what happened to a pagination if some data are inserted before it get resumed ?

2019-10-31 Thread jagernicolas
Hi, what would happen If between the moment I save a paging state and the moment I resume it, some data have been added to the database ? for example, let say I do a query which return 100 results paged by 10 rows. I get my first page, i.e, my first 10 elements. Then, let say that before I ask

oversized partition detection ? monitoring the partitions growth ?

2019-10-31 Thread jagernicolas
Hi, how can I detect a partition that reaches the 100MB ? is it possible to log the size of every partition one time per day ? regards, Nicolas Jäger

Re: Sizing a cluster

2019-10-01 Thread jagernicolas
Hi Léo thax for the links, Is that the size of the uncompressed data or the data once it has been inserted and compressed by cassandra ?The size of 0.5MB is the size of the data we sent, before cassandra do compression if any. Looking at the cassandra compression : http://cassandra.apa

Sizing a cluster

2019-10-01 Thread jagernicolas
Hi, We want to use Cassandra to store camera detection. The size of a picture + data is about 0.5MB. We starting with 5 devices, but we targeting 50 device for the next year, and could go up to 1000. I summary everything , * Number of sources: 5 - 50 - 1000 (src) * Frequency o

stressing our cluster

2019-09-03 Thread jagernicolas
Hi, I' m testing Cassandra and got some questions: I'm currently using image blob to store images converted to base64. Those images are under 1MB. For know I have only one source of images and it work without problem. But problems come with the stress-test tool. First in my test I have