UberProf performance challenges

time to read 1 min | 169 words

One of the things that the profiler is supposed to do is to handle large amount of data, so I was pretty bummed to hear that users are running into issues when they try to use the profiler in high load scenarios, such as load tests.

Luckily, one of the things that the profiler can do is output to a file, which let me simulate what is going on on the customer site very easily.

The first performance problem is that the profiler isn’t processing things fast enough:


The second is that there are some things that just totally breaks my expectations


There are solutions for those problems, and I guess that I know what I’ll be doing in the near future :-)