diff --git a/example.js b/example.js
index bbe1f24..8a79ae2 100644
--- a/example.js
+++ b/example.js
@@ -1,31 +1,24 @@
 'use strict'
 
-const pino = require('pino')()
-
-pino.info('hello world')
-pino.error('this is at error level')
-pino.info('the answer is %d', 42)
-pino.info({ obj: 42 }, 'hello world')
-pino.info({ obj: 42, b: 2 }, 'hello world')
-pino.info({ obj2: { aa: 'bbb' } }, 'another')
-setImmediate(function () {
-  pino.info('after setImmediate')
+const pinoJs = require('pino')
+const elastic = require('./lib')({
+  index: 'pinotest',
+  node: 'http://localhost:9200',
+  auth: {
+    apiKey: 'someKey'
+  },
+  consistency: 'one',
+  'es-version': 7,
+  'flush-bytes': 1000
 })
-pino.error(new Error('an error'))
-
-const child = pino.child({ a: 'property' })
-child.info('hello child!')
-
-const childsChild = child.child({ another: 'property' })
-childsChild.info('hello baby..')
-
-pino.debug('this should be mute')
-
-pino.level = 'trace'
-
-pino.debug('this is a debug statement')
 
-pino.child({ another: 'property' }).debug('this is a debug statement via child')
-pino.trace('this is a trace statement')
+const level = 'trace'
+const pino = pinoJs({ level }, pinoJs.multistream([
+  { level, stream: elastic },
+  { level, stream: process.stdout }
+]))
 
-pino.debug('this is a "debug" statement with "')
+pino.trace('test')
+setInterval(function () {
+  pino.trace('test')
+}, 10000)
diff --git a/lib.js b/lib.js
index 7217965..8e15f7b 100644
--- a/lib.js
+++ b/lib.js
@@ -3,7 +3,11 @@
 /* eslint no-prototype-builtins: 0 */
 
 const split = require('split2')
-const { Client } = require('@elastic/elasticsearch')
+const {
+  Client,
+  ClusterConnectionPool,
+  HttpConnection
+} = require('@elastic/elasticsearch')
 
 function initializeBulkHandler (opts, client, splitter) {
   const esVersion = Number(opts['es-version']) || 7
@@ -16,7 +20,6 @@ function initializeBulkHandler (opts, client, splitter) {
   splitter.destroy = () => {
     if (typeof client.connectionPool.resurrect === 'function') {
       client.connectionPool.resurrect({ name: 'elasticsearch-js' })
-      initializeBulkHandler(opts, client, splitter)
     }
   }
 
@@ -112,7 +115,9 @@ function pinoElasticSearch (opts) {
     node: opts.node,
     auth: opts.auth,
     cloud: opts.cloud,
-    ssl: { rejectUnauthorized: opts.rejectUnauthorized }
+    ssl: { rejectUnauthorized: opts.rejectUnauthorized },
+    Connection: HttpConnection,
+    ConnectionPool: ClusterConnectionPool
   }
 
   if (opts.tls) {
@@ -127,8 +132,16 @@ function pinoElasticSearch (opts) {
     clientOpts.Connection = opts.Connection
   }
 
+  if (opts.ConnectionPool) {
+    clientOpts.ConnectionPool = opts.ConnectionPool
+  }
+
   const client = new Client(clientOpts)
 
+  client.diagnostic.on('resurrect', () => {
+    initializeBulkHandler(opts, client, splitter)
+  })
+
   initializeBulkHandler(opts, client, splitter)
 
   return splitter
diff --git a/test/unit.test.js b/test/unit.test.js
index 4a15e32..5f074be 100644
--- a/test/unit.test.js
+++ b/test/unit.test.js
@@ -15,10 +15,7 @@ const options = {
 }
 
 const dsOptions = {
-  index: 'logs-pino-test',
-  type: 'log',
-  consistency: 'one',
-  node: 'http://localhost:9200',
+  ...options,
   op_type: 'create'
 }
 
