Package com.bazaarvoice.ostrich

Examples of com.bazaarvoice.ostrich.HealthCheckResult

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            if (endPoint == null) {
                // Load balancer didn't like our end points, so just go sequentially.
                endPoint = endPoints.iterator().next();
            }

            HealthCheckResult result = checkHealth(endPoint);
            aggregate.addHealthCheckResult(result);

            if (!result.isHealthy()) {
                Exception exception = ((FailedHealthCheckResult) result).getException();
                if (exception == null || isRetriableException(exception)) {
                    LOG.debug("Unhealthy end point discovered. End point ID: {}", endPoint.getId());
                    endPoints.remove(endPoint);
                    markEndPointAsBad(endPoint);
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            _endPoint = endPoint;
        }

        @Override
        public void run() {
            HealthCheckResult result = checkHealth(_endPoint);
            if (result.isHealthy()) {
                _badEndPoints.remove(_endPoint);
            }
        }
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    @VisibleForTesting
    final class BatchHealthChecks implements Runnable {
        @Override
        public void run() {
            for (ServiceEndPoint endPoint : _badEndPoints) {
                HealthCheckResult result = checkHealth(endPoint);
                if (result.isHealthy()) {
                    _badEndPoints.remove(endPoint);
                }

                // If we were interrupted during checking the health (but weren't blocked so an InterruptedException
                // couldn't be thrown), then we should exit now.
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            } catch (Exception e) {
                // Load balancer didn't like our end points, so just go sequentially.
                endPoint = endPoints.iterator().next();
            }

            HealthCheckResult result = checkHealth(endPoint);
            aggregate.addHealthCheckResult(result);

            if (!result.isHealthy()) {
                Exception exception = ((FailedHealthCheckResult) result).getException();
                if (exception == null || isRetriableException(exception)) {
                    LOG.debug("Unhealthy end point discovered. End point ID: " + endPoint.getId());
                    endPoints.remove(endPoint);
                    markEndPointAsBad(endPoint);
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            _endPoint = endPoint;
        }

        @Override
        public void run() {
            HealthCheckResult result = checkHealth(_endPoint);
            if (result.isHealthy()) {
                _badEndPoints.remove(_endPoint);
            }
        }
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    @VisibleForTesting
    final class BatchHealthChecks implements Runnable {
        @Override
        public void run() {
            for (ServiceEndPoint endPoint : _badEndPoints) {
                HealthCheckResult result = checkHealth(endPoint);
                if (result.isHealthy()) {
                    _badEndPoints.remove(endPoint);
                }

                // If we were interrupted during checking the health (but weren't blocked so an InterruptedException
                // couldn't be thrown), then we should exit now.
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            if (endPoint == null) {
                // Load balancer didn't like our end points, so just go sequentially.
                endPoint = endPoints.iterator().next();
            }

            HealthCheckResult result = checkHealth(endPoint);
            aggregate.addHealthCheckResult(result);

            if (!result.isHealthy()) {
                Exception exception = ((FailedHealthCheckResult) result).getException();
                if (exception == null || isRetriableException(exception)) {
                    LOG.debug("Unhealthy end point discovered. End point ID: {}", endPoint.getId());
                    endPoints.remove(endPoint);
                    markEndPointAsBad(endPoint);
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                }
            }

            // Don't perform health check operation in lock as it could cause deadlock on cancel if
            // health check stalls.
            HealthCheckResult result = checkHealth(_endPoint);

            synchronized (_syncRoot) {
                _count += 1;

                if (result.isHealthy()) {
                    _badEndPoints.remove(_endPoint, this);
                    this.cancel(false);
                } else {
                    long delayMillis = _healthCheckRetryDelay.getDelay(_count, result);
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            } catch (Exception e) {
                // Load balancer didn't like our end points, so just go sequentially.
                endPoint = endPoints.iterator().next();
            }

            HealthCheckResult result = checkHealth(endPoint);
            aggregate.addHealthCheckResult(result);

            if (!result.isHealthy()) {
                Exception exception = ((FailedHealthCheckResult) result).getException();
                if (exception == null || isRetriableException(exception)) {
                    LOG.debug("Unhealthy end point discovered. End point ID: {}", endPoint.getId());
                    endPoints.remove(endPoint);
                    markEndPointAsBad(endPoint);
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            _endPoint = endPoint;
        }

        @Override
        public void run() {
            HealthCheckResult result = checkHealth(_endPoint);
            if (result.isHealthy()) {
                _badEndPoints.remove(_endPoint);
            }
        }
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Related Classes of com.bazaarvoice.ostrich.HealthCheckResult

  • com.bazaarvoice.ostrich.dropwizard.healthcheck.ContainsHealthyEndPointCheck
  • com.bazaarvoice.ostrich.pool.ServicePool
  • com.bazaarvoice.ostrich.pool.ServicePool$BatchHealthChecks
  • com.bazaarvoice.ostrich.pool.ServicePool$HealthCheck
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