Re: data types storage saving

2018-03-10 Thread Javier Pareja
You can use variable-length zig-zag coding to encode an interview if using a blob. It is used in able and protocol buffers. Some examples: valuehex 0 00 -1 01 1 02 -2 03 2 04 ... -64 7f 64 80 01 ... On Sat, 10 Mar 2018, 07:52 onmstester onmstester, wrote: > I've find out

Re: Adding disk to operating C*

2018-03-10 Thread James Shaw
I think it's case by case, depended on chasing read performance or write performance, or both. Ours are used for application, read request 10 times larger than writing, application wants read performance and doesn't care writing, we use 4 SSD each 380 GB for each node (total 1.5T a node), read

Re: data types storage saving

2018-03-10 Thread onmstester onmstester
Anyway, I cant get to a approximate method to calculate storage per row for Cassandra records. For example right now my table schema is as follow: c1 tinyint, c2 smallint, c3 bigint, c4 int, c5 int, c6 boolean primary key ((c1,c2,c3),c4,c5) According to cql data types document this should

Re: Adding disk to operating C*

2018-03-10 Thread Rahul Singh
My 1.5T bound is for high throughput for read and write with hundreds of nodes — specifically with needs for quick bootstrap / repairs when adding / replacing nodes. Lower the density the faster it is to add nodes. -- Rahul Singh rahul.si...@anant.us Anant Corporation On Mar 9, 2018, 11:30

Re: Cassandra DevCenter

2018-03-10 Thread Philippe de Rochambeau
Hi, thank you for replying. Unfortunately, the computer DevCenter is running on doesn’t have Internet access (for security reasons). As a result, I can’t use the pom.xml. Furthermore, I’ve tried running a Groovy program whose classpath included the DevCenter (2.x) lib directory, but to no avail

Cassandra DevCenter

2018-03-10 Thread Philippe de Rochambeau
Hello, has anyone tried running CQL queries from a Java program using the jars provided with DevCenter? Many thanks. Philippe - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail:

Re: Cassandra DevCenter

2018-03-10 Thread Goutham reddy
Get the JARS from Cassandra lib folder and put it in your build path. Or else use Pom.xml maven project to directly download from repository. Thanks and Regards, Goutham Reddy Aenugu. On Sat, Mar 10, 2018 at 9:30 AM Philippe de Rochambeau wrote: > Hello, > has anyone tried