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benefits oh HBase over Cassandra - Cassandra - [mail # user]
...Messenger can allow for some losses in degenerate infra cases, given agiven infra footprint. Also some ability to handle scale up faster asdemand increases, peak loads, etc. It therefore bec...
   Author: daemeon reiydelle , 2018-08-25, 14:50
JBOD disk failure - Cassandra - [mail # user]
...you have to explain what you mean by "JBOD". All in one large vdisk?Separate drives?At the end of the day, if a device fails in a way that the data housed onthat device (or array) is no long...
   Author: daemeon reiydelle , 2018-08-15, 02:00
[expand - 1 more] - Recommendation: running Cassandra in containers - Cassandra - [mail # dev]
...Yes, big data infra works fine in containers. Does not slow and in somecases can increase performance depending on the virtualization. A bigdifferentiator comes when one is using persisted s...
   Author: daemeon reiydelle , 2018-06-28, 16:41
Size of a single Data Row? - Cassandra - [mail # user]
...I'd like to split your question into two parts.Part one is around recovery. If you lose a copy of the underlying databecause a note fails and let's assume you have three copies, how long can...
   Author: daemeon reiydelle , 2018-06-10, 15:44
Mongo DB vs Cassandra - Cassandra - [mail # user]
...If you are starting with a modest amount of data (e.g. under .25 PB) and donot have extremely high availability requirements, then it is easier tostart with MongoDB, avoiding HA clusters. I ...
   Author: daemeon reiydelle , 2018-05-31, 16:06
Does Cassandra supports ACID txn - Cassandra - [mail # user]
...If ACID is needed, then C* is the wrong architecture. Your architectureneeds to match to your business processes as Ben pointed out: "Ask if it’sreally needed"There is a concept of a velocit...
   Author: daemeon reiydelle , 2018-04-26, 03:43
答复: A node down every day in a 6 nodes cluster - Cassandra - [mail # user]
...Look for errors on your network interface. I think you have periodic errorsin your network connectivity"Who do you think made the first stone spear? The Asperger guy.If you get rid of the au...
   Author: daemeon reiydelle , 2018-03-27, 03:42
NVIDIA TESLA: The World's Most Advance Data Center GPU's for accelerating demanding HPC workloads - Cassandra - [mail # dev]
...Not so sure they are C* relevant, I build (100's of GPU enabled node) HPC'sthat use them for ML, AI, Graph analytics, etc. with the sources in C* ormore typically Hadoop/EMR data."Who do you...
   Author: daemeon reiydelle , 2018-03-15, 17:09
Cassandra on high performance machine: virtualization vs Docker - Cassandra - [mail # user]
...Docker will provide less per node overhead.And yes, virtualizing smaller nodes out of a bigger physical makes sense.Of course you lose the per node failure protection, but I guess this is no...
   Author: daemeon reiydelle , 2018-02-28, 04:43
What kind of Automation you have for Cassandra related operations on AWS ? - Cassandra - [mail # user]
...Terraform plus ansible. Put ok but messy. 5-30,000 nodes and infraDaemeon (Dæmœn) ReiydelleUSA 1.415.501.0198On Thu, Feb 8, 2018, 15:57 Ben Wood  wrote:> Shameless plug of our (DC/OS...
   Author: daemeon reiydelle , 2018-02-09, 04:45