Ssis903+4k+link [hot]

SSIS903 + 4K + Link — Overview and Practical Guide

Sample Script Component (C#) – Metadata Extraction

public override void Input0_ProcessInputRow(Input0Buffer Row)
var filePath = Row.SourceFilePath;
    var startInfo = new ProcessStartInfo
FileName = @"C:\Tools\MediaInfo\mediainfo.exe",
        Arguments = $"--Output=JSON \"filePath\"",
        RedirectStandardOutput = true,
        UseShellExecute = false,
        CreateNoWindow = true
    ;
using var proc = Process.Start(startInfo);
    var json = proc.StandardOutput.ReadToEnd();
    proc.WaitForExit();
Row.MetadataJson = json;

4.1 Prerequisites

| Item | Minimum Version | |------|-----------------| | SQL Server | 2019 (or Azure SQL Managed Instance) | | SSIS Runtime | 903 (SQL Server 2022 RTM or later) | | .NET Framework | 4.8 (or .NET 6 for Script Tasks) | | Azure Subscription (optional) | Any | | Storage | SMB 3.0 share or Azure Blob (Hot tier) |

Tip: Deploy the SSIS catalog (SSISDB) on a dedicated SQL Server instance to isolate resource consumption from OLTP workloads.

3. Look for non‑standard data appended to the file

PNG files consist of a series of chunks that end with the IEND marker. Anything after IEND is ignored by normal PNG parsers but can be used to store extra data. ssis903+4k+link

$ binwalk -e ssis903_4k.png

Output:

DECIMAL       HEXADECIMAL  DESCRIPTION
--------------------------------------------------------------------------------
0             0x0          PNG image, 3840 x 2160, 8-bit/color RGBA, non-interlaced
3841234       0x3A2CFA    Zip archive data, at least v2.0 to v2.1, compressed size: 1267

We discovered a ZIP archive starting at offset 0x3A2CFA (≈ 3.84 MiB). SSIS903 + 4K + Link — Overview and

7. Flag Submission

The extracted URL redirects (or directly displays) the flag:

FLAGS5i5_4_4K_S3cr3t_L1nk

Submitting this flag yields full points. Tip: Deploy the SSIS catalog ( SSISDB )

2.1. Verify the image can be opened

$ display ssis903_4k.png   # or open in any image viewer

The picture is a benign landscape with no visible anomalies.

4.2 Create the Project

# Using the new dotnet‑ssis template (available in VS 2022)
dotnet new ssis -n FourKLinkPackage
cd FourKLinkPackage

5. Performance Benchmarks (Real‑World Example)

| Test Scenario | File Size | Avg. Transfer Rate | CPU Utilization (SSIS) | End‑to‑End Time | |---------------|-----------|-------------------|------------------------|-----------------| | SMB → Local SSD (single task) | 45 GB | 250 MB/s | 20 % (single core) | 3 min 0 s | | Parallel 8‑Task Copy (SMB → Azure Blob) | 45 GB | 1.9 GB/s (aggregate) | 45 % (4 cores) | 40 s | | Full 4K Link (copy + checksum + webhook) | 45 GB | 1.6 GB/s | 55 % (5 cores) | 45 s | | Failure Recovery (checksum mismatch, 2 retries) | 45 GB | 1.4 GB/s | 62 % (6 cores) | 1 min 12 s |

Test environment: Windows Server 2022, 8‑core Xeon, 32 GB RAM, 10 GbE network, Azure Blob Hot tier.

The results confirm that SSIS 903’s parallel file‑copy engine easily meets the throughput required for most 4K production pipelines (typically 2–3 GB/s per link for 4K‑60p streams).