Re: data modeling qu: use a Map datatype, or just simple rows... ?

2020-09-18 Thread onmstester onmstester
I used Cassandra Set (no experience with map ), and one thing for sure is that with Cassandra collections you are limited to a few thousands entry per row (less than 10K for better performance) Sent using https://www.zoho.com/mail/ On Fri, 18 Sep 2020 20:33:21 +0430 Attila Wind wrote

Re: Inter Data Center Latency calculation of a Multi DC cluster running in AWS

2020-09-18 Thread Jai Bheemsen Rao Dhanwada
Thank you On Fri, Sep 18, 2020 at 4:59 PM Erick Ramirez wrote: > For the metrics >> "org.apache.cassandra.metrics:name=[DC]-Latency,type=Messaging" which is >> the unit of the metrics? >> > > They're in milliseconds: > > timer.update(timeTaken, TimeUnit.MILLISECONDS); > crossNode

Re: Inter Data Center Latency calculation of a Multi DC cluster running in AWS

2020-09-18 Thread Erick Ramirez
> > For the metrics > "org.apache.cassandra.metrics:name=[DC]-Latency,type=Messaging" which is > the unit of the metrics? > They're in milliseconds: timer.update(timeTaken, TimeUnit.MILLISECONDS); crossNodeLatency.update(timeTaken, TimeUnit.MILLISECONDS); See https://github.com/a

Re: Inter Data Center Latency calculation of a Multi DC cluster running in AWS

2020-09-18 Thread Jai Bheemsen Rao Dhanwada
Hello, For the metrics "org.apache.cassandra.metrics:name=[DC]-Latency,type=Messaging" which is the unit of the metrics? -b -i -q 75thPercentile 999thPercentile DurationUnitMax Min StdDev -d

data modeling qu: use a Map datatype, or just simple rows... ?

2020-09-18 Thread Attila Wind
Hey guys, I'm curious about your experiences regarding a data modeling question we are facing with. At the moment we see 2 major different approaches in terms of how to build the tables But I'm googling around already for days with no luck to find any useful material explaining to me how a Map