aug 13, 2026
@abies abies self-assigned this Aug 13, 2026
@abies
abies requested a review from a team as a code owner August 13, 2026 09:51
@abies
abies requested a review from lpetrovic05 August 13, 2026 09:51
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Snyk checks have passed. No issues have been found so far.

Status Scan Engine Critical High Medium Low Total (0)
Open Source Security 0 0 0 0 0 issues

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@abies
abies requested review from poulok and removed request for lpetrovic05 August 13, 2026 09:51
@codecov

codecov Bot commented Aug 13, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.

Impacted file tree graph

@@            Coverage Diff            @@
##               main   #26827   +/-   ##
=========================================
  Coverage     70.44%   70.44%           
+ Complexity    11662    11661    -1     
=========================================
  Files          2583     2583           
  Lines        108274   108274           
  Branches      12110    12110           
=========================================
+ Hits          76274    76278    +4     
- Misses        28017    28020    +3     
+ Partials       3983     3976    -7     
Files with missing lines Coverage Δ Complexity Δ
.../impl/network/protocol/rpc/RpcOverloadMonitor.java 97.05% <100.00%> (ø) 0.00 <0.00> (ø)
...sip/impl/network/protocol/rpc/RpcPeerProtocol.java 63.58% <100.00%> (ø) 0.00 <0.00> (ø)

... and 12 files with indirect coverage changes

Impacted file tree graph

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@testlens-app

testlens-app Bot commented Aug 13, 2026

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✅ All tests passed ✅

🏷️ Commit: 436f90a
▶️ Tests: 23483 executed
⚪️ Checks: 58/58 completed


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@abies
abies merged commit e7c1b0d into main Aug 17, 2026
67 checks passed
@abies
abies deleted the 26762-overload-monitor-thread-safety branch August 17, 2026 12:59
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Make RpcOverloadMonitor thread safe with regards to ping vs queue size

3 participants