@@ -33,6 +30,9 @@ test('make sure log is a valid json', (t) => {
   const Client = function (config) {
     t.equal(config.node, options.node)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {
       for await (const chunk of opts.datasource) {
@@ -55,6 +55,9 @@ test('make sure log is a valid json', (t) => {
 test('date can be a number', (t) => {
   t.plan(1)
   const Client = function (config) {}
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
 
   const threeDaysInMillis = 3 * 24 * 60 * 60 * 1000
   const time = new Date(Date.now() - threeDaysInMillis)
@@ -82,6 +85,9 @@ test('Uses the type parameter only with ES < 7 / 1', (t) => {
   const Client = function (config) {
     t.equal(config.node, options.node)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
 
   Client.prototype.helpers = {
     async bulk (opts) {
@@ -107,6 +113,9 @@ test('Uses the type parameter only with ES < 7 / 2', (t) => {
   const Client = function (config) {
     t.equal(config.node, options.node)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {
       for await (const chunk of opts.datasource) {
@@ -131,6 +140,9 @@ test('ecs format', (t) => {
   const Client = function (config) {
     t.equal(config.node, options.node)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {
       for await (const chunk of opts.datasource) {
@@ -155,10 +167,7 @@ test('ecs format', (t) => {
 
 test('auth and cloud parameters are properly passed to client', (t) => {
   const opts = {
-    index: 'pinotest',
-    type: 'log',
-    consistency: 'one',
-    node: 'http://localhost:9200',
+    ...options,
     auth: {
       username: 'user',
       password: 'pass'
@@ -174,6 +183,9 @@ test('auth and cloud parameters are properly passed to client', (t) => {
     t.equal(config.auth, opts.auth)
     t.equal(config.cloud, opts.cloud)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {}
   }
@@ -185,10 +197,7 @@ test('auth and cloud parameters are properly passed to client', (t) => {
 
 test('apikey is passed through auth param properly to client', (t) => {
   const opts = {
-    index: 'pinotest',
-    type: 'log',
-    consistency: 'one',
-    node: 'http://localhost:9200',
+    ...options,
     auth: {
       apiKey: 'aHR0cHM6Ly9leGFtcGxlLmNvbQ'
     }
@@ -199,6 +208,9 @@ test('apikey is passed through auth param properly to client', (t) => {
     t.equal(config.node, opts.node)
     t.equal(config.auth, opts.auth)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {}
   }
@@ -213,6 +225,9 @@ test('make sure `flush-interval` is passed to bulk request', (t) => {
   const Client = function (config) {
     t.equal(config.node, options.node)
   }
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
   Client.prototype.helpers = {
     async bulk (opts) {
       t.equal(opts.flushInterval, 12345)
@@ -233,12 +248,15 @@ test('make sure `op_type` is passed to bulk onDocument request', (t) => {
   t.plan(2)
 
   const Client = function (config) {}
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
 
   Client.prototype.helpers = {
     async bulk (opts) {
       const result = opts.onDocument({})
-      t.equal(result.index._index, 'logs-pino-test', '_index should be correctly set to `logs-pino-test`')
-      t.equal(result.index.op_type, 'create', '`op_type` should be set to `create`')
+      t.equal(result.index._index, dsOptions.index, `_index should be correctly set to \`${dsOptions.index}\``)
+      t.equal(result.index.op_type, dsOptions.op_type, `\`op_type\` should be set to \`${dsOptions.op_type}\``)
       t.end()
     }
   }
@@ -258,6 +276,9 @@ test('make sure `@timestamp` is correctly set when `op_type` is `create`', (t) =
     time: '2021-09-01T01:01:01.038Z'
   }
   const Client = function (config) {}
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
 
   Client.prototype.helpers = {
     async bulk (opts) {
@@ -278,6 +299,9 @@ test('make sure `@timestamp` is correctly set when `op_type` is `create`', (t) =
 test('resurrect client connection pool when datasource split is destroyed', (t) => {
   let isResurrected = false
   const Client = function (config) {}
+  Client.prototype.diagnostic = {
+    on: () => {}
+  }
 
   Client.prototype.helpers = {
     bulk: async function (opts) {