Load testing pal.stage with and without mod_cache

gistfile1.txt

siege -c 100 -t 90s -f scripts/3000.weighted.random

 Transactions:		       11010 hits
 Availability:		      100.00 %
 Elapsed time:		       89.97 secs
 Data transferred:	      120.51 MB
 Response time:		        0.79 secs
 Transaction rate:	      122.37 trans/sec
 Throughput:		        1.34 MB/sec
 Concurrency:		       97.20
 Successful transactions:       11010
 Failed transactions:	           0
 Longest transaction:	       34.70
 Shortest transaction:	        0.04

siege -c 100 -t 90s -H 'Cache-Control: no-cache' -f scripts/3000.weighted.random

 Transactions:		       10502 hits
 Availability:		       99.99 %
 Elapsed time:		       89.95 secs
 Data transferred:	      114.32 MB
 Response time:		        0.83 secs
 Transaction rate:	      116.75 trans/sec
 Throughput:		        1.27 MB/sec
 Concurrency:		       96.90
 Successful transactions:       10502
 Failed transactions:	           1
 Longest transaction:	       37.66
 Shortest transaction:	        0.05

siege -c 200 -t 90s -H 'Cache-Control: no-cache' -H 'BBC-Varnish-Bypass: true' -f scripts/3000
 
 Transactions:		      143360 hits
 Availability:		      100.00 %
 Elapsed time:		       89.86 secs
 Data transferred:	     1623.20 MB
 Response time:		        0.12 secs
 Transaction rate:	     1595.37 trans/sec
 Throughput:		       18.06 MB/sec
 Concurrency:		      199.11
 Successful transactions:      143361
 Failed transactions:	           0
 Longest transaction:	        1.43
 Shortest transaction:	        0.04

siege -c 400 -t 90s -H 'Cache-Control: no-cache' -H 'BBC-Varnish-Bypass: true' -f scripts/3000

 Transactions:		       82751 hits
 Availability:		      100.00 %
 Elapsed time:		       89.70 secs
 Data transferred:	      946.47 MB
 Response time:		        0.40 secs
 Transaction rate:	      922.53 trans/sec
 Throughput:		       10.55 MB/sec
 Concurrency:		      367.07
 Successful transactions:       82751
 Failed transactions:	           0
 Longest transaction:	       26.94
 Shortest transaction:	        0.04

# 900 requests run over 3 processes
siege -c 300 -t 90s -H 'Cache-Control: no-cache' -H 'BBC-Varnish-Bypass: true' -f scripts/3000 &
siege -c 300 -t 90s -H 'Cache-Control: no-cache' -H 'BBC-Varnish-Bypass: true' -f scripts/3000 &
siege -c 300 -t 90s -H 'Cache-Control: no-cache' -H 'BBC-Varnish-Bypass: true' -f scripts/3000 &

 Transactions:		       49466 hits
 Availability:		      100.00 %
 Elapsed time:		       89.46 secs
 Data transferred:	      564.26 MB
 Response time:		        0.54 secs
 Transaction rate:	      552.94 trans/sec
 Throughput:		        6.31 MB/sec
 Concurrency:		      296.76
 Successful transactions:       49466
 Failed transactions:	           1
 Longest transaction:	       16.49
 Shortest transaction:	        0.04
 
 Transactions:		       49989 hits
 Availability:		      100.00 %
 Elapsed time:		       89.51 secs
 Data transferred:	      571.03 MB
 Response time:		        0.53 secs
 Transaction rate:	      558.47 trans/sec
 Throughput:		        6.38 MB/sec
 Concurrency:		      296.62
 Successful transactions:       49989
 Failed transactions:	           1
 Longest transaction:	       15.93
 Shortest transaction:	        0.04

 Transactions:		       49827 hits
 Availability:		      100.00 %
 Elapsed time:		       89.49 secs
 Data transferred:	      568.86 MB
 Response time:		        0.53 secs
 Transaction rate:	      556.79 trans/sec
 Throughput:		        6.36 MB/sec
 Concurrency:		      296.34
 Successful transactions:       49827
 Failed transactions:	           1
 Longest transaction:	       15.87
 Shortest transaction:	        0.04