Hello kooljava2,
There aren't many books about Cassandra, but one of the most famous is the
"Cassandra: The definitive guide: Distributed Data at Web Scale", by Hewitt
The problem is that as Cassandra evolves very fast, these books get out of
date quickly.
To understand some concepts that exist in
Thank you Jeff Jirsa by your comments,
How can we do this: "fix this by not scheduling the major compaction until
we know all of the sstables in the window are available to be compacted"?
About the column-family schema, I had to customize the cassandra-stress
tool so that it could create a reaso
We are using datstax java driver 1.5.0
Thank you.
On Saturday, 12 May 2018, 10:37:04 GMT-7, Jeff Jirsa
wrote:
I haven't seen this before, but I have a guess.
What client/driver are you using?
Are you using a prepared statement that has every column listed for the update,
and leaving
Interesting!
I suspect I know what the increased disk usage in TWCS, and it's a solvable
problem, the problem is roughly something like this:
- Window 1 has sstables 1, 2, 3, 4, 5, 6
- We start compacting 1, 2, 3, 4 (using STCS-in-TWCS first window)
- The TWCS window rolls over
- We flush (sstable
Hello,
Thank you Lucas for sharing. I am still a beginner in Cassandra NoSQL world.
Are there any other good books related to Performance tuning and Architecture
overview?
Thank you.
On Monday, 14 May 2018, 07:57:38 GMT-7, Nitan Kainth
wrote:
Hi Lucas,
I am not able to download. can
Hi Lucas,
I am not able to download. can you share as attachment in email?
Regards,
Nitan K.
Cassandra and Oracle Architect/SME
Datastax Certified Cassandra expert
Oracle 10g Certified
On Mon, May 14, 2018 at 9:12 AM, Lucas Benevides <
lu...@maurobenevides.com.br> wrote:
> Dear community,
>
>
Dear community,
I want to tell you about my paper published in a conference in March. The
title is " NoSQL Database Performance Tuning for IoT Data - Cassandra Case
Study" and it is available (not for free) in
http://www.scitepress.org/DigitalLibrary/Link.aspx?doi=10.5220/0006782702770284
.
TWC
A couple additional things:
- Make sure that you ran repair on the system_auth keyspace on all
nodes after changing the RF
- If you are not often changing roles/permissions, you might look to
increase permissions_validity_in_ms and roles_validity_in_ms so they are not
being
