Add orbitdb keyvalue store benchmark

benchmarks/orbitdb-keyvalue.js

@@ -0,0 +1,82 @@
+import { OrbitDB } from '../src/index.js'
+import rmrf from 'rimraf'
+import * as IPFS from 'ipfs'
+
+import { EventEmitter } from 'events'
+
+EventEmitter.defaultMaxListeners = 1000
+
+const ipfsConfig = {
+  preload: {
+    enabled: false
+  },
+  EXPERIMENTAL: {
+    pubsub: true
+  },
+  config: {
+    Addresses: {
+      API: '/ip4/127.0.0.1/tcp/0',
+      Swarm: ['/ip4/0.0.0.0/tcp/0'],
+      Gateway: '/ip4/0.0.0.0/tcp/0'
+    },
+    Bootstrap: [],
+    Discovery: {
+      MDNS: {
+        Enabled: false,
+        Interval: 0
+      },
+      webRTCStar: {
+        Enabled: false
+      }
+    }
+  }
+}
+
+;(async () => {
+  console.log('Starting benchmark...')
+
+  const entryCount = 1000
+
+  await rmrf('./ipfs')
+  await rmrf('./orbitdb')
+
+  const ipfs = await IPFS.create({ ...ipfsConfig, repo: './ipfs' })
+  const orbitdb = await OrbitDB({ ipfs })
+
+  console.log(`Set ${entryCount} keys/values`)
+
+  const db1 = await orbitdb.open('benchmark-keyvalue', { type: 'keyvalue' })
+  const startTime1 = new Date().getTime()
+  for (let i = 0; i < entryCount; i++) {
+    await db1.set(i.toString(), 'hello' + i)
+  }
+  const endTime1 = new Date().getTime()
+  const duration1 = endTime1 - startTime1
+  const operationsPerSecond1 = Math.floor(entryCount / (duration1 / 1000))
+  const millisecondsPerOp1 = duration1 / entryCount
+  console.log(`Setting ${entryCount} key/values took ${duration1} ms, ${operationsPerSecond1} ops/s, ${millisecondsPerOp1} ms/op`)
+
+  console.log(`Iterate ${entryCount} key/values`)
+  const startTime2 = new Date().getTime()
+  const all = []
+  for await (const { key, value } of db1.iterator()) {
+    all.unshift({ key, value })
+  }
+  const endTime2 = new Date().getTime()
+  const duration2 = endTime2 - startTime2
+  const operationsPerSecond2 = Math.floor(entryCount / (duration2 / 1000))
+  const millisecondsPerOp2 = duration2 / entryCount
+
+  console.log(`Iterating ${all.length} key/values took ${duration2} ms, ${operationsPerSecond2} ops/s, ${millisecondsPerOp2} ms/op`)
+
+  await db1.drop()
+  await db1.close()
+
+  await orbitdb.stop()
+  await ipfs.stop()
+
+  await rmrf('./ipfs')
+  await rmrf('./orbitdb')
+
+  process.exit(0)
+})()