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persistencejs.js
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persistencejs.js
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const persistence = require('persistencejs/lib/persistence').persistence
, persistenceStore = require("persistencejs/lib/persistence.store.mysql")
var LIMIT = 10000
persistence.debug = false
persistenceStore.config(persistence, 'localhost', 3306, 'performance_analysis_sequelize', 'root', null)
var session = persistenceStore.getSession()
, Entry = persistence.define('EntryPersistence', {
number: "INT",
string: "TEXT"
})
var testInserts = function(async, testInsertsCallback, disableLogging) {
session.transaction(function(tx) {
persistence.reset(tx, function() {
persistence.schemaSync(tx, function() {
var done = 0
, start = +new Date
, duration = null
var createEntry = function(callback) {
var entry = new Entry({ number: Math.floor(Math.random() * 99999), string: 'asdasdad' })
persistence.add(entry)
if(async)
callback && callback()
else
persistence.flush(tx, callback)
}
var createEntryCallback = function() {
if((++done == LIMIT) && !async && !disableLogging) {
duration = (+new Date) - start
console.log('Adding ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ' + duration + 'ms')
}
if(async) {
if (done == LIMIT) {
persistence.flush(tx, function() {
duration = (+new Date) - start
!disableLogging && console.log('Adding ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ' + duration + 'ms')
testInsertsCallback && testInsertsCallback(duration)
})
}
} else {
if(done < LIMIT)
createEntry(createEntryCallback)
else
testInsertsCallback && testInsertsCallback(duration)
}
}
if(async) {
for(var i = 0; i < LIMIT; i++)
createEntry(createEntryCallback)
} else {
createEntry(createEntryCallback)
}
})
})
})
}
var testUpdates = function(async, testUpdatesCallback) {
session.transaction(function(tx) {
var localLimit = async ? LIMIT : 500
localLimit = (LIMIT < localLimit) ? LIMIT : localLimit
Entry.all(session).limit(localLimit).list(function(entries) {
var done = 0
, start = +new Date()
, duration = null
var updateEntry = function(index, callback) {
var entry = entries[index]
entry.number = Math.floor(Math.random() * 9999999)
if(async)
callback && callback()
else
persistence.flush(tx, callback)
}
var updateEntryCallback = function() {
if((++done == localLimit) && !async) {
duration = ((+new Date) - start) * (LIMIT / localLimit)
console.log('Updating ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ~' + duration + 'ms')
}
if(async) {
if(done == localLimit) {
persistence.flush(tx, function() {
duration = (+new Date) - start
console.log('Updating ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ' + duration + 'ms')
testUpdatesCallback && testUpdatesCallback(duration)
})
}
} else {
if(done < localLimit)
updateEntry(done, updateEntryCallback)
else
testUpdatesCallback && testUpdatesCallback(duration)
}
}
if(async) {
for(var i = 0; i < localLimit; i++)
updateEntry(i, updateEntryCallback)
} else {
updateEntry(0, updateEntryCallback)
}
})
})
}
var testRead = function(testReadCallback) {
session.transaction(function(tx) {
var start = +new Date
, duration = null
Entry.all(session).list(function(results) {
duration = (+new Date) - start
console.log('Reading ' + results.length + ' database entries took ' + duration + 'ms')
testReadCallback && testReadCallback(duration)
})
})
}
var testDelete = function(async, testDeleteCallback) {
testInserts(true, function() {
session.transaction(function(tx) {
Entry.all(session).list(function(entries) {
var done = 0
, start = +new Date()
, duration = null
var deleteEntry = function(index, callback) {
var entry = entries[index]
persistence.remove(entry)
if(async)
callback && callback()
else
persistence.flush(tx, callback)
}
var deleteEntryCallback = function() {
if((++done == LIMIT) && !async) {
duration = (+new Date) - start
console.log('Deleting ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ' + duration + 'ms')
}
if(async) {
if(done == LIMIT) {
persistence.flush(tx, function() {
duration = (+new Date) - start
console.log('Deleting ' + LIMIT + ' database entries ' + (async ? 'async' : 'serially') + ' took ' + duration + 'ms')
testDeleteCallback && testDeleteCallback(duration)
})
}
} else {
if(done < LIMIT)
deleteEntry(done, deleteEntryCallback)
else
testDeleteCallback && testDeleteCallback(duration)
}
}
if(async) {
for(var i = 0; i < LIMIT; i++)
deleteEntry(done, deleteEntryCallback)
} else {
deleteEntry(done, deleteEntryCallback)
}
})
})
}, true)
}
module.exports = function(times, limit, runCallback) {
var durations = []
, done = 0
LIMIT = limit
var runTestsOnce = function(callback) {
console.log('\nRunning persistencejs tests #' + (done + 1))
var results = {}
testInserts(false, function(duration) {
results.insertSerially = duration
testInserts(true, function(duration) {
results.insertAsync = duration
testUpdates(false, function(duration) {
results.updateSerially = duration
testUpdates(true, function(duration) {
results.updateAsync = duration
testRead(function(duration) {
results.read = duration
testDelete(false, function(duration) {
results.deleteSerially = duration
testDelete(true, function(duration) {
results.deleteAsync = duration
durations.push(results)
callback && callback()
})
})
})
})
})
})
})
}
var runTestsOnceCallback = function() {
if(++done == times)
runCallback && runCallback(durations)
else
runTestsOnce(runTestsOnceCallback)
}
runTestsOnce(runTestsOnceCallback)
}