Re: CQL Collections appear slow

2016-09-01 Thread Tyler Hobbs
On Wed, Aug 31, 2016 at 11:56 PM, Ben Frank wrote: > Interestingly it's still dog slow while (presumably) doing the > deserialization in python, so although the trace reports good results it's > still taking ~3 seconds to load data into python wall clock time. > If you're not doing this already,

Re: CQL Collections appear slow

2016-08-31 Thread Ben Frank
Thanks Tyler! I wasn't aware of frozen collections - the tracing shows pretty similar timing characteristics between frozen collection and binary schemas. Interestingly it's still dog slow while (presumably) doing the deserialization in python, so although the trace reports good results it's st

Re: CQL Collections appear slow

2016-08-31 Thread Tyler Hobbs
The map version of the schema needs to deserialize, serialize, and then deserialize about 85 times more cells, if your average map has 85 elements. I would assume that's where most of the performance slowdown is coming from. If you can take the time to run that through a profiler, that would be u