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openclaw - 💡(How to fix) Fix [Heimdall Monitor] Production Issue: Event Loop Delay Pattern

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Error Message

{"0":"{"subsystem":"diagnostic"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{"subsystem":"diagnostic"}","parentNames":["openclaw"],"date":"2026-05-07T22:00:33.292Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T19:00:33.293-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]"} {"0":"{"subsystem":"diagnostic"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{"subsystem":"diagnostic"}","parentNames":["openclaw"],"date":"2026-05-07T23:23:12.625Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T20:23:12.626-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"} {"0":"{"subsystem":"diagnostic"}","1":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{"subsystem":"diagnostic"}","parentNames":["openclaw"],"date":"2026-05-08T01:33:21.696Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:33:21.696-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]"} {"0":"{"subsystem":"diagnostic"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{"subsystem":"diagnostic"}","parentNames":["openclaw"],"date":"2026-05-08T01:46:21.703Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:46:21.704-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"} {"0":"{"subsystem":"diagnostic"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{"subsystem":"diagnostic"}","parentNames":["openclaw"],"date":"2026-05-08T02:47:25.215Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T23:47:25.216-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]"}

Code Example

{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-07T22:00:33.292Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T19:00:33.293-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-07T23:23:12.625Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T20:23:12.626-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T01:33:21.696Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:33:21.696-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T01:46:21.703Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:46:21.704-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T02:47:25.215Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T23:47:25.216-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]"}
RAW_BUFFERClick to expand / collapse

🐛 Bug Report (Auto-generated by Heimdall Monitor)

Auto-detected in production by the Heimdall monitoring system of the F.R.I.D.A.Y. ecosystem.

Environment

FieldValue
OpenClaw VersionOpenClaw 2026.5.4 (325df3e)
Node.jsv22.22.1
OSLinux 6.8.0-110-generic
Memory (RSS)449MB
System Load0.07 0.20 0.15
Detected2026-05-07 23:51:44 -03

📊 Event Loop Delay Pattern

Event loop delays exceeding 2s detected repeatedly in production logs.

Log Snippets (last 5 event loop warnings):

{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-07T22:00:33.292Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T19:00:33.293-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=421.3 eventLoopDelayMaxMs=4016 eventLoopUtilization=0.585 cpuCoreRatio=0.737 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:8ms,post-attach.update-sentinel:0ms,sidecars.model-prewarm:1863ms,sidecars.session-locks:924ms,post-ready.maintenance:204ms work=[active=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started) queued=agent:sexta-feira:telegram:default:direct:sexta-feira(processing/model_call,q=1,age=13s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-07T23:23:12.625Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T20:23:12.626-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=23 eventLoopDelayMaxMs=2394.9 eventLoopUtilization=0.304 cpuCoreRatio=0.361 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T01:33:21.696Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:33:21.696-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=31s eventLoopDelayP99Ms=21.5 eventLoopDelayMaxMs=2451.6 eventLoopUtilization=0.193 cpuCoreRatio=0.235 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing,q=1,age=6s last=run:completed)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T01:46:21.703Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T22:46:21.704-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=25 eventLoopDelayMaxMs=2512.4 eventLoopUtilization=0.285 cpuCoreRatio=0.342 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=0s last=model_call:started)]"}
{"0":"{\"subsystem\":\"diagnostic\"}","1":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]","_meta":{"runtime":"node","runtimeVersion":"22.22.1","hostname":"unknown","name":"{\"subsystem\":\"diagnostic\"}","parentNames":["openclaw"],"date":"2026-05-08T02:47:25.215Z","logLevelId":4,"logLevelName":"WARN","path":{"fullFilePath":"file:///root/.npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150:14","fileName":"subsystem-DtIxQOmd.js","fileNameWithLine":"subsystem-DtIxQOmd.js:150","fileColumn":"14","fileLine":"150","filePath":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js","filePathWithLine":".npm-global/lib/node_modules/openclaw/dist/subsystem-DtIxQOmd.js:150","method":"logToFile"}},"time":"2026-05-07T23:47:25.216-03:00","hostname":"FridayOpenclaw","message":"liveness warning: reasons=event_loop_delay interval=30s eventLoopDelayP99Ms=70.5 eventLoopDelayMaxMs=2516.6 eventLoopUtilization=0.27 cpuCoreRatio=0.314 active=1 waiting=0 queued=1 phase=channels.whatsapp.start-account recentPhases=sidecars.subagent-recovery:2ms,sidecars.main-session-recovery:7ms,sidecars.model-prewarm:1673ms,post-attach.update-sentinel:179ms,sidecars.session-locks:936ms,post-ready.maintenance:236ms work=[active=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started) queued=agent:heimdall:telegram:heimdall:direct:sexta-feira(processing/model_call,q=1,age=1s last=model_call:started)]"}

Impact: Agent responses delayed, potential timeout cascades. Expected: Event loop delay <500ms under normal load. Suggestion: Investigate blocking operations during model calls or channel startup phases.

🤖 About This Report

  • Auto-generated by: Heimdall Monitor v3 (F.R.I.D.A.Y. ecosystem)
  • Repository: https://github.com/andrerds/F.R.I.D.A.Y.
  • Purpose: Help OpenClaw team identify and fix production issues
  • Note: This issue was auto-created based on production log analysis. Please close if not actionable.

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#authentication setup#request error#file not found#serialization error#model compatibility

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