Denis M. Gabaydulin sherman

## x86-assembly-notes.md

      
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                mikesmullin
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                Notes on x86-64 Assembly and Machine Code
              
          
    Mike's x86-64 Assembly (ASM) Notes

Assembling Binary Machine Code

Operating Modes:

These determine the assumed/default size of instruction operands,
and restricts which opcodes are available, and how they are used.
Modern operating systems, booted inside Real mode,

  
## sharded-balancing-nginx.txt

    # Balancing over 4 nodes by hashing URI (consistently with md5)
    # onto 16 shards.

    upstream x0 { server 192.168.0.2;  server 192.168.0.3 backup; }
    upstream x1 { server 192.168.0.2;  server 192.168.0.4 backup; }
    upstream x2 { server 192.168.0.2;  server 192.168.0.5 backup; }
    upstream x3 { server 192.168.0.2;  server 192.168.0.3 backup; }

    upstream x4 { server 192.168.0.3;  server 192.168.0.4 backup; }

	# Balancing over 4 nodes by hashing URI (consistently with md5)
	# onto 16 shards.

	upstream x0 { server 192.168.0.2; server 192.168.0.3 backup; }
	upstream x1 { server 192.168.0.2; server 192.168.0.4 backup; }
	upstream x2 { server 192.168.0.2; server 192.168.0.5 backup; }
	upstream x3 { server 192.168.0.2; server 192.168.0.3 backup; }

	upstream x4 { server 192.168.0.3; server 192.168.0.4 backup; }