93 lines
2.5 KiB
Plaintext
93 lines
2.5 KiB
Plaintext
[[bulk_examples]]
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== Bulk
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The `bulk` API makes it possible to perform many index/delete operations in a
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single API call. This can greatly increase the indexing speed.
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NOTE: Did you know that we provide an helper for sending bulk request? You can find it {jsclient}/client-helpers.html[here].
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[source,js]
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----
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'use strict'
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require('array.prototype.flatmap').shim()
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const { Client } = require('@elastic/elasticsearch')
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const client = new Client({
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node: 'http://localhost:9200'
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})
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async function run () {
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await client.indices.create({
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index: 'tweets',
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body: {
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mappings: {
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properties: {
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id: { type: 'integer' },
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text: { type: 'text' },
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user: { type: 'keyword' },
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time: { type: 'date' }
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}
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}
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}
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}, { ignore: [400] })
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const dataset = [{
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id: 1,
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text: 'If I fall, don\'t bring me back.',
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user: 'jon',
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date: new Date()
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}, {
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id: 2,
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text: 'Winter is coming',
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user: 'ned',
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date: new Date()
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}, {
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id: 3,
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text: 'A Lannister always pays his debts.',
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user: 'tyrion',
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date: new Date()
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}, {
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id: 4,
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text: 'I am the blood of the dragon.',
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user: 'daenerys',
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date: new Date()
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}, {
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id: 5, // change this value to a string to see the bulk response with errors
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text: 'A girl is Arya Stark of Winterfell. And I\'m going home.',
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user: 'arya',
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date: new Date()
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}]
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const body = dataset.flatMap(doc => [{ index: { _index: 'tweets' } }, doc])
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const { body: bulkResponse } = await client.bulk({ refresh: true, body })
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if (bulkResponse.errors) {
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const erroredDocuments = []
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// The items array has the same order of the dataset we just indexed.
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// The presence of the `error` key indicates that the operation
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// that we did for the document has failed.
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bulkResponse.items.forEach((action, i) => {
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const operation = Object.keys(action)[0]
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if (action[operation].error) {
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erroredDocuments.push({
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// If the status is 429 it means that you can retry the document,
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// otherwise it's very likely a mapping error, and you should
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// fix the document before to try it again.
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status: action[operation].status,
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error: action[operation].error,
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operation: body[i * 2],
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document: body[i * 2 + 1]
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})
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}
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})
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console.log(erroredDocuments)
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}
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const { body: count } = await client.count({ index: 'tweets' })
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console.log(count)
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}
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run().catch(console.log)
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----
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