Posts Tagged ‘install’

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AEM (Adobe CQ) Performance on different Hardware

March 29, 2013

The other day we ran into a bit of a problem because of storage speed in one of the environments we were setting up CQ5.5 in. It was a VMWare environment with 10GB of ram, 8 CPUs and lots of storage configured for it – however, the storage was configured over NFS. The performance of the storage was very poor until the team mounted the NFS storage on the host operating system and configured a vmdk file as storage for the VM. Now CQ is running fast and smooth.

CQ has a handy tool in the Felix Console to measure disk speed. If I run it on my own computer I get the following output (you can find it at http://localhost:4502/system/console/diskbenchmark , click start, wait for a couple of minutes and then hit stop):

Operation Type Operations Per Second for Block Sizes
256 B 512 B 1 KB 2 KB 4 KB 8 KB 16 KB
write 297 569 1105 2858 16175 15915 14990
read 290468 285605 276539 265199 245365 194254 125938
write 16654 16955 16485 16294 16280 15868 15232
read 289515 285575 274960 260759 246216 192033 126604
write 16687 16481 16507 16076 16243 15812 15494
read 288390 282803 273778 263346 241982 192439 123351
write 16609 16585 16484 16630 16418 15811 15149
read 287073 282856 272822 263683 242169 192894 126518
write 16477 16370 16294 16412 16225 16034 15048

Note: Java7, CQ5.5, Sony Vaio with Intel i7-3682CM @2.2GHz, Win8 wirth a hard disk performance index of 5.9

I ran the same test in AEM5.6, the numbers are about the same. The disk speed test does not test true repository speed but the actual speed of reading and writing files from java to the directory that is specified.

Well, I shared my numbers – please share yours (I’ll post more as well soon) – Would be great to get a nice long list of different servers, developer boxes, os’s, etc compiled here.

Some more numbers

MacBook Air 1.7GHz Intel Core i5, 60GB Solid State Disk
Operation Type Operations Per Second for Block Sizes
256 B 512 B 1 KB 2 KB 4 KB 8 KB 16 KB
write 5097 6752 10098 13113 14913 14868 14419
read 522298 498729 479957 444013 386557 283406 175218
write 15102 15159 14810 14671 15023 14763 14234
read 519715 496583 480427 443306 383299 281750 176323
write 13236 14569 14770 15120 14971 14816 14390
read 524098 498535 484440 442899 389182 284113 175112
write 15251 14893 14755 14784 15086 14784 14429
read 528208 502405 484314 442884 387000 284755 174811
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