Event Loop Block
Monitor for blocked event loops in all threads of a Node.js application.
This integration only works in the Node.js runtime.
Import name: eventLoopBlockIntegration from @sentry/node-native
The eventLoopBlockIntegration can be used to monitor for blocked event loops in all threads of a Node.js application. Stack traces are automatically captured when blocking is detected.
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npm install @sentry/node-native
(Available in version 6.9.0 and above)
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import * as Sentry from "@sentry/electron/main";
import { eventLoopBlockIntegration } from "@sentry/electron/native";
Sentry.init({
dsn: "https://examplePublicKey@o0.ingest.sentry.io/0",
integrations: [eventLoopBlockIntegration({ threshold: 500 })],
});
You can pass a configuration object to the eventLoopBlockIntegration to customize the behavior:
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interface ThreadBlockedIntegrationOptions {
/**
* Threshold in milliseconds to trigger an event.
*
* Defaults to 1000ms.
*/
threshold: number;
/**
* Maximum number of blocked events to send per clock hour.
*
* Defaults to 1.
*/
maxEventsPerHour: number;
/**
* Tags to include with blocked events.
*/
staticTags: { [key: string]: Primitive };
}
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Our documentation is open source and available on GitHub. Your contributions are welcome, whether fixing a typo (drat!) or suggesting an update ("yeah, this would be better").