Jason Mitchell jasonmitchell

## postgres-multi-row-insert-results.md

      
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                jasonmitchell
                / postgres-multi-row-insert-results.md
            
            
              Created
              February 2, 2023 21:09
            
          
Batch Size
Simple Insert Execution Time (ms)
Multi-Row Insert Execution Time (ms)
Improvement


1
4
3
33%


10
15
4
275%


50
68
3
2167%


100
133
4
3225%


250
306
6
5000%


500
606
8
7475%


1000
1358
11
12,245%


2500
3527
28


## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">

## Commands.cs
public class CreateFolder
{
  public string Name { get; set; }
}

public class DeleteFolder
{
  public Guid Id { get; set; }
}

## Auth.ps1
function Get-BasicAuthCredentials {
    param (
        $user = "admin",
        $password = "changeit"
    )
    $basicAuthPair = "${user}:${password}"
    $encodedCreds = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($basicAuthPair))
    $basicAuthValue = "Basic $encodedCreds"

    return $basicAuthValue

## Commands.cs
public class RequestReservation { }
public class ConfirmReservation { }

## 2113-https.yaml
MemDb: true
Log: ../2113-https-logs
IntIp: 127.0.0.1
ExtIp: 127.0.0.1
IntTcpPort: 1112
ExtTcpPort: 1113
IntHttpPort: 2112
ExtHttpPort: 2113
IntHttpPrefixes: https://*:2112/
ExtHttpPrefixes: https://*:2113/

## Description
Single node
Any HTTPS request from external source.
Some extra logging added
Still exists on mono 5.0.0

Curl to https://127.0.0.1:2113/ping
Response received
"SslStream already authenticated" logged

Navigate to https://127.0.0.1:2113 in a browser

## 2113.yaml
MemDb: true
Log: .\2113-logs
IntIp: 127.0.0.1
ExtIp: 127.0.0.1
IntTcpPort: 1112
ExtTcpPort: 1113
IntHttpPort: 2112
ExtHttpPort: 2113
IntHttpPrefixes: http://*:2112/
ExtHttpPrefixes: http://*:2113/

## Aggregate.cs
using System;
using System.Collections.Generic;

namespace Aggregates
{
    public abstract class Aggregate : IAggregate
    {
        private readonly Dictionary<Type, Action<object>> handlers = new Dictionary<Type, Action<object>>();
        private readonly Queue<object> uncommittedEvents = new Queue<object>();
        private int version;

## ReadingEvents.cs
[Fact]
public async Task ReadsEventsFromStream()
{
    // Create a connection to the embedded event store.
    using (var connection = EmbeddedEventStoreConnection.Create(_node, _connectionSettingsBuilder))
    {
        // Write some events - omitted for clarity

        // When reading from a stream you can specify the start position and how many events to read.
        // The maximum number of events that can be read in one call is 4096 to large streams would require reading in pages.
Batch Size	Simple Insert Execution Time (ms)	Multi-Row Insert Execution Time (ms)	Improvement
1	4	3	33%
10	15	4	275%
50	68	3	2167%
100	133	4	3225%
250	306	6	5000%
500	606	8	7475%
1000	1358	11	12,245%
2500	3527	28
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>JS Bin</title>
	</head>
	<body>

	<script id="jsbin-javascript">
	public class CreateFolder
	{
	public string Name { get; set; }
	}

	public class DeleteFolder
	{
	public Guid Id { get; set; }
	}
	function Get-BasicAuthCredentials {
	param (
	$user = "admin",
	$password = "changeit"
	)
	$basicAuthPair = "${user}:${password}"
	$encodedCreds = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($basicAuthPair))
	$basicAuthValue = "Basic $encodedCreds"

	return $basicAuthValue
	public class RequestReservation { }
	public class ConfirmReservation { }
	MemDb: true
	Log: ../2113-https-logs
	IntIp: 127.0.0.1
	ExtIp: 127.0.0.1
	IntTcpPort: 1112
	ExtTcpPort: 1113
	IntHttpPort: 2112
	ExtHttpPort: 2113
	IntHttpPrefixes: https://*:2112/
	ExtHttpPrefixes: https://*:2113/
	Single node
	Any HTTPS request from external source.
	Some extra logging added
	Still exists on mono 5.0.0

	Curl to https://127.0.0.1:2113/ping
	Response received
	"SslStream already authenticated" logged

	Navigate to https://127.0.0.1:2113 in a browser
	MemDb: true
	Log: .\2113-logs
	IntIp: 127.0.0.1
	ExtIp: 127.0.0.1
	IntTcpPort: 1112
	ExtTcpPort: 1113
	IntHttpPort: 2112
	ExtHttpPort: 2113
	IntHttpPrefixes: http://*:2112/
	ExtHttpPrefixes: http://*:2113/
	using System;
	using System.Collections.Generic;

	namespace Aggregates
	{
	public abstract class Aggregate : IAggregate
	{
	private readonly Dictionary<Type, Action<object>> handlers = new Dictionary<Type, Action<object>>();
	private readonly Queue<object> uncommittedEvents = new Queue<object>();
	private int version;
	[Fact]
	public async Task ReadsEventsFromStream()
	{
	// Create a connection to the embedded event store.
	using (var connection = EmbeddedEventStoreConnection.Create(_node, _connectionSettingsBuilder))
	{
	// Write some events - omitted for clarity

	// When reading from a stream you can specify the start position and how many events to read.
	// The maximum number of events that can be read in one call is 4096 to large streams would require reading in pages.