Adding Checksum to Disk Queue Segment Files

[medcl]

Disk queue segment files lack a mechanism to verify data integrity, making them susceptible to issues like:

• Corrupted Data: Partial writes, unexpected shutdowns, or disk errors can result in unreadable or inconsistent data.
• Dirty Reads: Files being read while still being written may lead to incomplete or invalid messages being processed.
• Debugging Challenges: Without a verification mechanism, identifying the root cause of errors in disk queue operations is challenging.

Adding a checksum hash to segment files will address these problems by enabling validation of file contents during read and write operations, ensuring robustness and reliability of the disk queue.