Hi Brandon, > Can you try with a simple CF?
Here are the test results: /home/sun>python stress.py -n 100000 -t 100 -c 600 -r -o insert -i 10 ........ 83779,297,0.334478345002,290 86736,295,0.335617337551,300 89621,288,0.337104303915,310 92578,295,0.343658989251,320 95567,298,0.331744175047,330 98515,294,0.291284884979,340 100000,148,0.166682253301,350 /home/sun>python stress.py -n 100000 -t 100 -c 25 -r -o read -i 10 WARNING: multiprocessing not present, threading will be used. Benchmark may not be accurate! total,interval_op_rate,avg_latency,elapsed_time 19828,1982,0.0514599678015,10 40797,2096,0.0473390288764,20 59350,1855,0.0532040532783,30 76317,1696,0.0598703045355,40 100000,2368,0.0332285839526,50 After this I tried with 1 million keys: /home/sun>python stress.py -n 1000000 -t 100 -c 25 -r -o read -i 10 WARNING: multiprocessing not present, threading will be used. Benchmark may not be accurate! total,interval_op_rate,avg_latency,elapsed_time ....................... ....................... 87916,76,1.30730833113,1240 88665,74,1.33158908508,1250 89405,74,1.35333179654,1260 90086,68,1.45503252228,1270 90745,65,1.51978417774,1280 91476,73,1.38719448671,1290 92226,75,1.3288515962,1300 92976,75,1.33220300897,1310 93770,79,1.26187492288,1320 94557,78,1.26394684554,1330 thanks, -Aita