H323 pass-through test

• Performance tests

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Server

• Intel® Xeon® Processor 5030 (4M Cache, 2.66 GHz, 667 MHz FSB)
• 4 gb ram
• Hardware RAID 10 128 MB cash SATA 4 x 250 GB 7200 RPM
• Asterisk 1.4.18.1
• MOR 0.8 pre17
• Protocol: H323
• Codec G711
• The NuFone Network's OpenH323 Channel Driver
• openh323_v1_18_0
• pwlib_v1_10_0

• Test schema: originator(playback) ---> Our test server ---> terminator(playback)

Call file used

Channel:Local/99555272804@mor
MaxRetries:1
RetryTime:60 
WaitTime:30 
Account:2823
Context:test
Extension:111
Priority:1

Conclusion

We reached 250 sim. calls.

Tests shown that 1 H323 pass-through call takes ~1% of CPU power of this server till calls reach 120 sim. calls. After that CPU %/call starts increasing.

Under 260 calls Asterisk starts to kill calls:

Screenshots

• top, 10 calls
• top, 20 calls
• top, 30 calls
• top, 40 calls
• top, 50 calls
• top, 60 calls
• top, 70 calls
• top, 80 calls
• top, 90 calls
• top, 100 calls
• asterisk, 100 calls
• top, 110 calls
• top, 120 calls
• asterisk, 120 calls
• top, 130 calls
• top, 140 calls
• top, 150 calls
• top, 160 calls
• top, 170 calls
• top, 180 calls
• top, 190 calls
• top, 200 calls
• asterisk, 200 calls
• top, 210 calls
• top, 220 calls
• top, 230 calls
• top, 240 calls
• top, 250 calls
• asterisk, 250 calls