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| Original file line number | Diff line number | Diff line change |
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| # Overview | ||
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| OpenTelemetry Memcached instrumentation allows user to automatically collect trace data from queries made by the client and export them to the backend of choice. This example does not showcase export functionality, but there are numerous other examples doing that: [`express`](../express), [`router`](../router). | ||
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| ## Running the Example | ||
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| Created spans are printed out to stdout while running the example. | ||
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| ```sh | ||
| npm install # install the dependencies | ||
| npm run docker:start # start memcached server | ||
| npm run start # run the example | ||
| npm run docker:stop # spin down and clean up the docker container | ||
| ``` | ||
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| ## LICENSE | ||
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| Apache License 2.0 |
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| Original file line number | Diff line number | Diff line change |
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| 'use strict'; | ||
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| require('./tracer')('example-resource'); | ||
| const Memcached = require('memcached'); | ||
| const assert = require('assert'); | ||
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| const KEY = '_KEY_'; | ||
| const VALUE = `RAND:${Math.random().toFixed(4)}`; | ||
| const LT = 10; | ||
| const client = new Memcached(); | ||
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| client.set(KEY, VALUE, LT, (err) => { | ||
| assert.strictEqual(err, undefined); | ||
| client.get(KEY, (err, result) => { | ||
| assert.strictEqual(err, undefined); | ||
| assert.strictEqual(result, VALUE); | ||
| console.log('Sleeping 5 seconds before shutdown to ensure all records are flushed.'); | ||
| setTimeout(() => { console.log('Completed.'); }, 5000); | ||
| }); | ||
| }); |
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