Add a benchmark for Documents database

benchmarks/orbitdb-documents.js

@@ -0,0 +1,68 @@
+import { createOrbitDB } from '../src/index.js'
+// import { createOrbitDB, MemoryStorage } from '../src/index.js'
+import { rimraf as rmrf } from 'rimraf'
+import createHelia from '../test/utils/create-helia.js'
+
+import { EventEmitter } from 'events'
+EventEmitter.defaultMaxListeners = 10000
+
+;(async () => {
+  console.log('Starting benchmark...')
+
+  const entryCount = 1000
+
+  await rmrf('./ipfs')
+  await rmrf('./orbitdb')
+
+  const ipfs = await createHelia()
+  const orbitdb = await createOrbitDB({ ipfs })
+
+  console.log(`Insert ${entryCount} documents`)
+
+  // const entryStorage = await MemoryStorage()
+  // const headsStorage = await MemoryStorage()
+  // const indexStorage = await MemoryStorage()
+
+  // const db1 = await orbitdb.open('benchmark-documents', { type: 'documents', referencesCount: 16, entryStorage, headsStorage, indexStorage })
+
+  const db1 = await orbitdb.open('benchmark-documents', { type: 'documents' })
+
+  const startTime1 = new Date().getTime()
+
+  for (let i = 0; i < entryCount; i++) {
+    const doc = { _id: i.toString(), message: 'hello ' + i }
+    await db1.put(doc)
+  }
+
+  const endTime1 = new Date().getTime()
+  const duration1 = endTime1 - startTime1
+  const operationsPerSecond1 = Math.floor(entryCount / (duration1 / 1000))
+  const millisecondsPerOp1 = duration1 / entryCount
+  console.log(`Inserting ${entryCount} documents took ${duration1} ms, ${operationsPerSecond1} ops/s, ${millisecondsPerOp1} ms/op`)
+
+  console.log(`Query ${entryCount} documents`)
+  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(`Querying ${all.length} documents 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)
+})()