cdk-monitoring-constructs
Version:
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62 lines • 8.48 kB
JavaScript
"use strict";
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SqsQueueMetricFactory = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const common_1 = require("../../common");
class SqsQueueMetricFactory {
constructor(metricFactory, props) {
this.metricFactory = metricFactory;
this.queue = props.queue;
}
metricApproximateVisibleMessageCount() {
return this.metricFactory.adaptMetric(this.queue.metricApproximateNumberOfMessagesVisible({
label: "Visible",
}));
}
metricIncomingMessageCount() {
return this.metricFactory.adaptMetric(this.queue.metricNumberOfMessagesSent({
statistic: common_1.MetricStatistic.SUM,
label: "Incoming",
}));
}
metricDeletedMessageCount() {
return this.metricFactory.adaptMetric(this.queue.metricNumberOfMessagesDeleted({
statistic: common_1.MetricStatistic.SUM,
label: "Deleted",
}));
}
metricApproximateAgeOfOldestMessageInSeconds() {
return this.metricFactory.adaptMetric(this.queue.metricApproximateAgeOfOldestMessage({
label: "Age",
}));
}
metricAverageMessageSizeInBytes() {
return this.metricFactory.adaptMetric(this.queue.metricSentMessageSize({
label: "Size",
}));
}
metricProductionRate() {
return this.metricFactory.createMetricMath("(productionVolume / PERIOD(productionVolume))", {
productionVolume: this.metricIncomingMessageCount(),
}, "Production TPS (avg: ${AVG}, max: ${MAX})");
}
metricConsumptionRate() {
return this.metricFactory.createMetricMath("(consumptionVolume / PERIOD(consumptionVolume))", {
consumptionVolume: this.metricDeletedMessageCount(),
}, "Consumption TPS (avg: ${AVG}, max: ${MAX})");
}
// Time to drain queue (number of visible messages / net consumption rate)
// Net consumption rate is defined by consumption rate - incoming rate
metricTimeToDrain() {
return this.metricFactory.createMetricMath("(visibleMessages / (consumptionVolume - incomingVolume)) * (PERIOD(consumptionVolume))", {
visibleMessages: this.metricApproximateVisibleMessageCount(),
incomingVolume: this.metricIncomingMessageCount(),
consumptionVolume: this.metricDeletedMessageCount(),
}, "Time to Drain (seconds) (avg: ${AVG}, max: ${MAX})");
}
}
exports.SqsQueueMetricFactory = SqsQueueMetricFactory;
_a = JSII_RTTI_SYMBOL_1;
SqsQueueMetricFactory[_a] = { fqn: "cdk-monitoring-constructs.SqsQueueMetricFactory", version: "1.21.0" };
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